CAS Number
7778-77-0
Formula
KH2PO4
Weight
M: 136,09 EC: 231-913-4 NC: 2835 24 00
| Assay (as KH2PO4) after drying, not less than | 98,0 % |
| Appearance | p/t |
| Identity: | |
| Phosphate | p/t. |
| Potassium | p/t. |
| pH of 1% solution | 4,2-4,8 |
| Arsenic (as As), not more than | 3 ppm |
| Fluoride, not more than | 10 ppm |
| Insoluble substances as an. subs., not more than | 0,2 % |
| P2O5 content | 51,0-53,0 % |
| Loss on drying, not more than | 1 % |
| Cadmium (Cd), not more than | 1 ppm |
| Lead, not more than | 2 ppm |
| Mercury (Hg), not more than | 1 ppm |
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