This Standard Reference Material (SRM®) is a highly purified and homogeneous lot of crystalline ammonium dihydrogen phosphate (NH4H2PO4). It is intended primarily for use as a working standard in the calibration and standardization of procedures employed in the fertilizer industry for the determination of ammoniacal nitrogen and phosphorus. A unit of NIST-194a consists of one bottle containing 90 g of crystalline ammonium dihydrogen phosphate. /// Sample value(s) - please ask for current certificate.
Contents
Analyte
CAS Number
Concentration
Unit
Additional information
Method
Nitrogen (N)
[7727-37-9]
12,130 ± 0,047
%
certified value
Phosphorus (P)
[7723-14-0]
26,93 ± 0,14
%
certified value
Aluminium (Al)
[7429-90-5]
0,3
mg/kg
information value
Antimony (Sb)
[7440-36-0]
0,01
mg/kg
information value
Arsenic (As)
[7440-38-2]
0,4
mg/kg
information value
Barium (Ba)
[7440-39-3]
<0,05
mg/kg
information value
Beryllium (Be)
[7440-41-7]
<0,01
mg/kg
information value
Bismuth (Bi)
[7440-69-9]
<0,01
mg/kg
information value
Boron (B)
[7440-42-8]
6
mg/kg
information value
Bromine (Br)
[7726-95-6]
<5
mg/kg
information value
Cadmium (Cd)
[7440-43-9]
<0,1
mg/kg
information value
Calcium (Ca)
[7440-70-2]
1
mg/kg
information value
Cerium (Ce)
[7440-45-1]
<0,01
mg/kg
information value
Cesium (Cs)
<0,01
mg/kg
information value
Chlorine (Cl)
[7782-50-5]
9
mg/kg
information value
Chromium (Cr)
[7440-47-3]
0,3
mg/kg
information value
Cobalt (Co)
[7440-48-4]
<0,05
mg/kg
information value
Copper (Cu)
[7440-50-8]
0,4
mg/kg
information value
Dysprosium (Dy)
[7429-91-6]
<0,01
mg/kg
information value
Erbium (Er)
[7440-52-0]
<0,01
mg/kg
information value
Europium (Eu)
[7440-53-1]
<0,01
mg/kg
information value
Fluorine (F)
[7782-41-4]
<5
mg/kg
information value
Gadolinium (Gd)
[7440-54-2]
<0,01
mg/kg
information value
Gallium (Ga)
[7440-55-3]
<0,05
mg/kg
information value
Germanium (Ge)
[7440-56-4]
<0,05
mg/kg
information value
Gold (Au)
[7440-57-5]
<0,05
mg/kg
information value
Hafnium (Hf)
[7440-58-6]
<0,05
mg/kg
information value
Holmium (Ho)
[7440-60-0]
<0,01
mg/kg
information value
Indium (In)
[7440-74-6]
<5
mg/kg
information value
Iodine (I)
[7553-56-2]
<10
mg/kg
information value
Iridium (Ir)
[7439-88-5]
<0,01
mg/kg
information value
Iron (Fe)
[7439-89-6]
2
mg/kg
information value
Lanthanum (La)
[7439-91-0]
<0,01
mg/kg
information value
Lead (Pb)
[7439-92-1]
<0,01
mg/kg
information value
Lithium (Li)
[7439-93-2]
<0,01
mg/kg
information value
Lutetium (Lu)
[7439-94-3]
<0,01
mg/kg
information value
Magnesium (Mg)
[7439-95-4]
0,3
mg/kg
information value
Manganese (Mn)
[7439-96-5]
0,2
mg/kg
information value
Mercury (Hg)
[7439-97-6]
<0,05
mg/kg
information value
Molybdenum (Mo)
[7439-98-7]
0,2
mg/kg
information value
Neodymium (Nd)
[7440-00-8]
<0,01
mg/kg
information value
Nickel (Ni)
[7440-02-0]
0,8
mg/kg
information value
Niobium (Nb)
[7440-03-1]
<0,05
mg/kg
information value
Osmium (Os)
[7440-04-2]
<0,01
mg/kg
information value
Palladium (Pd)
[7440-05-3]
<0,1
mg/kg
information value
Platinum (Pt)
[7440-06-4]
<0,01
mg/kg
information value
Potassium (K)
[7440-09-7]
22
mg/kg
information value
Praseodymium (Pr)
[7440-10-0]
<0,01
mg/kg
information value
Rhenium (Re)
[7440-15-5]
<0,01
mg/kg
information value
Rhodium (Rh)
[7440-16-6]
<0,01
mg/kg
information value
Rubidium (Rb)
[7440-17-7]
<0,05
mg/kg
information value
Ruthenium (Ru)
[7440-18-8]
<0,01
mg/kg
information value
Samarium (Sm)
[7440-19-9]
<0,01
mg/kg
information value
Scandium (Sc)
[7440-20-2]
<0,3
mg/kg
information value
Selenium (Se)
[7782-49-2]
<0,1
mg/kg
information value
Silicon (Si)
[7440-21-3]
25
mg/kg
information value
Silver (Ag)
[7440-22-4]
<0,1
mg/kg
information value
Sodium (Na)
[7440-23-5]
6
mg/kg
information value
Strontium (Sr)
[7440-24-6]
0,1
mg/kg
information value
Sulfur
[7704-34-9]
<10
mg/kg
information value
Tantalum (Ta)
[7440-25-7]
<0,05
mg/kg
information value
Tellurium (Te)
[13494-80-9]
<0,1
mg/kg
information value
Terbium (Tb)
[7440-27-9]
<0,01
mg/kg
information value
Thallium (Tl)
[7440-28-0]
<0,01
mg/kg
information value
Thorium (Th)
[7440-29-1]
<0,01
mg/kg
information value
Thulium (Tm)
[7440-30-4]
<0,01
mg/kg
information value
Tin (Sn)
[7440-31-5]
0,01
mg/kg
information value
Titanium (Ti)
[7440-32-6]
1
mg/kg
information value
Tungsten (W)
[7440-33-7]
<0,05
mg/kg
information value
Uranium (U)
[7440-61-1]
<0,01
mg/kg
information value
Vanadium (V)
[7440-62-2]
<0,01
mg/kg
information value
Ytterbium (Yb)
[7440-64-4]
<0,01
mg/kg
information value
Yttrium (Y)
[7440-65-5]
?0,1
mg/kg
information value
Zinc (Zn)
[7440-66-6]
0,2
mg/kg
information value
Zirconium (Zr)
[7440-67-7]
0,2
mg/kg
information value
Miscellaneous
Certificate of Analysis (specimen)
Reference Material CoA specimen: for the current lot, please contact your customer service representative at info@labmix24.com
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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.
