Specifications |
Appearance |
White crystalline powder |
Assay (after ingnition) |
Min 99.5% |
Identity |
Passes test |
Appearance of solution |
Passes test |
Acidity or alkalinity |
Passes test |
pH of 5% solution |
5.0 - 8.0 |
Insoluble matter
|
Max 0.005% |
Bromide (Br) |
Max 0.005% |
Iodide (I)
|
Max 0.001% |
Ferrocyanide (Fe(CN)6) |
Max 0.0001% |
Chlorate and Nitrate (NO3) |
Max 0.003% |
Nitrite (NO2) |
Passes test |
Phosphate (PO4)
|
Max 0.0005% |
Sulphate |
Max 0.001% |
Total Nitrogen (N) |
Max 0.0005% |
Heavy metals (as Pb) |
Max 0.0005% |
Arsenic (As) |
Max 0.00004% |
Barium (Ba) |
Max 0.001%
|
Calcium (Ca) |
Max 0.002% |
Copper (Cu)
|
Max 0.0002% |
Iron (Fe) |
Max 0.0002% |
Magnesium (Mg) |
Max 0.001% |
Magnesium and alkali earth metals (as Ca) |
Max 0.01% |
Potassium (K) |
Max 0.005% |
|
Packings |
00500 500 g
|
|
05000 5000 g |
|
0025K 25 Kg |
|
0050K 50 Kg |
|
|