Di-Ammonium Phosphate Specification
| Description |
White Crystal |
| Assay |
99.6% |
| pH (5% solution) |
8.0 |
| Solubility (10%w/v, water) |
Clear and colorless |
| Chloride (Cl) |
0.001% |
| Sulfate(SO4) |
0.005% |
| Iron (Fe) |
0.0005% |
| Lead (Pb) |
0.001% |
Mono Ammonium Phosphate (Extra
Pure Grade) Specification
| Product Name |
Mono ammonium Phosphate (extra
pure grade) |
| Formula |
NH4 H2 PO4 |
| Molecular Weight |
115 |
| Apperance |
White Crystals |
| Minimum Assay % |
99 |
| P2O5 Content |
61 |
| pH of 5% Solution
|
4.0 - 4.5 |
| Maximum Limit of
Impurities |
Within Limits |
Trisodium Phosphate (LR
Grade) Specification
| Product Name |
Trisodium Phosphate |
| Formula |
Na3 PO4
12H2O |
| Molecular Weight |
393.3 |
| Appearance |
White Crystals |
| Minimum Assay % |
99 |
| P2O5
|
18.3 |
| pH (5% Solution)
|
11.5 - 12.5 |
| Maximum Limits Of
Impurities (%) |
Within limits |
| Chloride |
0.01 |
| Sulphate |
0.01 |
| Iron |
0.04 |
| Lead |
- |