Ammonium dihydrogen phosphate for analysis ENSURE ACS, packing: 500 gram
Replaces AX1350; AX1350-1; AX1350-20 Synonyms Ammonium biphosphate, Ammonium phosphate monobasic, Primary ammonium phosphate, Monoammonium orthophosphate
Specifications:
Assay (acidimetric) 99.0 %
Insoluble matter 0.005 %
pH-value (5 %; water, 25 C) 3.8 – 4.4
pH-value (2.3%; water) about 4.2
Chloride (Cl) 0.0005 %
Nitrate (NO) 0.001 %
Sulphate (SO) 0.005 %
Heavy metals (as Pb) 0.0005 %
Ca (Calcium) 0.001 %
Fe (Iron) 0.001 %
K (Potassium) 0.005 %
Mg (Magnesium) 0.0005 %
Na (Sodium) 0.005 %