Specifications | |
---|---|
Assay (argentometric) | ≥ 99.5 % |
Assay (argentometric; calculated on dried substance) | 99.0 - 100.5 % |
Identity | passes test |
Appearance of solution | passes test |
Acidity or alkalinity | passes test |
pH-value (5 %; water) | 5.0 - 8.0 |
Insoluble matter | ≤ 0.005 % |
Bromide (Br) | ≤ 0.005 % |
Chlorate and Nitrate (as NO₃) | ≤ 0.003 % |
Hexacyanoferrate II | ≤ 0.0001 % |
Ferrocyanides | passes test |
Iodide (I) | ≤ 0.001 % |
passes test | |
Nitrite (NO₂) | passes test |
Phosphate (PO₄) | ≤ 0.0005 % |
Sulphate (SO₄) | ≤ 0.001 % |
Total nitrogen (N) | ≤ 0.0005 % |
Heavy metals (ACS) | ≤ 0.0005 % |
As (Arsenic) | ≤ 0.00004 % |
Ba (Barium) | passes test |
≤ 0.001 % | |
Ca (Calcium) | ≤ 0.002 % |
Cu (Copper) | ≤ 0.0002 % |
Fe (Iron) | ≤ 0.0001 % |
K (Potassium) | ≤ 0.005 % |
Mg (Magnesium) | ≤ 0.001 % |
Calcium, Magnesium and R₂O₃-precipitate | ≤ 0.005 % |
Magnesium and alkaline-earth metals (as Ca) | ≤ 0.0100 % |
Loss on drying (105 °C, 2 h) | ≤ 0.5 % |
Corresponds to ACS,ISO,Reag. Ph Eur |