Shipment details
Dry ice shipment /not restricted
Description
This Standard Reference Material (SRM) is intended primarily for validation of methods for determining fatty acids in human serum and similar materials. A unit of SRM 2378 consists of three vials, each containing approximately 1.0 mL of frozen serum with different concentrations of fatty acids (Serum 1, Serum 2, and Serum 3). /// Sample value(s) - please ask for current certificate.
Contents
Analyte
CAS Number
Concentration
Unit
Additional information
Method
Tetradecanoic acid (Myristic acid) (C14:0)
[544-63-8]
44.6 ± 1.5
µg/g
Certified value, Serum 1
Hexadecanoic acid (Palmitic acid) (C16:0)
[57-10-3]
833 ± 87
µg/g
Certified value, Serum 1
(Z)-9-Hexadecenoic acid (Palmitoleic acid) (C16:1 n-7)
[373-49-9]
53.4 ± 3.8
µg/g
Certified value, Serum 1
Octadecanoic acid (Stearic acid) (C18:0)
[57-11-4]
221 ± 25
µg/g
Certified value, Serum 1
(Z)-9-Octadecenoic acid (Oleic acid) (C18:1 n-9)
[112-80-1]
604 ± 66
µg/g
Certified value, Serum 1
(Z,Z)-9,12-Octadecadienoic acid (Linoleic acid) (C18:2 n-6)
[60-33-3]
1030 ± 180
µg/g
Certified value, Serum 1
(Z,Z,Z)-9,12,15-Octadecatrienoic acid (alpha-Linolenic acid) (C18:3 n-3)
[463-40-1]
32.5 ± 4.1
µg/g
Certified value, Serum 1
(Z,Z,Z)-6,9,12-Octadecatrienoic acid (gamma-Linolenic acid) (C18:3 n-6)
[506-26-3]
12.3 ± 1.6
µg/g
Certified value, Serum 1
(Z,Z,Z,Z)-5,8,11,14-Eicosatetraenoic acid (Arachidonic acid) (C20:4 n-6)
[506-32-1]
196 ± 20
µg/g
Certified value, Serum 1
omega-3 (Z,Z,Z,Z,Z)-5,8,11,14,17-Eicosapentaenoic acid (EPA) (C20:5 n-3)
[10417-94-4]
84 ± 11
µg/g
Certified value, Serum 1
(Z,Z,Z,Z,Z,)-7,10,13,16,19-Docosapentaenoic acid (DPA) (C22:5 n-3)
[24880-45-3]
22.4 ± 1.2
µg/g
Certified value, Serum 1
omega-3 (Z,Z,Z,Z,Z,Z)-4,7,10,13,16,19-Docosahexaenoic acid (DHA) (C22:6 n-3)
[6217-54-5]
104 ± 5
µg/g
Certified value, Serum 1
Tetradecanoic acid (Myristic acid) (C14:0)
[544-63-8]
200 ± 7
µmol/L
Certified value, Serum 1
Hexadecanoic acid (Palmitic acid) (C16:0)
[57-10-3]
3320 ± 350
µmol/L
Certified value, Serum 1
(Z)-9-Hexadecenoic acid (Palmitoleic acid) (C16:1 n-7)
[373-49-9]
214 ± 15
µmol/L
Certified value, Serum 1
Octadecanoic acid (Stearic acid) (C18:0)
[57-11-4]
795 ± 90
µmol/L
Certified value, Serum 1
(Z)-9-Octadecenoic acid (Oleic acid) (C18:1 n-9)
[112-80-1]
2190 ± 240
µmol/L
Certified value, Serum 1
(Z,Z)-9,12-Octadecadienoic acid (Linoleic acid) (C18:2 n-6)
[60-33-3]
3740 ± 640
µmol/L
Certified value, Serum 1
(Z,Z,Z)-9,12,15-Octadecatrienoic acid (alpha-Linolenic acid) (C18:3 n-3)
[463-40-1]
119 ± 15
µmol/L
Certified value, Serum 1
(Z,Z,Z)-6,9,12-Octadecatrienoic acid (gamma-Linolenic acid) (C18:3 n-6)
[506-26-3]
45,1 ± 6,0
µmol/L
Certified value, Serum 1
(Z,Z,Z,Z)-5,8,11,14-Eicosatetraenoic acid (Arachidonic acid) (C20:4 n-6)
[506-32-1]
659 ± 69
µmol/L
Certified value, Serum 1
omega-3 (Z,Z,Z,Z,Z)-5,8,11,14,17-Eicosapentaenoic acid (EPA) (C20:5 n-3)
[10417-94-4]
284 ± 37
µmol/L
Certified value, Serum 1
(Z,Z,Z,Z,Z,)-7,10,13,16,19-Docosapentaenoic acid (DPA) (C22:5 n-3)
[24880-45-3]
69,4 ± 3,6
µmol/L
Certified value, Serum 1
omega-3 (Z,Z,Z,Z,Z,Z)-4,7,10,13,16,19-Docosahexaenoic acid (DHA) (C22:6 n-3)
[6217-54-5]
323 ± 16
µmol/L
Certified value, Serum 1
Tetradecanoic acid (Myristic acid) (C14:0)
[544-63-8]
33,8 ± 1,2
µg/g
Certified value, Serum 2
Hexadecanoic acid (Palmitic acid) (C16:0)
[57-10-3]
715 ± 111
µg/g
Certified value, Serum 2
(Z)-9-Hexadecenoic acid (Palmitoleic acid) (C16:1 n-7)
[373-49-9]
69,1 ± 6,9
µg/g
Certified value, Serum 2
Octadecanoic acid (Stearic acid) (C18:0)
[57-11-4]
231 ± 14
µg/g
Certified value, Serum 2
(Z)-9-Octadecenoic acid (Oleic acid) (C18:1 n-9)
[112-80-1]
738 ± 52
µg/g
Certified value, Serum 2
(Z,Z)-9,12-Octadecadienoic acid (Linoleic acid) (C18:2 n-6)
[60-33-3]
1220 ± 10
µg/g
Certified value, Serum 2
(Z,Z,Z)-9,12,15-Octadecatrienoic acid (alpha-Linolenic acid) (C18:3 n-3)
[463-40-1]
31,5 ± 1,3
µg/g
Certified value, Serum 2
(Z,Z,Z)-6,9,12-Octadecatrienoic acid (gamma-Linolenic acid) (C18:3 n-6)
[506-26-3]
21,0 ± 0,4
µg/g
Certified value, Serum 2
(Z,Z,Z,Z)-5,8,11,14-Eicosatetraenoic acid (Arachidonic acid) (C20:4 n-6)
[506-32-1]
235 ± 26
µg/g
Certified value, Serum 2
omega-3 (Z,Z,Z,Z,Z)-5,8,11,14,17-Eicosapentaenoic acid (EPA) (C20:5 n-3)
[10417-94-4]
20,7 ± 0,8
µg/g
Certified value, Serum 2
(Z,Z,Z,Z,Z,)-7,10,13,16,19-Docosapentaenoic acid (DPA) (C22:5 n-3)
[24880-45-3]
17,0 ± 0,8
µg/g
Certified value, Serum 2
omega-3 (Z,Z,Z,Z,Z,Z)-4,7,10,13,16,19-Docosahexaenoic acid (DHA) (C22:6 n-3)
[6217-54-5]
55,4 ± 2,3
µg/g
Certified value, Serum 2
Tetradecanoic acid (Myristic acid) (C14:0)
[544-63-8]
151 ± 5
µmol/L
Certified value, Serum 2
Hexadecanoic acid (Palmitic acid) (C16:0)
[57-10-3]
2850 ± 440
µmol/L
Certified value, Serum 2
(Z)-9-Hexadecenoic acid (Palmitoleic acid) (C16:1 n-7)
[373-49-9]
278 ± 28
µmol/L
Certified value, Serum 2
Octadecanoic acid (Stearic acid) (C18:0)
[57-11-4]
830 ± 50
µmol/L
Certified value, Serum 2
(Z)-9-Octadecenoic acid (Oleic acid) (C18:1 n-9)
[112-80-1]
2670 ± 189
µmol/L
Certified value, Serum 2
(Z,Z)-9,12-Octadecadienoic acid (Linoleic acid) (C18:2 n-6)
[60-33-3]
4460 ± 45
µmol/L
Certified value, Serum 2
(Z,Z,Z)-9,12,15-Octadecatrienoic acid (alpha-Linolenic acid) (C18:3 n-3)
[463-40-1]
116 ± 5
µmol/L
Certified value, Serum 2
(Z,Z,Z)-6,9,12-Octadecatrienoic acid (gamma-Linolenic acid) (C18:3 n-6)
[506-26-3]
77,1 ± 1,4
µmol/L
Certified value, Serum 2
(Z,Z,Z,Z)-5,8,11,14-Eicosatetraenoic acid (Arachidonic acid) (C20:4 n-6)
[506-32-1]
790 ± 86
µmol/L
Certified value, Serum 2
omega-3 (Z,Z,Z,Z,Z)-5,8,11,14,17-Eicosapentaenoic acid (EPA) (C20:5 n-3)
[10417-94-4]
70,1 ± 2,6
µmol/L
Certified value, Serum 2
(Z,Z,Z,Z,Z,)-7,10,13,16,19-Docosapentaenoic acid (DPA) (C22:5 n-3)
[24880-45-3]
52,6 ± 2,4
µmol/L
Certified value, Serum 2
omega-3 (Z,Z,Z,Z,Z,Z)-4,7,10,13,16,19-Docosahexaenoic acid (DHA) (C22:6 n-3)
[6217-54-5]
173 ± 7
µmol/L
Certified value, Serum 2
Tetradecanoic acid (Myristic acid) (C14:0)
[544-63-8]
34,6 ± 0,8
µg/g
Certified value, Serum 3
Hexadecanoic acid (Palmitic acid) (C16:0)
[57-10-3]
642 ± 114
µg/g
Certified value, Serum 3
(Z)-9-Hexadecenoic acid (Palmitoleic acid) (C16:1 n-7)
[373-49-9]
45,7 ± 3,2
µg/g
Certified value, Serum 3
Octadecanoic acid (Stearic acid) (C18:0)
[57-11-4]
194 ± 21
µg/g
Certified value, Serum 3
(Z)-9-Octadecenoic acid (Oleic acid) (C18:1 n-9)
[112-80-1]
569 ± 66
µg/g
Certified value, Serum 3
(Z,Z)-9,12-Octadecadienoic acid (Linoleic acid) (C18:2 n-6)
[60-33-3]
913 ± 6
µg/g
Certified value, Serum 3
(Z,Z,Z)-9,12,15-Octadecatrienoic acid (alpha-Linolenic acid) (C18:3 n-3)
[463-40-1]
17,0 ± 0,1
µg/g
Certified value, Serum 3
(Z,Z,Z)-6,9,12-Octadecatrienoic acid (gamma-Linolenic acid) (C18:3 n-6)
[506-26-3]
14,6 ± 1,0
µg/g
Certified value, Serum 3
(Z,Z,Z,Z)-5,8,11,14-Eicosatetraenoic acid (Arachidonic acid) (C20:4 n-6)
[506-32-1]
228 ± 14
µg/g
Certified value, Serum 3
omega-3 (Z,Z,Z,Z,Z)-5,8,11,14,17-Eicosapentaenoic acid (EPA) (C20:5 n-3)
[10417-94-4]
18,9 ± 2,2
µg/g
Certified value, Serum 3
(Z,Z,Z,Z,Z,)-7,10,13,16,19-Docosapentaenoic acid (DPA) (C22:5 n-3)
[24880-45-3]
11,4 ± 0,6
µg/g
Certified value, Serum 3
omega-3 (Z,Z,Z,Z,Z,Z)-4,7,10,13,16,19-Docosahexaenoic acid (DHA) (C22:6 n-3)
[6217-54-5]
54,9 ± 2,4
µg/g
Certified value, Serum 3
Tetradecanoic acid (Myristic acid) (C14:0)
[544-63-8]
155 ± 4
µmol/L
Certified value, Serum 3
Hexadecanoic acid (Palmitic acid) (C16:0)
[57-10-3]
2560 ± 460
µmol/L
Certified value, Serum 3
(Z)-9-Hexadecenoic acid (Palmitoleic acid) (C16:1 n-7)
[373-49-9]
184 ± 13
µmol/L
Certified value, Serum 3
Octadecanoic acid (Stearic acid) (C18:0)
[57-11-4]
696 ± 75
µmol/L
Certified value, Serum 3
(Z)-9-Octadecenoic acid (Oleic acid) (C18:1 n-9)
[112-80-1]
2060 ± 240
µmol/L
Certified value, Serum 3
(Z,Z)-9,12-Octadecadienoic acid (Linoleic acid) (C18:2 n-6)
[60-33-3]
3330 ± 20
µmol/L
Certified value, Serum 3
(Z,Z,Z)-9,12,15-Octadecatrienoic acid (alpha-Linolenic acid) (C18:3 n-3)
[463-40-1]
62,4 ± 0,5
µmol/L
Certified value, Serum 3
(Z,Z,Z)-6,9,12-Octadecatrienoic acid (gamma-Linolenic acid) (C18:3 n-6)
[506-26-3]
53,6 ± 3,6
µmol/L
Certified value, Serum 3
(Z,Z,Z,Z)-5,8,11,14-Eicosatetraenoic acid (Arachidonic acid) (C20:4 n-6)
[506-32-1]
765 ± 46
µmol/L
Certified value, Serum 3
omega-3 (Z,Z,Z,Z,Z)-5,8,11,14,17-Eicosapentaenoic acid (EPA) (C20:5 n-3)
[10417-94-4]
63,8 ± 7,6
µmol/L
Certified value, Serum 3
(Z,Z,Z,Z,Z,)-7,10,13,16,19-Docosapentaenoic acid (DPA) (C22:5 n-3)
[24880-45-3]
35,1 ± 1,9
µmol/L
Certified value, Serum 3
omega-3 (Z,Z,Z,Z,Z,Z)-4,7,10,13,16,19-Docosahexaenoic acid (DHA) (C22:6 n-3)
[6217-54-5]
171 ± 8
µmol/L
Certified value, Serum 3
Decanoic acid (Capric acid) (C10:0)
[334-48-5]
3,56 ± 0,04
µg/g
Reference value, Serum 1
(Z)-9-Tetradecenoic acid (Myristoleic acid) (C14:1)
[544-64-9]
3,4 ± 1,5
µg/g
Reference value, Serum 1
Pentadecanoic acid (C15:0)
[1002-84-2]
5,14 ± 0,16
µg/g
Reference value, Serum 1
Heptadecanoic acid (Margaric acid) (C17:0)
[506-12-7]
7,11 ± 0,47
µg/g
Reference value, Serum 1
(Z)-11-Octadecenoic acid (Vaccenic acid) (C18:1 n-7)
[506-17-2]
41,3 ± 7,4
µg/g
Reference value, Serum 1
(Z,Z,Z,Z)-6,9,12,15-Octadecatetraenoic acid (Stearidonic acid) (C18:4 n-3)
[20290-75-9]
2,20 ± 0,31
µg/g
Reference value, Serum 1
Eicosanoic acid (Arachidic acid) (C20:0)
[506-30-9]
7,6 ± 1,1
µg/g
Reference value, Serum 1
(Z)-11-Eicosenoic acid (Gondoic acid) (C20:1 n-9)
[5561-99-9]
6,0 ± 1,0
µg/g
Reference value, Serum 1
(Z,Z,Z)-5,8,11-Eicosatrienoic acid (C20:3 n-9)
1,40 ± 0,09
µg/g
Reference value, Serum 1
Docosanoic acid (Behenic acid) (C22:0)
[112-85-6]
18,8 ± 4,3
µg/g
Reference value, Serum 1
(Z)-13-Docosenoic acid (Erucic acid) (C22:1 n-9)
[112-86-7]
1,7 ± 1,0
µg/g
Reference value, Serum 1
(Z,Z)-13,16-Docosadienoic acid (C22:2 n-6)
0,31 ± 0,02
µg/g
Reference value, Serum 1
(Z,Z,Z,Z,Z)-4,7,10,13,16-Docosapentaenoic acid (C22:5 n-6)
2,71 ± 0,21
µg/g
Reference value, Serum 1
[2433-96-7]
8,19 ± 0,19
µg/g
Reference value, Serum 1
Tetracosanoic acid (Lignoceric acid) (C24:0)
[557-59-5]
19 ± 5
µg/g
Reference value, Serum 1
(Z)-15-Tetracosenoic acid (Nervonic Acid) (C24:1 n-9)
[506-37-6]
32 ± 9
µg/g
Reference value, Serum 1
Hexacosanoic acid (Cerotic acid) (C26:0)
[506-46-7]
0,35 ± 0,05
µg/g
Reference value, Serum 1
(7R,11R)-3,7,11,15-Tetramethyl-hexadecanoic acid (Phytanic acid)
[14721-66-5]
0,55 ± 0,02
µg/g
Reference value, Serum 1
Decanoic acid (Capric acid) (C10:0)
[334-48-5]
21,1 ± 0,2
µmol/L
Reference value, Serum 1
(Z)-9-Tetradecenoic acid (Myristoleic acid) (C14:1)
[544-64-9]
16 ± 7
µmol/L
Reference value, Serum 1
Pentadecanoic acid (C15:0)
[1002-84-2]
21,7 ± 0,7
µmol/L
Reference value, Serum 1
Heptadecanoic acid (Margaric acid) (C17:0)
[506-12-7]
26,9 ± 1,8
µmol/L
Reference value, Serum 1
(Z)-11-Octadecenoic acid (Vaccenic acid) (C18:1 n-7)
[506-17-2]
149 ± 27
µmol/L
Reference value, Serum 1
(Z,Z,Z,Z)-6,9,12,15-Octadecatetraenoic acid (Stearidonic acid) (C18:4 n-3)
[20290-75-9]
8,1 ± 1,1
µmol/L
Reference value, Serum 1
Eicosanoic acid (Arachidic acid) (C20:0)
[506-30-9]
25,0 ± 3,6
µmol/L
Reference value, Serum 1
(Z)-11-Eicosenoic acid (Gondoic acid) (C20:1 n-9)
[5561-99-9]
19,7 ± 3,3
µmol/L
Reference value, Serum 1
(Z,Z,Z)-5,8,11-Eicosatrienoic acid (C20:3 n-9)
4,67 ± 0,29
µmol/L
Reference value, Serum 1
Docosanoic acid (Behenic acid) (C22:0)
[112-85-6]
57 ± 13
µmol/L
Reference value, Serum 1
(Z)-13-Docosenoic acid (Erucic acid) (C22:1 n-9)
[112-86-7]
5 ± 3
µmol/L
Reference value, Serum 1
(Z,Z)-13,16-Docosadienoic acid (C22:2 n-6)
0,93 ± 0,06
µmol/L
Reference value, Serum 1
(Z,Z,Z,Z,Z)-4,7,10,13,16-Docosapentaenoic acid (C22:5 n-6)
8,37 ± 0,64
µmol/L
Reference value, Serum 1
[2433-96-7]
23,6 ± 0,5
µmol/L
Reference value, Serum 1
Tetracosanoic acid (Lignoceric acid) (C24:0)
[557-59-5]
54 ± 13
µmol/L
Reference value, Serum 1
(Z)-15-Tetracosenoic acid (Nervonic Acid) (C24:1 n-9)
[506-37-6]
89 ± 26
µmol/L
Reference value, Serum 1
Hexacosanoic acid (Cerotic acid) (C26:0)
[506-46-7]
0,89 ± 0,12
µmol/L
Reference value, Serum 1
(7R,11R)-3,7,11,15-Tetramethyl-hexadecanoic acid (Phytanic acid)
[14721-66-5]
1,80 ± 0,06
µmol/L
Reference value, Serum 1
Decanoic acid (Capric acid) (C10:0)
[334-48-5]
0,3 ± 0,1
µg/g
Reference value, Serum 2
(Z)-9-Tetradecenoic acid (Myristoleic acid) (C14:1)
[544-64-9]
2,8 ± 1,5
µg/g
Reference value, Serum 2
Pentadecanoic acid (C15:0)
[1002-84-2]
6,76 ± 0,16
µg/g
Reference value, Serum 2
Heptadecanoic acid (Margaric acid) (C17:0)
[506-12-7]
8,84 ± 0,21
µg/g
Reference value, Serum 2
(Z)-11-Octadecenoic acid (Vaccenic acid) (C18:1 n-7)
[506-17-2]
35,6 ± 6,0
µg/g
Reference value, Serum 2
(Z,Z,Z,Z)-6,9,12,15-Octadecatetraenoic acid (Stearidonic acid) (C18:4 n-3)
[20290-75-9]
1,11 ± 0,15
µg/g
Reference value, Serum 2
Eicosanoic acid (Arachidic acid) (C20:0)
[506-30-9]
8,7 ± 1,5
µg/g
Reference value, Serum 2
(Z)-11-Eicosenoic acid (Gondoic acid) (C20:1 n-9)
[5561-99-9]
5,7 ± 1,0
µg/g
Reference value, Serum 2
(Z,Z,Z)-5,8,11-Eicosatrienoic acid (C20:3 n-9)
2,13 ± 0,07
µg/g
Reference value, Serum 2
Docosanoic acid (Behenic acid) (C22:0)
[112-85-6]
29 ± 9
µg/g
Reference value, Serum 2
(Z)-13-Docosenoic acid (Erucic acid) (C22:1 n-9)
[112-86-7]
1,7 ± 0,9
µg/g
Reference value, Serum 2
(Z,Z)-13,16-Docosadienoic acid (C22:2 n-6)
0,36 ± 0,03
µg/g
Reference value, Serum 2
(Z,Z,Z,Z,Z)-4,7,10,13,16-Docosapentaenoic acid (C22:5 n-6)
5,20 ± 0,41
µg/g
Reference value, Serum 2
[2433-96-7]
13,1 ± 0,5
µg/g
Reference value, Serum 2
Tetracosanoic acid (Lignoceric acid) (C24:0)
[557-59-5]
25 ± 9
µg/g
Reference value, Serum 2
(Z)-15-Tetracosenoic acid (Nervonic Acid) (C24:1 n-9)
[506-37-6]
30 ± 17
µg/g
Reference value, Serum 2
Hexacosanoic acid (Cerotic acid) (C26:0)
[506-46-7]
0,25 ± 0,04
µg/g
Reference value, Serum 2
(7R,11R)-3,7,11,15-Tetramethyl-hexadecanoic acid (Phytanic acid)
[14721-66-5]
0,33 ± 0,02
µg/g
Reference value, Serum 2
Decanoic acid (Capric acid) (C10:0)
[334-48-5]
1,9 ± 0,8
µmol/L
Reference value, Serum 2
(Z)-9-Tetradecenoic acid (Myristoleic acid) (C14:1)
[544-64-9]
13 ± 7
µmol/L
Reference value, Serum 2
Pentadecanoic acid (C15:0)
[1002-84-2]
28,5 ± 0,7
µmol/L
Reference value, Serum 2
Heptadecanoic acid (Margaric acid) (C17:0)
[506-12-7]
33,4 ± 0,8
µmol/L
Reference value, Serum 2
(Z)-11-Octadecenoic acid (Vaccenic acid) (C18:1 n-7)
[506-17-2]
129 ± 22
µmol/L
Reference value, Serum 2
(Z,Z,Z,Z)-6,9,12,15-Octadecatetraenoic acid (Stearidonic acid) (C18:4 n-3)
[20290-75-9]
4,11 ± 0,54
µmol/L
Reference value, Serum 2
Eicosanoic acid (Arachidic acid) (C20:0)
[506-30-9]
28,4 ± 4,8
µmol/L
Reference value, Serum 2
(Z)-11-Eicosenoic acid (Gondoic acid) (C20:1 n-9)
[5561-99-9]
18,9 ± 3,4
µmol/L
Reference value, Serum 2
(Z,Z,Z)-5,8,11-Eicosatrienoic acid (C20:3 n-9)
7,10 ± 0,23
µmol/L
Reference value, Serum 2
Docosanoic acid (Behenic acid) (C22:0)
[112-85-6]
86 ± 27
µmol/L
Reference value, Serum 2
(Z)-13-Docosenoic acid (Erucic acid) (C22:1 n-9)
[112-86-7]
5 ± 3
µmol/L
Reference value, Serum 2
(Z,Z)-13,16-Docosadienoic acid (C22:2 n-6)
1,09 ± 0,09
µmol/L
Reference value, Serum 2
(Z,Z,Z,Z,Z)-4,7,10,13,16-Docosapentaenoic acid (C22:5 n-6)
16,1 ± 1,3
µmol/L
Reference value, Serum 2
[2433-96-7]
37,9 ± 1,5
µmol/L
Reference value, Serum 2
Tetracosanoic acid (Lignoceric acid) (C24:0)
[557-59-5]
70 ± 25
µmol/L
Reference value, Serum 2
(Z)-15-Tetracosenoic acid (Nervonic Acid) (C24:1 n-9)
[506-37-6]
83 ± 49
µmol/L
Reference value, Serum 2
Hexacosanoic acid (Cerotic acid) (C26:0)
[506-46-7]
0,63 ± 0,11
µmol/L
Reference value, Serum 2
(7R,11R)-3,7,11,15-Tetramethyl-hexadecanoic acid (Phytanic acid)
[14721-66-5]
1,07 ± 0,06
µmol/L
Reference value, Serum 2
Decanoic acid (Capric acid) (C10:0)
[334-48-5]
0,89 ± 0,15
µg/g
Reference value, Serum 3
(Z)-9-Tetradecenoic acid (Myristoleic acid) (C14:1)
[544-64-9]
3,2 ± 1,7
µg/g
Reference value, Serum 3
Pentadecanoic acid (C15:0)
[1002-84-2]
4,92 ± 0,12
µg/g
Reference value, Serum 3
Heptadecanoic acid (Margaric acid) (C17:0)
[506-12-7]
7,02 ± 0,37
µg/g
Reference value, Serum 3
(Z)-11-Octadecenoic acid (Vaccenic acid) (C18:1 n-7)
[506-17-2]
32,0 ± 3,3
µg/g
Reference value, Serum 3
(Z,Z,Z,Z)-6,9,12,15-Octadecatetraenoic acid (Stearidonic acid) (C18:4 n-3)
[20290-75-9]
0,77 ± 0,05
µg/g
Reference value, Serum 3
Eicosanoic acid (Arachidic acid) (C20:0)
[506-30-9]
7,9 ± 2,7
µg/g
Reference value, Serum 3
(Z)-11-Eicosenoic acid (Gondoic acid) (C20:1 n-9)
[5561-99-9]
5,88 ± 0,43
µg/g
Reference value, Serum 3
(Z,Z,Z)-5,8,11-Eicosatrienoic acid (C20:3 n-9)
2,26 ± 0,03
µg/g
Reference value, Serum 3
Docosanoic acid (Behenic acid) (C22:0)
[112-85-6]
19,2 ± 4,5
µg/g
Reference value, Serum 3
(Z)-13-Docosenoic acid (Erucic acid) (C22:1 n-9)
[112-86-7]
1,9 ± 1,3
µg/g
Reference value, Serum 3
(Z,Z)-13,16-Docosadienoic acid (C22:2 n-6)
0,303 ± 0,003
µg/g
Reference value, Serum 3
(Z,Z,Z,Z,Z)-4,7,10,13,16-Docosapentaenoic acid (C22:5 n-6)
5,16 ± 0,42
µg/g
Reference value, Serum 3
[2433-96-7]
7,75 ± 0,07
µg/g
Reference value, Serum 3
Tetracosanoic acid (Lignoceric acid) (C24:0)
[557-59-5]
18 ± 6
µg/g
Reference value, Serum 3
(Z)-15-Tetracosenoic acid (Nervonic Acid) (C24:1 n-9)
[506-37-6]
22 ± 9
µg/g
Reference value, Serum 3
Hexacosanoic acid (Cerotic acid) (C26:0)
[506-46-7]
0,34 ± 0,09
µg/g
Reference value, Serum 3
(7R,11R)-3,7,11,15-Tetramethyl-hexadecanoic acid (Phytanic acid)
[14721-66-5]
0,48 ± 0,06
µg/g
Reference value, Serum 3
Decanoic acid (Capric acid) (C10:0)
[334-48-5]
5,3 ± 0,9
µmol/L
Reference value, Serum 3
(Z)-9-Tetradecenoic acid (Myristoleic acid) (C14:1)
[544-64-9]
14 ± 8
µmol/L
Reference value, Serum 3
Pentadecanoic acid (C15:0)
[1002-84-2]
20,7 ± 0,5
µmol/L
Reference value, Serum 3
Heptadecanoic acid (Margaric acid) (C17:0)
[506-12-7]
26,5 ± 1,4
µmol/L
Reference value, Serum 3
(Z)-11-Octadecenoic acid (Vaccenic acid) (C18:1 n-7)
[506-17-2]
116 ± 12
µmol/L
Reference value, Serum 3
(Z,Z,Z,Z)-6,9,12,15-Octadecatetraenoic acid (Stearidonic acid) (C18:4 n-3)
[20290-75-9]
2,83 ± 0,17
µmol/L
Reference value, Serum 3
Eicosanoic acid (Arachidic acid) (C20:0)
[506-30-9]
26,0 ± 9,0
µmol/L
Reference value, Serum 3
(Z)-11-Eicosenoic acid (Gondoic acid) (C20:1 n-9)
[5561-99-9]
19,4 ± 1,4
µmol/L
Reference value, Serum 3
(Z,Z,Z)-5,8,11-Eicosatrienoic acid (C20:3 n-9)
7,54 ± 0,10
µmol/L
Reference value, Serum 3
Docosanoic acid (Behenic acid) (C22:0)
[112-85-6]
58 ± 14
µmol/L
Reference value, Serum 3
(Z)-13-Docosenoic acid (Erucic acid) (C22:1 n-9)
[112-86-7]
6 ± 4
µmol/L
Reference value, Serum 3
(Z,Z)-13,16-Docosadienoic acid (C22:2 n-6)
0,92 ± 0,01
µmol/L
Reference value, Serum 3
(Z,Z,Z,Z,Z)-4,7,10,13,16-Docosapentaenoic acid (C22:5 n-6)
16,0 ± 1,3
µmol/L
Reference value, Serum 3
[2433-96-7]
22,3 ± 0,2
µmol/L
Reference value, Serum 3
Tetracosanoic acid (Lignoceric acid) (C24:0)
[557-59-5]
49 ± 16
µmol/L
Reference value, Serum 3
(Z)-15-Tetracosenoic acid (Nervonic Acid) (C24:1 n-9)
[506-37-6]
61 ± 25
µmol/L
Reference value, Serum 3
Hexacosanoic acid (Cerotic acid) (C26:0)
[506-46-7]
0,86 ± 0,2
µmol/L
Reference value, Serum 3
(7R,11R)-3,7,11,15-Tetramethyl-hexadecanoic acid (Phytanic acid)
[14721-66-5]
1,56 ± 0,18
µmol/L
Reference value, Serum 3
Analyte
Tetradecanoic acid (Myristic acid) (C14:0)
CAS Number
[544-63-8]
Concentration
44.6 ± 1.5
Unit
µg/g
Additional information
Certified value, Serum 1
Method
Analyte
Hexadecanoic acid (Palmitic acid) (C16:0)
CAS Number
[57-10-3]
Concentration
833 ± 87
Unit
µg/g
Additional information
Certified value, Serum 1
Method
Analyte
(Z)-9-Hexadecenoic acid (Palmitoleic acid) (C16:1 n-7)
CAS Number
[373-49-9]
Concentration
53.4 ± 3.8
Unit
µg/g
Additional information
Certified value, Serum 1
Method
Analyte
Octadecanoic acid (Stearic acid) (C18:0)
CAS Number
[57-11-4]
Concentration
221 ± 25
Unit
µg/g
Additional information
Certified value, Serum 1
Method
Analyte
(Z)-9-Octadecenoic acid (Oleic acid) (C18:1 n-9)
CAS Number
[112-80-1]
Concentration
604 ± 66
Unit
µg/g
Additional information
Certified value, Serum 1
Method
Analyte
(Z,Z)-9,12-Octadecadienoic acid (Linoleic acid) (C18:2 n-6)
CAS Number
[60-33-3]
Concentration
1030 ± 180
Unit
µg/g
Additional information
Certified value, Serum 1
Method
Analyte
(Z,Z,Z)-9,12,15-Octadecatrienoic acid (alpha-Linolenic acid) (C18:3 n-3)
CAS Number
[463-40-1]
Concentration
32.5 ± 4.1
Unit
µg/g
Additional information
Certified value, Serum 1
Method
Analyte
(Z,Z,Z)-6,9,12-Octadecatrienoic acid (gamma-Linolenic acid) (C18:3 n-6)
CAS Number
[506-26-3]
Concentration
12.3 ± 1.6
Unit
µg/g
Additional information
Certified value, Serum 1
Method
Analyte
(Z,Z,Z,Z)-5,8,11,14-Eicosatetraenoic acid (Arachidonic acid) (C20:4 n-6)
CAS Number
[506-32-1]
Concentration
196 ± 20
Unit
µg/g
Additional information
Certified value, Serum 1
Method
Analyte
omega-3 (Z,Z,Z,Z,Z)-5,8,11,14,17-Eicosapentaenoic acid (EPA) (C20:5 n-3)
CAS Number
[10417-94-4]
Concentration
84 ± 11
Unit
µg/g
Additional information
Certified value, Serum 1
Method
Analyte
(Z,Z,Z,Z,Z,)-7,10,13,16,19-Docosapentaenoic acid (DPA) (C22:5 n-3)
CAS Number
[24880-45-3]
Concentration
22.4 ± 1.2
Unit
µg/g
Additional information
Certified value, Serum 1
Method
Analyte
omega-3 (Z,Z,Z,Z,Z,Z)-4,7,10,13,16,19-Docosahexaenoic acid (DHA) (C22:6 n-3)
CAS Number
[6217-54-5]
Concentration
104 ± 5
Unit
µg/g
Additional information
Certified value, Serum 1
Method
Analyte
Tetradecanoic acid (Myristic acid) (C14:0)
CAS Number
[544-63-8]
Concentration
200 ± 7
Unit
µmol/L
Additional information
Certified value, Serum 1
Method
Analyte
Hexadecanoic acid (Palmitic acid) (C16:0)
CAS Number
[57-10-3]
Concentration
3320 ± 350
Unit
µmol/L
Additional information
Certified value, Serum 1
Method
Analyte
(Z)-9-Hexadecenoic acid (Palmitoleic acid) (C16:1 n-7)
CAS Number
[373-49-9]
Concentration
214 ± 15
Unit
µmol/L
Additional information
Certified value, Serum 1
Method
Analyte
Octadecanoic acid (Stearic acid) (C18:0)
CAS Number
[57-11-4]
Concentration
795 ± 90
Unit
µmol/L
Additional information
Certified value, Serum 1
Method
Analyte
(Z)-9-Octadecenoic acid (Oleic acid) (C18:1 n-9)
CAS Number
[112-80-1]
Concentration
2190 ± 240
Unit
µmol/L
Additional information
Certified value, Serum 1
Method
Analyte
(Z,Z)-9,12-Octadecadienoic acid (Linoleic acid) (C18:2 n-6)
CAS Number
[60-33-3]
Concentration
3740 ± 640
Unit
µmol/L
Additional information
Certified value, Serum 1
Method
Analyte
(Z,Z,Z)-9,12,15-Octadecatrienoic acid (alpha-Linolenic acid) (C18:3 n-3)
CAS Number
[463-40-1]
Concentration
119 ± 15
Unit
µmol/L
Additional information
Certified value, Serum 1
Method
Analyte
(Z,Z,Z)-6,9,12-Octadecatrienoic acid (gamma-Linolenic acid) (C18:3 n-6)
CAS Number
[506-26-3]
Concentration
45,1 ± 6,0
Unit
µmol/L
Additional information
Certified value, Serum 1
Method
Analyte
(Z,Z,Z,Z)-5,8,11,14-Eicosatetraenoic acid (Arachidonic acid) (C20:4 n-6)
CAS Number
[506-32-1]
Concentration
659 ± 69
Unit
µmol/L
Additional information
Certified value, Serum 1
Method
Analyte
omega-3 (Z,Z,Z,Z,Z)-5,8,11,14,17-Eicosapentaenoic acid (EPA) (C20:5 n-3)
CAS Number
[10417-94-4]
Concentration
284 ± 37
Unit
µmol/L
Additional information
Certified value, Serum 1
Method
Analyte
(Z,Z,Z,Z,Z,)-7,10,13,16,19-Docosapentaenoic acid (DPA) (C22:5 n-3)
CAS Number
[24880-45-3]
Concentration
69,4 ± 3,6
Unit
µmol/L
Additional information
Certified value, Serum 1
Method
Analyte
omega-3 (Z,Z,Z,Z,Z,Z)-4,7,10,13,16,19-Docosahexaenoic acid (DHA) (C22:6 n-3)
CAS Number
[6217-54-5]
Concentration
323 ± 16
Unit
µmol/L
Additional information
Certified value, Serum 1
Method
Analyte
Tetradecanoic acid (Myristic acid) (C14:0)
CAS Number
[544-63-8]
Concentration
33,8 ± 1,2
Unit
µg/g
Additional information
Certified value, Serum 2
Method
Analyte
Hexadecanoic acid (Palmitic acid) (C16:0)
CAS Number
[57-10-3]
Concentration
715 ± 111
Unit
µg/g
Additional information
Certified value, Serum 2
Method
Analyte
(Z)-9-Hexadecenoic acid (Palmitoleic acid) (C16:1 n-7)
CAS Number
[373-49-9]
Concentration
69,1 ± 6,9
Unit
µg/g
Additional information
Certified value, Serum 2
Method
Analyte
Octadecanoic acid (Stearic acid) (C18:0)
CAS Number
[57-11-4]
Concentration
231 ± 14
Unit
µg/g
Additional information
Certified value, Serum 2
Method
Analyte
(Z)-9-Octadecenoic acid (Oleic acid) (C18:1 n-9)
CAS Number
[112-80-1]
Concentration
738 ± 52
Unit
µg/g
Additional information
Certified value, Serum 2
Method
Analyte
(Z,Z)-9,12-Octadecadienoic acid (Linoleic acid) (C18:2 n-6)
CAS Number
[60-33-3]
Concentration
1220 ± 10
Unit
µg/g
Additional information
Certified value, Serum 2
Method
Analyte
(Z,Z,Z)-9,12,15-Octadecatrienoic acid (alpha-Linolenic acid) (C18:3 n-3)
CAS Number
[463-40-1]
Concentration
31,5 ± 1,3
Unit
µg/g
Additional information
Certified value, Serum 2
Method
Analyte
(Z,Z,Z)-6,9,12-Octadecatrienoic acid (gamma-Linolenic acid) (C18:3 n-6)
CAS Number
[506-26-3]
Concentration
21,0 ± 0,4
Unit
µg/g
Additional information
Certified value, Serum 2
Method
Analyte
(Z,Z,Z,Z)-5,8,11,14-Eicosatetraenoic acid (Arachidonic acid) (C20:4 n-6)
CAS Number
[506-32-1]
Concentration
235 ± 26
Unit
µg/g
Additional information
Certified value, Serum 2
Method
Analyte
omega-3 (Z,Z,Z,Z,Z)-5,8,11,14,17-Eicosapentaenoic acid (EPA) (C20:5 n-3)
CAS Number
[10417-94-4]
Concentration
20,7 ± 0,8
Unit
µg/g
Additional information
Certified value, Serum 2
Method
Analyte
(Z,Z,Z,Z,Z,)-7,10,13,16,19-Docosapentaenoic acid (DPA) (C22:5 n-3)
CAS Number
[24880-45-3]
Concentration
17,0 ± 0,8
Unit
µg/g
Additional information
Certified value, Serum 2
Method
Analyte
omega-3 (Z,Z,Z,Z,Z,Z)-4,7,10,13,16,19-Docosahexaenoic acid (DHA) (C22:6 n-3)
CAS Number
[6217-54-5]
Concentration
55,4 ± 2,3
Unit
µg/g
Additional information
Certified value, Serum 2
Method
Analyte
Tetradecanoic acid (Myristic acid) (C14:0)
CAS Number
[544-63-8]
Concentration
151 ± 5
Unit
µmol/L
Additional information
Certified value, Serum 2
Method
Analyte
Hexadecanoic acid (Palmitic acid) (C16:0)
CAS Number
[57-10-3]
Concentration
2850 ± 440
Unit
µmol/L
Additional information
Certified value, Serum 2
Method
Analyte
(Z)-9-Hexadecenoic acid (Palmitoleic acid) (C16:1 n-7)
CAS Number
[373-49-9]
Concentration
278 ± 28
Unit
µmol/L
Additional information
Certified value, Serum 2
Method
Analyte
Octadecanoic acid (Stearic acid) (C18:0)
CAS Number
[57-11-4]
Concentration
830 ± 50
Unit
µmol/L
Additional information
Certified value, Serum 2
Method
Analyte
(Z)-9-Octadecenoic acid (Oleic acid) (C18:1 n-9)
CAS Number
[112-80-1]
Concentration
2670 ± 189
Unit
µmol/L
Additional information
Certified value, Serum 2
Method
Analyte
(Z,Z)-9,12-Octadecadienoic acid (Linoleic acid) (C18:2 n-6)
CAS Number
[60-33-3]
Concentration
4460 ± 45
Unit
µmol/L
Additional information
Certified value, Serum 2
Method
Analyte
(Z,Z,Z)-9,12,15-Octadecatrienoic acid (alpha-Linolenic acid) (C18:3 n-3)
CAS Number
[463-40-1]
Concentration
116 ± 5
Unit
µmol/L
Additional information
Certified value, Serum 2
Method
Analyte
(Z,Z,Z)-6,9,12-Octadecatrienoic acid (gamma-Linolenic acid) (C18:3 n-6)
CAS Number
[506-26-3]
Concentration
77,1 ± 1,4
Unit
µmol/L
Additional information
Certified value, Serum 2
Method
Analyte
(Z,Z,Z,Z)-5,8,11,14-Eicosatetraenoic acid (Arachidonic acid) (C20:4 n-6)
CAS Number
[506-32-1]
Concentration
790 ± 86
Unit
µmol/L
Additional information
Certified value, Serum 2
Method
Analyte
omega-3 (Z,Z,Z,Z,Z)-5,8,11,14,17-Eicosapentaenoic acid (EPA) (C20:5 n-3)
CAS Number
[10417-94-4]
Concentration
70,1 ± 2,6
Unit
µmol/L
Additional information
Certified value, Serum 2
Method
Analyte
(Z,Z,Z,Z,Z,)-7,10,13,16,19-Docosapentaenoic acid (DPA) (C22:5 n-3)
CAS Number
[24880-45-3]
Concentration
52,6 ± 2,4
Unit
µmol/L
Additional information
Certified value, Serum 2
Method
Analyte
omega-3 (Z,Z,Z,Z,Z,Z)-4,7,10,13,16,19-Docosahexaenoic acid (DHA) (C22:6 n-3)
CAS Number
[6217-54-5]
Concentration
173 ± 7
Unit
µmol/L
Additional information
Certified value, Serum 2
Method
Analyte
Tetradecanoic acid (Myristic acid) (C14:0)
CAS Number
[544-63-8]
Concentration
34,6 ± 0,8
Unit
µg/g
Additional information
Certified value, Serum 3
Method
Analyte
Hexadecanoic acid (Palmitic acid) (C16:0)
CAS Number
[57-10-3]
Concentration
642 ± 114
Unit
µg/g
Additional information
Certified value, Serum 3
Method
Analyte
(Z)-9-Hexadecenoic acid (Palmitoleic acid) (C16:1 n-7)
CAS Number
[373-49-9]
Concentration
45,7 ± 3,2
Unit
µg/g
Additional information
Certified value, Serum 3
Method
Analyte
Octadecanoic acid (Stearic acid) (C18:0)
CAS Number
[57-11-4]
Concentration
194 ± 21
Unit
µg/g
Additional information
Certified value, Serum 3
Method
Analyte
(Z)-9-Octadecenoic acid (Oleic acid) (C18:1 n-9)
CAS Number
[112-80-1]
Concentration
569 ± 66
Unit
µg/g
Additional information
Certified value, Serum 3
Method
Analyte
(Z,Z)-9,12-Octadecadienoic acid (Linoleic acid) (C18:2 n-6)
CAS Number
[60-33-3]
Concentration
913 ± 6
Unit
µg/g
Additional information
Certified value, Serum 3
Method
Analyte
(Z,Z,Z)-9,12,15-Octadecatrienoic acid (alpha-Linolenic acid) (C18:3 n-3)
CAS Number
[463-40-1]
Concentration
17,0 ± 0,1
Unit
µg/g
Additional information
Certified value, Serum 3
Method
Analyte
(Z,Z,Z)-6,9,12-Octadecatrienoic acid (gamma-Linolenic acid) (C18:3 n-6)
CAS Number
[506-26-3]
Concentration
14,6 ± 1,0
Unit
µg/g
Additional information
Certified value, Serum 3
Method
Analyte
(Z,Z,Z,Z)-5,8,11,14-Eicosatetraenoic acid (Arachidonic acid) (C20:4 n-6)
CAS Number
[506-32-1]
Concentration
228 ± 14
Unit
µg/g
Additional information
Certified value, Serum 3
Method
Analyte
omega-3 (Z,Z,Z,Z,Z)-5,8,11,14,17-Eicosapentaenoic acid (EPA) (C20:5 n-3)
CAS Number
[10417-94-4]
Concentration
18,9 ± 2,2
Unit
µg/g
Additional information
Certified value, Serum 3
Method
Analyte
(Z,Z,Z,Z,Z,)-7,10,13,16,19-Docosapentaenoic acid (DPA) (C22:5 n-3)
CAS Number
[24880-45-3]
Concentration
11,4 ± 0,6
Unit
µg/g
Additional information
Certified value, Serum 3
Method
Analyte
omega-3 (Z,Z,Z,Z,Z,Z)-4,7,10,13,16,19-Docosahexaenoic acid (DHA) (C22:6 n-3)
CAS Number
[6217-54-5]
Concentration
54,9 ± 2,4
Unit
µg/g
Additional information
Certified value, Serum 3
Method
Analyte
Tetradecanoic acid (Myristic acid) (C14:0)
CAS Number
[544-63-8]
Concentration
155 ± 4
Unit
µmol/L
Additional information
Certified value, Serum 3
Method
Analyte
Hexadecanoic acid (Palmitic acid) (C16:0)
CAS Number
[57-10-3]
Concentration
2560 ± 460
Unit
µmol/L
Additional information
Certified value, Serum 3
Method
Analyte
(Z)-9-Hexadecenoic acid (Palmitoleic acid) (C16:1 n-7)
CAS Number
[373-49-9]
Concentration
184 ± 13
Unit
µmol/L
Additional information
Certified value, Serum 3
Method
Analyte
Octadecanoic acid (Stearic acid) (C18:0)
CAS Number
[57-11-4]
Concentration
696 ± 75
Unit
µmol/L
Additional information
Certified value, Serum 3
Method
Analyte
(Z)-9-Octadecenoic acid (Oleic acid) (C18:1 n-9)
CAS Number
[112-80-1]
Concentration
2060 ± 240
Unit
µmol/L
Additional information
Certified value, Serum 3
Method
Analyte
(Z,Z)-9,12-Octadecadienoic acid (Linoleic acid) (C18:2 n-6)
CAS Number
[60-33-3]
Concentration
3330 ± 20
Unit
µmol/L
Additional information
Certified value, Serum 3
Method
Analyte
(Z,Z,Z)-9,12,15-Octadecatrienoic acid (alpha-Linolenic acid) (C18:3 n-3)
CAS Number
[463-40-1]
Concentration
62,4 ± 0,5
Unit
µmol/L
Additional information
Certified value, Serum 3
Method
Analyte
(Z,Z,Z)-6,9,12-Octadecatrienoic acid (gamma-Linolenic acid) (C18:3 n-6)
CAS Number
[506-26-3]
Concentration
53,6 ± 3,6
Unit
µmol/L
Additional information
Certified value, Serum 3
Method
Analyte
(Z,Z,Z,Z)-5,8,11,14-Eicosatetraenoic acid (Arachidonic acid) (C20:4 n-6)
CAS Number
[506-32-1]
Concentration
765 ± 46
Unit
µmol/L
Additional information
Certified value, Serum 3
Method
Analyte
omega-3 (Z,Z,Z,Z,Z)-5,8,11,14,17-Eicosapentaenoic acid (EPA) (C20:5 n-3)
CAS Number
[10417-94-4]
Concentration
63,8 ± 7,6
Unit
µmol/L
Additional information
Certified value, Serum 3
Method
Analyte
(Z,Z,Z,Z,Z,)-7,10,13,16,19-Docosapentaenoic acid (DPA) (C22:5 n-3)
CAS Number
[24880-45-3]
Concentration
35,1 ± 1,9
Unit
µmol/L
Additional information
Certified value, Serum 3
Method
Analyte
omega-3 (Z,Z,Z,Z,Z,Z)-4,7,10,13,16,19-Docosahexaenoic acid (DHA) (C22:6 n-3)
CAS Number
[6217-54-5]
Concentration
171 ± 8
Unit
µmol/L
Additional information
Certified value, Serum 3
Method
Analyte
Decanoic acid (Capric acid) (C10:0)
CAS Number
[334-48-5]
Concentration
3,56 ± 0,04
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
(Z)-9-Tetradecenoic acid (Myristoleic acid) (C14:1)
CAS Number
[544-64-9]
Concentration
3,4 ± 1,5
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
Pentadecanoic acid (C15:0)
CAS Number
[1002-84-2]
Concentration
5,14 ± 0,16
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
Heptadecanoic acid (Margaric acid) (C17:0)
CAS Number
[506-12-7]
Concentration
7,11 ± 0,47
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
(Z)-11-Octadecenoic acid (Vaccenic acid) (C18:1 n-7)
CAS Number
[506-17-2]
Concentration
41,3 ± 7,4
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
(Z,Z,Z,Z)-6,9,12,15-Octadecatetraenoic acid (Stearidonic acid) (C18:4 n-3)
CAS Number
[20290-75-9]
Concentration
2,20 ± 0,31
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
Eicosanoic acid (Arachidic acid) (C20:0)
CAS Number
[506-30-9]
Concentration
7,6 ± 1,1
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
(Z)-11-Eicosenoic acid (Gondoic acid) (C20:1 n-9)
CAS Number
[5561-99-9]
Concentration
6,0 ± 1,0
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
(Z,Z,Z)-5,8,11-Eicosatrienoic acid (C20:3 n-9)
CAS Number
Concentration
1,40 ± 0,09
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
Docosanoic acid (Behenic acid) (C22:0)
CAS Number
[112-85-6]
Concentration
18,8 ± 4,3
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
(Z)-13-Docosenoic acid (Erucic acid) (C22:1 n-9)
CAS Number
[112-86-7]
Concentration
1,7 ± 1,0
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
(Z,Z)-13,16-Docosadienoic acid (C22:2 n-6)
CAS Number
Concentration
0,31 ± 0,02
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
(Z,Z,Z,Z,Z)-4,7,10,13,16-Docosapentaenoic acid (C22:5 n-6)
CAS Number
Concentration
2,71 ± 0,21
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
Tricosanoic acid (C23:0)
CAS Number
[2433-96-7]
Concentration
8,19 ± 0,19
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
Tetracosanoic acid (Lignoceric acid) (C24:0)
CAS Number
[557-59-5]
Concentration
19 ± 5
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
(Z)-15-Tetracosenoic acid (Nervonic Acid) (C24:1 n-9)
CAS Number
[506-37-6]
Concentration
32 ± 9
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
Hexacosanoic acid (Cerotic acid) (C26:0)
CAS Number
[506-46-7]
Concentration
0,35 ± 0,05
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
(7R,11R)-3,7,11,15-Tetramethyl-hexadecanoic acid (Phytanic acid)
CAS Number
[14721-66-5]
Concentration
0,55 ± 0,02
Unit
µg/g
Additional information
Reference value, Serum 1
Method
Analyte
Decanoic acid (Capric acid) (C10:0)
CAS Number
[334-48-5]
Concentration
21,1 ± 0,2
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
(Z)-9-Tetradecenoic acid (Myristoleic acid) (C14:1)
CAS Number
[544-64-9]
Concentration
16 ± 7
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
Pentadecanoic acid (C15:0)
CAS Number
[1002-84-2]
Concentration
21,7 ± 0,7
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
Heptadecanoic acid (Margaric acid) (C17:0)
CAS Number
[506-12-7]
Concentration
26,9 ± 1,8
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
(Z)-11-Octadecenoic acid (Vaccenic acid) (C18:1 n-7)
CAS Number
[506-17-2]
Concentration
149 ± 27
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
(Z,Z,Z,Z)-6,9,12,15-Octadecatetraenoic acid (Stearidonic acid) (C18:4 n-3)
CAS Number
[20290-75-9]
Concentration
8,1 ± 1,1
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
Eicosanoic acid (Arachidic acid) (C20:0)
CAS Number
[506-30-9]
Concentration
25,0 ± 3,6
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
(Z)-11-Eicosenoic acid (Gondoic acid) (C20:1 n-9)
CAS Number
[5561-99-9]
Concentration
19,7 ± 3,3
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
(Z,Z,Z)-5,8,11-Eicosatrienoic acid (C20:3 n-9)
CAS Number
Concentration
4,67 ± 0,29
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
Docosanoic acid (Behenic acid) (C22:0)
CAS Number
[112-85-6]
Concentration
57 ± 13
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
(Z)-13-Docosenoic acid (Erucic acid) (C22:1 n-9)
CAS Number
[112-86-7]
Concentration
5 ± 3
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
(Z,Z)-13,16-Docosadienoic acid (C22:2 n-6)
CAS Number
Concentration
0,93 ± 0,06
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
(Z,Z,Z,Z,Z)-4,7,10,13,16-Docosapentaenoic acid (C22:5 n-6)
CAS Number
Concentration
8,37 ± 0,64
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
Tricosanoic acid (C23:0)
CAS Number
[2433-96-7]
Concentration
23,6 ± 0,5
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
Tetracosanoic acid (Lignoceric acid) (C24:0)
CAS Number
[557-59-5]
Concentration
54 ± 13
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
(Z)-15-Tetracosenoic acid (Nervonic Acid) (C24:1 n-9)
CAS Number
[506-37-6]
Concentration
89 ± 26
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
Hexacosanoic acid (Cerotic acid) (C26:0)
CAS Number
[506-46-7]
Concentration
0,89 ± 0,12
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
(7R,11R)-3,7,11,15-Tetramethyl-hexadecanoic acid (Phytanic acid)
CAS Number
[14721-66-5]
Concentration
1,80 ± 0,06
Unit
µmol/L
Additional information
Reference value, Serum 1
Method
Analyte
Decanoic acid (Capric acid) (C10:0)
CAS Number
[334-48-5]
Concentration
0,3 ± 0,1
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
(Z)-9-Tetradecenoic acid (Myristoleic acid) (C14:1)
CAS Number
[544-64-9]
Concentration
2,8 ± 1,5
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
Pentadecanoic acid (C15:0)
CAS Number
[1002-84-2]
Concentration
6,76 ± 0,16
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
Heptadecanoic acid (Margaric acid) (C17:0)
CAS Number
[506-12-7]
Concentration
8,84 ± 0,21
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
(Z)-11-Octadecenoic acid (Vaccenic acid) (C18:1 n-7)
CAS Number
[506-17-2]
Concentration
35,6 ± 6,0
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
(Z,Z,Z,Z)-6,9,12,15-Octadecatetraenoic acid (Stearidonic acid) (C18:4 n-3)
CAS Number
[20290-75-9]
Concentration
1,11 ± 0,15
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
Eicosanoic acid (Arachidic acid) (C20:0)
CAS Number
[506-30-9]
Concentration
8,7 ± 1,5
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
(Z)-11-Eicosenoic acid (Gondoic acid) (C20:1 n-9)
CAS Number
[5561-99-9]
Concentration
5,7 ± 1,0
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
(Z,Z,Z)-5,8,11-Eicosatrienoic acid (C20:3 n-9)
CAS Number
Concentration
2,13 ± 0,07
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
Docosanoic acid (Behenic acid) (C22:0)
CAS Number
[112-85-6]
Concentration
29 ± 9
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
(Z)-13-Docosenoic acid (Erucic acid) (C22:1 n-9)
CAS Number
[112-86-7]
Concentration
1,7 ± 0,9
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
(Z,Z)-13,16-Docosadienoic acid (C22:2 n-6)
CAS Number
Concentration
0,36 ± 0,03
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
(Z,Z,Z,Z,Z)-4,7,10,13,16-Docosapentaenoic acid (C22:5 n-6)
CAS Number
Concentration
5,20 ± 0,41
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
Tricosanoic acid (C23:0)
CAS Number
[2433-96-7]
Concentration
13,1 ± 0,5
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
Tetracosanoic acid (Lignoceric acid) (C24:0)
CAS Number
[557-59-5]
Concentration
25 ± 9
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
(Z)-15-Tetracosenoic acid (Nervonic Acid) (C24:1 n-9)
CAS Number
[506-37-6]
Concentration
30 ± 17
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
Hexacosanoic acid (Cerotic acid) (C26:0)
CAS Number
[506-46-7]
Concentration
0,25 ± 0,04
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
(7R,11R)-3,7,11,15-Tetramethyl-hexadecanoic acid (Phytanic acid)
CAS Number
[14721-66-5]
Concentration
0,33 ± 0,02
Unit
µg/g
Additional information
Reference value, Serum 2
Method
Analyte
Decanoic acid (Capric acid) (C10:0)
CAS Number
[334-48-5]
Concentration
1,9 ± 0,8
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
(Z)-9-Tetradecenoic acid (Myristoleic acid) (C14:1)
CAS Number
[544-64-9]
Concentration
13 ± 7
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
Pentadecanoic acid (C15:0)
CAS Number
[1002-84-2]
Concentration
28,5 ± 0,7
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
Heptadecanoic acid (Margaric acid) (C17:0)
CAS Number
[506-12-7]
Concentration
33,4 ± 0,8
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
(Z)-11-Octadecenoic acid (Vaccenic acid) (C18:1 n-7)
CAS Number
[506-17-2]
Concentration
129 ± 22
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
(Z,Z,Z,Z)-6,9,12,15-Octadecatetraenoic acid (Stearidonic acid) (C18:4 n-3)
CAS Number
[20290-75-9]
Concentration
4,11 ± 0,54
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
Eicosanoic acid (Arachidic acid) (C20:0)
CAS Number
[506-30-9]
Concentration
28,4 ± 4,8
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
(Z)-11-Eicosenoic acid (Gondoic acid) (C20:1 n-9)
CAS Number
[5561-99-9]
Concentration
18,9 ± 3,4
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
(Z,Z,Z)-5,8,11-Eicosatrienoic acid (C20:3 n-9)
CAS Number
Concentration
7,10 ± 0,23
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
Docosanoic acid (Behenic acid) (C22:0)
CAS Number
[112-85-6]
Concentration
86 ± 27
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
(Z)-13-Docosenoic acid (Erucic acid) (C22:1 n-9)
CAS Number
[112-86-7]
Concentration
5 ± 3
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
(Z,Z)-13,16-Docosadienoic acid (C22:2 n-6)
CAS Number
Concentration
1,09 ± 0,09
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
(Z,Z,Z,Z,Z)-4,7,10,13,16-Docosapentaenoic acid (C22:5 n-6)
CAS Number
Concentration
16,1 ± 1,3
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
Tricosanoic acid (C23:0)
CAS Number
[2433-96-7]
Concentration
37,9 ± 1,5
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
Tetracosanoic acid (Lignoceric acid) (C24:0)
CAS Number
[557-59-5]
Concentration
70 ± 25
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
(Z)-15-Tetracosenoic acid (Nervonic Acid) (C24:1 n-9)
CAS Number
[506-37-6]
Concentration
83 ± 49
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
Hexacosanoic acid (Cerotic acid) (C26:0)
CAS Number
[506-46-7]
Concentration
0,63 ± 0,11
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
(7R,11R)-3,7,11,15-Tetramethyl-hexadecanoic acid (Phytanic acid)
CAS Number
[14721-66-5]
Concentration
1,07 ± 0,06
Unit
µmol/L
Additional information
Reference value, Serum 2
Method
Analyte
Decanoic acid (Capric acid) (C10:0)
CAS Number
[334-48-5]
Concentration
0,89 ± 0,15
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
(Z)-9-Tetradecenoic acid (Myristoleic acid) (C14:1)
CAS Number
[544-64-9]
Concentration
3,2 ± 1,7
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
Pentadecanoic acid (C15:0)
CAS Number
[1002-84-2]
Concentration
4,92 ± 0,12
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
Heptadecanoic acid (Margaric acid) (C17:0)
CAS Number
[506-12-7]
Concentration
7,02 ± 0,37
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
(Z)-11-Octadecenoic acid (Vaccenic acid) (C18:1 n-7)
CAS Number
[506-17-2]
Concentration
32,0 ± 3,3
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
(Z,Z,Z,Z)-6,9,12,15-Octadecatetraenoic acid (Stearidonic acid) (C18:4 n-3)
CAS Number
[20290-75-9]
Concentration
0,77 ± 0,05
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
Eicosanoic acid (Arachidic acid) (C20:0)
CAS Number
[506-30-9]
Concentration
7,9 ± 2,7
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
(Z)-11-Eicosenoic acid (Gondoic acid) (C20:1 n-9)
CAS Number
[5561-99-9]
Concentration
5,88 ± 0,43
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
(Z,Z,Z)-5,8,11-Eicosatrienoic acid (C20:3 n-9)
CAS Number
Concentration
2,26 ± 0,03
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
Docosanoic acid (Behenic acid) (C22:0)
CAS Number
[112-85-6]
Concentration
19,2 ± 4,5
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
(Z)-13-Docosenoic acid (Erucic acid) (C22:1 n-9)
CAS Number
[112-86-7]
Concentration
1,9 ± 1,3
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
(Z,Z)-13,16-Docosadienoic acid (C22:2 n-6)
CAS Number
Concentration
0,303 ± 0,003
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
(Z,Z,Z,Z,Z)-4,7,10,13,16-Docosapentaenoic acid (C22:5 n-6)
CAS Number
Concentration
5,16 ± 0,42
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
Tricosanoic acid (C23:0)
CAS Number
[2433-96-7]
Concentration
7,75 ± 0,07
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
Tetracosanoic acid (Lignoceric acid) (C24:0)
CAS Number
[557-59-5]
Concentration
18 ± 6
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
(Z)-15-Tetracosenoic acid (Nervonic Acid) (C24:1 n-9)
CAS Number
[506-37-6]
Concentration
22 ± 9
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
Hexacosanoic acid (Cerotic acid) (C26:0)
CAS Number
[506-46-7]
Concentration
0,34 ± 0,09
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
(7R,11R)-3,7,11,15-Tetramethyl-hexadecanoic acid (Phytanic acid)
CAS Number
[14721-66-5]
Concentration
0,48 ± 0,06
Unit
µg/g
Additional information
Reference value, Serum 3
Method
Analyte
Decanoic acid (Capric acid) (C10:0)
CAS Number
[334-48-5]
Concentration
5,3 ± 0,9
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
(Z)-9-Tetradecenoic acid (Myristoleic acid) (C14:1)
CAS Number
[544-64-9]
Concentration
14 ± 8
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
Pentadecanoic acid (C15:0)
CAS Number
[1002-84-2]
Concentration
20,7 ± 0,5
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
Heptadecanoic acid (Margaric acid) (C17:0)
CAS Number
[506-12-7]
Concentration
26,5 ± 1,4
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
(Z)-11-Octadecenoic acid (Vaccenic acid) (C18:1 n-7)
CAS Number
[506-17-2]
Concentration
116 ± 12
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
(Z,Z,Z,Z)-6,9,12,15-Octadecatetraenoic acid (Stearidonic acid) (C18:4 n-3)
CAS Number
[20290-75-9]
Concentration
2,83 ± 0,17
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
Eicosanoic acid (Arachidic acid) (C20:0)
CAS Number
[506-30-9]
Concentration
26,0 ± 9,0
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
(Z)-11-Eicosenoic acid (Gondoic acid) (C20:1 n-9)
CAS Number
[5561-99-9]
Concentration
19,4 ± 1,4
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
(Z,Z,Z)-5,8,11-Eicosatrienoic acid (C20:3 n-9)
CAS Number
Concentration
7,54 ± 0,10
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
Docosanoic acid (Behenic acid) (C22:0)
CAS Number
[112-85-6]
Concentration
58 ± 14
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
(Z)-13-Docosenoic acid (Erucic acid) (C22:1 n-9)
CAS Number
[112-86-7]
Concentration
6 ± 4
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
(Z,Z)-13,16-Docosadienoic acid (C22:2 n-6)
CAS Number
Concentration
0,92 ± 0,01
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
(Z,Z,Z,Z,Z)-4,7,10,13,16-Docosapentaenoic acid (C22:5 n-6)
CAS Number
Concentration
16,0 ± 1,3
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
Tricosanoic acid (C23:0)
CAS Number
[2433-96-7]
Concentration
22,3 ± 0,2
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
Tetracosanoic acid (Lignoceric acid) (C24:0)
CAS Number
[557-59-5]
Concentration
49 ± 16
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
(Z)-15-Tetracosenoic acid (Nervonic Acid) (C24:1 n-9)
CAS Number
[506-37-6]
Concentration
61 ± 25
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
Hexacosanoic acid (Cerotic acid) (C26:0)
CAS Number
[506-46-7]
Concentration
0,86 ± 0,2
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Analyte
(7R,11R)-3,7,11,15-Tetramethyl-hexadecanoic acid (Phytanic acid)
CAS Number
[14721-66-5]
Concentration
1,56 ± 0,18
Unit
µmol/L
Additional information
Reference value, Serum 3
Method
Miscellaneous
Certificate of Analysis (specimen)
Reference Material CoA specimen: for the current lot, please contact your customer service representative at info@labmix24.com
Product data sheet
View all available product details e.g. description, analytes/parameters, CAS Number, concentrations/values, sales unit/product format, method, source, transport information
NIST provides over 1300 Standard Reference Materials® as well as articles and practice guides describing the development, analysis and use of SRMs.
NIST Standard Reference Materials are used by analytical laboratories in industry, academia and government in order to facilitate commerce and trade and to advance research and development. The SRMs are produced by the engineering laboratory, the material measurement laboratory, and the physical measurement laboratory at NIST. They are available for chemical composition, physical properties, and engineering materials.