Specification Test Results
|
Assay |
Min. 98.0 % |
|
Appearance |
Colourless crystals |
|
pH (25°C; 5 %) |
6.7 - 7.3 |
|
Heavy metals (as Pb) |
Max. 2 ppm |
|
Ignition residue (SO4) |
Max. 100 ppm |
|
Insolubility in water |
Max. 50 ppm |
|
Substances reducing KMnO4 (as HCOOH) |
Max. 50 ppm |
|
Water |
Max. 2.0 % |
|
Cl (Chloride) |
Max. 5 ppm |
|
NO3 (Nitrate) |
Max. 10 ppm |
|
SO4 (Sulphate) |
Max. 10 ppm |
|
Ca (Calcium) |
Max. 10 ppm |
|
Cd (Cadmium) |
Max. 0.5 ppm |
|
Cu (Copper) |
Max. 0.5 ppm |
|
Fe (Iron) |
Max. 2 ppm |
|
Ni (Nickel) |
Max. 0.5 ppm |
|
Pb (Lead) |
Max. 0.5 ppm |
|
Zn (Zinc) |
Max. 0.5 ppm |
|
Conforms to ACS |
Passes test |
|
Conforms to Reag. Ph.Eur. |
Passes test |
|
Conforms to Reag. Ph.Eur. |
Passes test |
