Specifications | |
---|---|
Assay (perchloric acid titration) | ≥ 99.0 % |
Identity | passes test |
Appearance of solution | passes test |
Insoluble matter | ≤ 0.01 % |
pH-value (5 %; water) | 7.0 - 9.2 |
Chloride (Cl) | ≤ 0.002 % |
Phosphate (PO₄) | ≤ 0.001 % |
Sulphate (SO₄) | ≤ 0.003 % |
Heavy metals (as Pb) | ≤ 0.001 % |
Al (Aluminium) | ≤ 0.001 % |
Ca (Calcium) | ≤ 0.005 % |
Cu (Copper) | ≤ 0.0003 % |
Fe (Iron) | ≤ 0.001 % |
K (Potassium) | ≤ 0.05 % |
Mg (Magnesium) | ≤ 0.002 % |
Loss on drying (120 °C) | ≤ 1.0 % |
Corresponds to ACS,Reag. Ph Eur |