Specifications | |
---|---|
Assay (complexometric) | 99.0 - 102.0 % |
Identity | passes test |
Appearance of solution | passes test |
Insoluble matter | ≤ 0.01 % |
Acidity or alkalinity | passes test |
pH-value (5 %; water, 25 °C) | 4.5 - 8.5 |
Sulphate (SO₄) | ≤ 0.005 % |
Heavy metals (as Pb) | ≤ 0.0005 % |
Al (Aluminium) | ≤ 0.0001 % |
Ba (Barium) | ≤ 0.003 % |
passes test | |
Cu (Copper) | ≤ 0.0005 % |
Fe (Iron) | ≤ 0.0003 % |
K (Potassium) | ≤ 0.01 % |
Mg (Magnesium) | ≤ 0.005 % |
Na (Sodium) | ≤ 0.01 % |
NH₄ (Ammonium) | ≤ 0.005 % |
Sr (Strontium) | ≤ 0.05 % |
Magnesium and alkali metals | ≤ 0.5 % |
Oxidizing substances (as NO₃) | ≤ 0.003 % |
Corresponds to ACS, Reag. Ph Eur |