Products Description
Ammonium alum is an inorganic substance with the molecular formula of NH4Al (SO4) 2 12H2O. It is soluble in water and glycerin, more soluble in boiling water, acidic in aqueous solution and insoluble in ethanol.
Properties: colorless glassy octahedral crystal to white particles or powder, odorless and slightly sweet, with strong convergence.
Uses: baking powder processing, fried food, jellyfish flooding, vermicelli processing, fruit and vegetable preservation and crispness, color protection, water purification and environmental protection, disinfection, rubber processing, leather making, washing powder processing, feed processing, pencil making.Used as water purifying agent, mordant, paper sizing agent, medicine, baking powder, tanning leather, food additive, etc.
Features: High whiteness, high fineness, high content, no caking for a long time, which provides convenience for users to make and process.
Product Parameters
Standard No. of Ammonium Alum:GB1886.342-2021
| Items | Specifications | |
| Standard indicators | Lotus alum Test results | |
| Aluminium ammonium sulfate [NH4Al(SO4) 2.12 H2O]% |
99.5-100.5 | 99.5-100.5 |
| Heavy metals (as Pb) mg/kg≤ | 20 | <20 |
| Water Insoluble %≤ | 0.2 | 0.15 |
| Plumbum(Pb) mg/kg ≤ | 5.0 | 0.05 |
| Arsenic (As) mg/kg ≤ | 2.0 | 0.28 |
| Fluorine (F) mg/kg ≤ | 30.0 | 0.87 |
| Selenium (Se) mg/kg ≤ | 30.0 | <30 |
| Moisture %≤ | 4.0 | <4.0 |
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