Assay (GC) | ≥99.5 % |
Colour (Hazen) | ≤10 |
Water | ≤0.1 % |
Acidity | ≤0.0008 meq/g |
Density (d 20 °C/4 °C) | 0.898-0.902 |
Matter discoloured by H2SO4 | complies |
Evaporation residue | ≤0.001 % |
Ethanol (GC) | ≤0.1 % |
Methanol (GC) | ≤0.1 % |
Methyl acetate (GC) | ≤0.1 % |
Lead (Pb) | ≤0.00001 % |
Cadmium (Cd) | ≤0.000005 % |
Calcium (Ca) | ≤0.00005 % |
Chromium (Cr) | ≤0.000002 % |
Iron (Fe) | ≤0.00001 % |
Cobalt (Co) | ≤0.000002 % |
Copper (Cu) | ≤0.000002 % |
Magnesium (Mg) | ≤0.00001 % |
Manganese (Mn) | ≤0.000002 % |
Nickel (Ni) | ≤0.000002 % |
Zinc (Zn) | ≤0.00001 % |