CAS No.: | 7783-28-0 |
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Formula: | (Nh4)2hpo4 |
Certification: | ISO |
Purity: | ≥99% |
Grade Standard: | Food Grade |
Specification: | 25 kgs bag, 1000 kgs, 1100 kgs, 1200 kgs jumbo bag |
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No. | Specifications | National Standard | Ronghong Standard |
1 | Assay % ≥ | 96.0-102.0 | 99 Min |
2 | Phosphorus pentoxide% ≥ | / | 53 Min |
3 | Nitrogen, as N % ≥ | / | 20.8 Min |
4 | PH value (10g/L solution) | 7.6-8.2 | 7.6-8.2 |
5 | Moisture % ≤ | / | 0.2 |
6 | Heavy metals, as Pb %≤ | 0.001 | <0.001 |
7 | Arsenic, as As% ≤ | 0.0003 | 0.0001 |
8 | Fluoride as F% ≤ | 0.001 | <0.0001 |
9 | Water insoluble % ≤ | / | 0.10 |
10 | Sulfates(SO4) % ≤ | / | <0.01 |
11 | Chlorides as Cl %≤ | / | <0.0001 |
12 | Sulphoric Acid %≤ | / | / |
13 | Oxalic Acid,%≤ | / | / |
14 | Iron %≤ | / | <0.0004 |
15 | Lead %≤ | 0.0004 | <0.0002 |
16 | Mercury %≤ | / | / |
17 | INSOLUBLE MATTER | / | NIL |
18 | Sulfur Ash %≤ | / | <0.005 |
19 | Phosphorous acid g/kg | / | <0.01 |
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