Specifications | |
---|---|
Assay (acidimetric) | 70.0 - 72.0 % |
Identity | passes test |
Density (d 20/20) | approx. 1.7 |
Colour | ≤ 10 Hazen |
Chlorate (ClO₃) | ≤ 10 ppm |
Chloride (Cl) | ≤ 3 ppm |
Free chlorine (Cl) | ≤ 0.5 ppm |
Phosphate and Silicate (as SiO₂) | ≤ 5 ppm |
Sulphate (SO₄) | ≤ 10 ppm |
Total nitrogen (N) | ≤ 10 ppm |
Heavy metals (as Pb) | ≤ 1 ppm |
Ag (Silver) | ≤ 0.1 ppm |
Al (Aluminium) | ≤ 0.05 ppm |
As (Arsenic) | ≤ 0.05 ppm |
Ba (Barium) | ≤ 0.02 ppm |
Be (Beryllium) | ≤ 0.02 ppm |
Bi (Bismuth) | ≤ 0.1 ppm |
Ca (Calcium) | ≤ 0.5 ppm |
Cd (Cadmium) | ≤ 0.05 ppm |
Co (Cobalt) | ≤ 0.05 ppm |
Cu (Copper) | ≤ 0.1 ppm |
Fe (Iron) | ≤ 1.0 ppm |
Ge (Germanium) | ≤ 0.05 ppm |
K (Potassium) | ≤ 0.1 ppm |
Li (Lithium) | ≤ 0.02 ppm |
Mg (Magnesium) | ≤ 0.5 ppm |
Mn (Manganese) | ≤ 0.02 ppm |
Mo (Molybdenum) | ≤ 0.05 ppm |
Na (Sodium) | ≤ 0.5 ppm |
Ni (Nickel) | ≤ 0.1 ppm |
Pb (Lead) | ≤ 0.05 ppm |
Sr (Strontium) | ≤ 0.02 ppm |
Ti (Titanium) | ≤ 0.1 ppm |
Tl (Thallium) | ≤ 0.05 ppm |
V (Vanadium) | ≤ 0.05 ppm |
Zn (Zinc) | ≤ 0.1 ppm |
Zr (Zirconium) | ≤ 0.1 ppm |
Residue on ignition (as sulphate) | ≤ 0.003 % |
conforms to ACS, ISO, Reag. Ph Eur |