Di-Sodium hydrogen phosphate dihydrate - For analysis reagent grade, Reag. Ph Eur
CAS No: 10028-24-7 | Molecular Weight: 177.99 g/mol
Assay (Acidimetric) ≥ 99.5 %
Identity: passes test
Appearance of solution: passes test
In water insoluble matter ≤ 0.3 %
pH-value (5 %; water) 9.0 - 9.2
Total nitrogen (N) ≤ 0.001 %
Ammonium (NH4) ≤ 0.001 %
Chloride (Cl) ≤ 0.005 %
Sulfate (SO₄) ≤ 0.02 %
Heavy metals (as Pb) ≤ 0.001 %
As (Arsenic) ≤ 0.0002 %
Fe (Iron) ≤ 0.001 %
Potassium (K) ≤ 0.005 %
Copper (Cu) ≤ 0.0003 %
Sodium dihydrogen phosphate (NaH₂PO₄) ≤ 1.7 %
Loss on drying (130 °C): 19.5 - 21.0 %
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