This Standard Reference Material (SRM®) is intended primarily for use in validation of chemical and instrumental methods of analysis of cements and materials of similar matrix for elemental contents. It can be used to validate value assignment of in-house reference materials. A unit of NIST-635a consists of five vials, each containing about 5 g of cement ground to pass through a 75 µm sieve, and each sealed in a foil pouch. /// Sample value(s) - please ask for current certificate.
Hazards
Contents
Analyte
CAS Number
Concentration
Unit
Additional information
Method
Silicon dioxide (SiO2)
[7631-86-9]
23,13 ± 0,13
%
Certified Mass Fraction Value
XRF, ICP-OES and gravimetry
Aluminum Trioxide (Al2O3)
7,867 ± 0,049
%
Certified Mass Fraction Value
XRF and ICP-OES
Iron (III) Oxide (Fe2O3)
3,175 ± 0,025
%
Certified Mass Fraction Value
XRF and ICP-OES
Calcium Oxide (CaO)
[1305-78-8]
54,85 ± 0,36
%
Certified Mass Fraction Value
XRF, ICP-OES and gravimetry
Magnesium oxide (MgO)
[1309-48-4]
3,817 ± 0,065
%
Certified Mass Fraction Value
XRF and ICP-OES
Sulfur Trioxide (SO3)
3,222 ± 0,045
%
Certified Mass Fraction Value
XRF, ICP-OES and gravimetry
Sodium oxide (Na2O)
[1313-59-3]
0,2477 ± 0,0037
%
Certified Mass Fraction Value
XRF and ICP-OES
Potassium oxide (K2O)
0,725 ± 0,019
%
Certified Mass Fraction Value
XRF and ICP-OES
Titanium dioxide (TiO2)
[13463-67-7]
0,353 ± 0,010
%
Certified Mass Fraction Value
XRF and ICP-OES
Phosphorus Pentoxide (P2O5)
[1314-56-3]
0,0949 ± 0,0046
%
Certified Mass Fraction Value
XRF, ICP-OES and spectrophotometry
Manganese Trioxide (Mn2O3)
0,1279 ± 0,0027
%
Certified Mass Fraction Value
XRF and ICP-OES
Chromium Trioxide (Cr2O3)
0,01012 ± 0,00063
%
Certified Mass Fraction Value
XRF and ICP-OES
Zinc oxide (ZnO)
[1314-13-2]
0,02619 ± 0,00087
%
Certified Mass Fraction Value
XRF and ICP-OES
Strontium oxide (SrO)
0,1754 ± 0,0088
%
Certified Mass Fraction Value
XRF and ICP-OES
Barium Oxide (BaO)
0,0315 ± 0,0043
%
Certified Mass Fraction Value
XRF and ICP-OES
Chlorine (Cl)
[7782-50-5]
0,0146 ± 0,0028
%
Certified Mass Fraction Value
Total Cl determined using XRF
Free CaO
0,527 ± 0,023
%
Reference Mass Fraction Value
ASTM C114-15
Sulfide sulfur
[n/a]
0,242 ± 0,021
%
Reference Mass Fraction Value
KIO3 titration after reaction with HCl
Fluorine (F)
[7782-41-4]
0,0553 ± 0,0002
%
Reference Mass Fraction Value
Ion-selective electrode and XRF
Loss on Ignition (L.O.I.) between 45 °C and 220 °C
0,857 ± 0,002
%
Reference Mass Fraction Value
Thermogravimetry
Loss on Ignition (L.O.I.) between 220 °C and 550 °C
0,35 ± 0,03
%
Reference Mass Fraction Value
Thermogravimetry
Loss on Ignition (L.O.I.) between 550 °C and 950 °C
1,20 ± 0,02
%
Reference Mass Fraction Value
Thermogravimetry
Loss on Ignition (L.O.I.) total at 950 °C
2,45 ± 0,06
%
Reference Mass Fraction Value
Thermogravimetry
Loss on drying between ambient temperature and 45 °C
< 0,1
%
Information Mass Fraction Value
Total analyzed constituents
100,34
%
Information Mass Fraction Value
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.
