Agriculture Ammonium Sulphate Powder Particles Crystal Ammonium Sulfate 21 Lawn Fertilizer
Ammonium sulfate (chemical formula: (NH₄)₂SO₄) is an inorganic salt compound commonly known as sulfur ammonium. At room temperature, it appears as colorless rhombic crystals, with industrial products typically being small white or slightly yellow granules. Some by-products may exhibit a slight blue or dark brown coloration.
Key characteristics:
- Molecular weight: 132.14
- Relative density: 1.77
- Melting point: 280°C (decomposition)
- Highly soluble in water, insoluble in ethanol
- Aqueous solution is acidic (pH = 5.5 at 0.1 mol/L)
- Hygroscopic properties with tendency to form lumps
| TEST ITEMS | TEST STANDARD Ⅰ | TEST STANDARD Ⅱ |
|---|---|---|
| N/% ≧ | 20.5 | 19 |
| S/% ≧ | 24 | 21 |
| H2SO4/% ≦ | 0.05 | 0.2 |
| H2O/% ≦ | 0.5 | 2 |
| Water insoluble matter/% ≦ | 0.5 | 2 |
| CL-/% ≦ | 1 | 2 |
Ammonium sulfate serves multiple industrial and agricultural purposes:
- High-quality nitrogen fertilizer (21% nitrogen content) suitable for most crops and soil types
- Promotes vigorous growth of branches and leaves, improves fruit quality and yield
- Can be used as base fertilizer, top dressing, and seed fertilizer
- Essential in rare earth element mining (5 tons required per 1 ton of rare earth ore)
- Used in pharmaceutical salting-out processes and yeast cultivation
- Applications in welding fluxes, textile fire retardants, food coloring catalysts
- Used in acid dye assistant, leather deashing, beer brewing, and battery production
Shandong Jiuchong Chemical Co., Ltd. is located in Weifang City, Shandong Province, China. Since 2010, we have served 268 customers from 48 countries and regions, earning trust through competitive pricing, product quality, and reliable delivery.
We provide one-stop procurement services in China and establish cooperative, win-win relationships with our clients.
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