Customization: | Available |
---|---|
CAS No.: | 7783-20-2 |
Certification: | ISO9001, ISO |
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Item | Technical Data |
Appearance | White crystal |
N | 21.0%min |
S | 24.0%min |
Water | 0.2%max |
Free acid | 0.03%max |
Fe | 0.007%max |
As | 0.00005%maxng |
Heavy metal(Pb) | 0.005%max |
Water insolubles | 0.01%max |
Parameters | Standard (GB535-1995) |
Test Result |
Appearance | no visible mechanical impurity |
no visible mechanical impurity |
Nitrogen (N)content% ≥ | 20.5 | 20.8 |
Moisture (H2O),% ≤ | 1.0 | 0.7 (dry basis) |
Free acidity(H2SO4),% ≤ | 0.2 | 0.18 |
ITEM | SPECIFICATIONS(industrial grade) | Result of Analysis |
Appearance | White crystal | White crystal |
N Content % ≥ | 21.00% | 21.70% |
Water(H2O) % ≤ | 0.30% | 0.22% |
Free acid (H2SO4)Content % ≤ | 0.05% | 0.005% |
FE % ≤ | 0.007% | Pass Test |
AS % ≤ | 0.00005% | Pass Test |
Heavy Metal(AS PB)% ≤ | 0.005% | Pass Test |