Description
Specification:
| ITEM | STANDARD |
| Sodium Hydrosulphite | 90% min |
| Water insoluble | 0.1% max |
| Sodium thiosulfate: Na2S2O3 | 1.3% max |
| Sodium metabisulfite: Na2S2O5 | 5-7 |
| Sodium bisulfite:NaHSO3 | 0.5% max |
| Sodium carbonate: Na2CO3 | 0.6-2% max |
| Sodium formate: HCOONa | 0.5% max |
| Zn | 0.0001% max |
| Fe | 0.003% max |
Properties: The bulk specific weight is 0.7-1.0g/m3 , dissolve in water, slightly dissolve in ethanol. Give off heat and cause combustion easily. Spontaneous decomposition occurs when the temperature is higher than 85℃, heats up to 190℃cause detonation. Self-ignition point is 250℃.
Usage: strength oxidant and is used as bleaching agent for textile and papermaking industry, as synthetic for medicine-making, as absorbent for analysis chemical, and as flotation agent of nonferrous color metal for metallurgical industry
Grade: Food grade, Industrial grade
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