- Description
Nitrogen fertilizer Ammonium sulphate granular N 21%
Nitrogen fertilizer Ammonium sulphate granular N 21%
CAS No.:7783-20-2
EINECS No.: 231-984-1
MF: (NH4)2.SO4
Purity: N ≥21%
Place of Origin: China (Mainland)
Appearance: Appearance colorless transparent, translucent, block or crystalline powder
Nature:
1. Odourless, taste sweet and acidity.
2. Soluble in water, soluble in glycerin slowly.
3. There are strong convergence.
Quality index:
Premium grade | First grade | Conforming product | |
Appearance | White or off-white granule crystal | ||
N content (dry basis)% ≥ | 21.0 | 21.0 | 20.5 |
Water(H2O)content%≤ | 0.2 | 0.3 | 1.0 |
Free acid(H2SO4)%≤ | 0.03 | 0.05 | 0.20 |
(Arsenic As)content%≤ | 0.00005 | — | — |
Heavy metal(pb)% ≤ | 0.005 | — | — |
(Iron Fe)content%≤ | 0.007 | — | — |
Insoluble substance in water %≤ | 0.01 | — | — |