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| Customization: | Available |
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| CAS No.: | 7722-76-1 |
| Formula: | Nh4h2po4 |
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| Item | industry standard | Enterprise internal control index. |
actual target |
| Appearance | White Crystals | ||
| Main contents (as NH4H2PO4) w/%≥ | 98.5 | 99 | 99.74 |
| Phosphorus pent oxide (AS P2O5) w/%≥ | 60.8 | 61 | 61.51 |
| Nitrogen (as N) w/%≥ | 11.80 | 11.9 | 12.09 |
| Arsenic (As) w/%≤ | 0.005 | 0.0003 | 0.0001 |
| Fluoride (as F)w/%≤ | 0.02 | 0.005 | 0.0009 |
| sulphate (as SO4) w/%≤ | 0.9 | 0.005 | 0.001 |
| Moisture w/%≤ | 0.50 | 0.1 | 0.07 |
| Water Insoluble w/%≤ | 0.10 | 0.1 | 0.005 |
| PH (1% solution) | 4.2~4.8 | 4.2~4.8 | 4.41 |
