di-Ammonium Hydrogen Orthophosphate AR 500g

di-Ammonium Hydrogen Orthophosphate AR 500g

It is used a laboratory analytical reagent for research purposes

Analysis Notes

Assay (acidimetric): ≥ 99.0 %
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water; 25 °C): 7.8 – 8.1
pH-value (20 %; water): about 8
Chloride (Cl): ≤ 0.0005 %
Nitrate (NO₃): ≤ 0.001 %
Sulfate: ≤ 0.004 %
Heavy metals (as Pb): ≤ 0.0005 %
Ca (Calcium): ≤ 0.001 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.001 %
Mg (Magnesium): ≤ 0.0005 %
Na (Sodium): ≤ 0.001 %