Ammonium di-hydrogen phosphate for analysis ENSURE ACS, Packing: 500-gram Laboratory Reagent Grade.
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 %
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