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Leather & Tannery
Ammonium Sulphate
AMMONIUM THIOCYANATE
Production information
| PROPERTIES & USAGE | ||
| Properties | Usage | |
| Chemical formula | (NH4)2SO4 | Laboratory use |
| Molar mass | 132.14 g/mol | Food additive |
| Density | 1.769 g/cm3 (20 °C) | |
| Melting point | 235 to 280 °C (455 to 536 °F; 508 to 553 K) (decomposes) | |
| SPECIFICATION | ||||
| Specification | Steel Grade Powder | Caprolactam Grade | Crystal 1-2mm | |
| Size | mm | 0-1 | 0-4; 2-4; 0-2; 1-2; 0-1 | 1-2mm Crystal |
| Free Acid (H2SO4) % | % max | 0.2% min | 0.03 | ≤ 0.03 |
| Moisture | % max | 1 | 0.2 | ≤ 0.5 |
| Nitrogen Content | % min | 20.5% min | 21 | ≥ 21 |
| Appearance | White or off white granular | Achromatous Crystalline | ||
| Arsenic (As) | % max | 5E-05 | ||
| Heavy Metals | % max | 0.005 | ||
| Iron(Fe) | % max | 0.007 | ||
| Water-insoluble Matters | % max | 0.01 | ||
| Color | White/Yellowish | |||
| Sulfur (S) % | ≥ 23.5 | |||