Merck, NIST194A, Ammonium dihydrogen phosphate

General description
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. For more information, please refer to the SDS and COA.

SRM 194A_cert

SRM 194A_SDS
Other Notes
Certified for the analytes listed below.
Nitrogen (N), Phosphorus (P)

Reference/Informational value is provided for the following analytes.
Aluminum (Al), Fluorine (F), Neodymium (Nd), Sulfur (S), Antimony (Sb), Gadolinium (Gd), Nickel (Ni), Tantalum (Ta), Arsenic (As), Gallium (Ga), Niobium (Nb), Tellurium (Te), Barium (Ba), Germanium (Ge), Osmium (Os), Terbium (Tb), Beryllium (Be), Gold (Au), Palladium (Pd), Thallium (Th), Bismuth (Bi), Hafnium (Hf), Latinum (La), Thorium (Th), Boron (B), Holmium (Ho), Potassium (K), Thulium (Tm),Bromine (Br), Indium (In), Praseodymium (Pr), Tin (Sn), Cadmium (Cd), Iodine (I), Rhenium (Re), Titanium (Ti), Calcium (Ca), Iridium (Ir) Rhodium (Rh), Tungsten (W), Cerium (Ce), Iron (Fe) Rubidium (Rb), Uranium (U), Cesium (Ce), Lanthanum (La), Ruthenium (Ru), Vanadium (V), Chlorine (Cl), Lead (Pb), Samarium (Sm), Ytterbium (Yb), Chromium (Cr), Lithium (Li), Scandium (Sc), Yttrium (Yt), Cobalt (Co), Lutetium (Lu), Selenium (Se), Zinc (Zn), Copper (Cu), Magnesium (Mg), Silicon (Si), Zirconium (Zr), Dysprosium (Dy), Manganese (Mn), Silver (Ag), Erbium (Er) Mercury (Hg), Sodium (Na), Europium (Eu), Molybdenum (Mo), Strontium (Sr)

See certificate for values and more details at nist.gov/SRM.
Legal Information
NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology