CAS Number
7783-20-2
Formula
(NH4)2SO4
Weight
M: 132,14 EC: 231-984-1 NC: 3102 21 00
| Minimum assay (Acidim.) | 99,0 % |
| pH of 5% solution | 5,0-6,0 |
| MAX. IMPURITIES | |
| Insoluble matter in H2O | 0,005 % |
| Loss on drying at 100°C | 0,1 % |
| Residue on ignition (as SO4) | 0,005 % |
| Chloride (Cl) | 0,0005 % |
| Phosphate (PO4) | 0,0005 % |
| Nitrate (NO3) | 0,001 % |
| Heavy metals (as Pb) | 0,0005 % |
| As | 0,00002 % |
| Metals by ICP [mg/Kg (ppm)] | |
| Ag | 5 |
| Al | 5 |
| Au | 5 |
| B | 5 |
| Be | 5 |
| Bi | 5 |
| Ca | 20 |
| Cd | 5 |
| Co | 5 |
| Cr | 5 |
| Cu | 5 |
| Fe | 5 |
| Ga | 5 |
| Ge | 5 |
| Hg | 5 |
| In | 5 |
| K | 50 |
| Mg | 20 |
| Mn | 5 |
| Mo | 5 |
| Na | 50 |
| Ni | 5 |
| Pb | 5 |
| Pt | 5 |
| Sb | 5 |
| Si | 5 |
| Sn | 5 |
| Sr | 5 |
| Ti | 5 |
| Tl | 5 |
| V | 5 |
| Zn | 5 |
| Zr | 5 |
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