ItemStandard Results
Appearance white crystal white crystal
Content ≥99.0 99.5
Melting point, oC72-7673-76
Insoluble ≤ 0.05% ≤ 0.02%
Combustion residue ≤ 0.05% ≤ 0.02%
Moisture ≤ 0.05% ≤ 0.02%
25 oC, 10% aqueous solution of the PH value of7.20-9.70 8.20
12% aqueous solution Chroma ≤ 10 8
Chloride ion, ppm ≤ 5 pass
Sulfuric acid fluoride ion, ppm ≤ 5Pass
Sulfide, ppm ≤ 20Pass
Silicon ions, ppm ≤ 10 Pass
Cu, ppm≤ 1 Pass
The total content of heavy metal ions, ppm ≤ 10 pass
1, methyl hydrazine (alias: Carbazide methyl ester, methoxy-formyl hydrazine)
2, packing: 25 kg paper drum.
Third, ex-factory price: 70000 yuan / ton.