ویژگیها | |
---|---|
Assay (alkalimetric) | 99.5 - 100.5 % |
Identity | passes test |
Appearance of solution | passes test |
pH-value (3.3 %, water) | 3.8 - 4.8 |
Chloride (Cl) | ≤ 0.0003 % |
Phosphate (PO₄) | ≤ 0.0005 % |
Sulphate (SO₄) | ≤ 0.0005 % |
Solubility in ethanol | passes test |
In methanol insoluble matter | ≤ 0.005 % |
Heavy metals (as Pb) | ≤ 0.0005 % |
Ca (Calcium) | ≤ 0.002 % |
Fe (Iron) | ≤ 0.0001 % |
Pb (Lead) | ≤ 0.001 % |
Organic impurities | passes test |
Nonvolatile with methanol | ≤ 0.05 % |
Corresponds to ACS,ISO,Reag. Ph Eur |