| Standard | First grade |
|---|---|
| Standard name | AMMONIUM SODIUM HYDROGENPHOSPHATE TETRAHYDRATE |
| Capacity | NET 25kg |
| Appearance | White crystal or crystalline powder |
| Packaging type | Paper bag (outer bag: Craft, inner bag: polyethylene) |
| Item | Standard value | Comment |
|---|---|---|
| Water solubility | Almost clear | |
| Chloride (Cl) | ≦0.005% | |
| Nitrate | pass test | |
| Sulfate (SO4) | ≦0.03% | |
| Heavy metals (as Pb) | ≦0.002% | |
| Iron (Fe) | ≦0.002% | |
| Arsenic (As) | ≦3ppm | |
| fusion test | pass test | |
| Assay | 97.0%～101.0% |
Application example
Phosphorus salt sphere reaction reagent
Handling precautions
Avoid direct sunlight and high temperatures
