Analysis | Batch value | Specifications |
Assay (Acidimetric, on dried sample) | 100,50 % | 98,0 – 100,5 |
Identification | passes test | passes test |
Appearance of solution | clear and colourless | clear and colourless |
pH (5 %, H2O) | 8,98 | 8,5 – 9,6 |
Insoluble matter | < 0,2 % | ≤ 0,2 |
Chlorides (Cl) | < 30 ppm | ≤ 200 |
Carbonate | passes test | passes test |
Fluorides (F) | < 0,001 % | ≤ 0,001 |
Sulfates (SO4) | < 0,0050 % | ≤ 0,1 |
Arsenic (As) | < 1 ppm | ≤ 2 |
Iron (Fe) | 4 ppm | ≤ 10 |
Sodium (Na) | passes test | passes test |
Potassium dihydrogen phosphate | 0,11 % | ≤ 2,5 |
Potassium dihydrogen phosphate and tri-potassium phosphate | passes test | passes test |
Reducing substances | passes test | passes test |
Loss on drying (105 ºC) | 0,01 % | ≤ 1,0 |
Loss on drying (130 ºC) | 0,21 % | ≤ 2,0 |