tianjin huizhong chem

manufacture(1)

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sodium sulphite
Specification: 98%min
Detail: White or light yellow powder, relative condense 2.633 in moist. It dissolves in water and glycerine and little in ethanol. Decomposed in humid, oxygenized into sodium sulfate by exposed in air, sulpher dioxide will be released...

sodium bisulphite
Specification: 95% min
Detail: White single crystal powder, relative condense 1.48 with strong smell of sulfher dioxide in moist and no smell in drying. It dissolves in water and little in ethanol, oxygenized easily by exposed in the air. Application ...

sodium metabisulphite
Specification: TECH & FOOD GRADE
Detail: Specification: (10 ppm = 0.001%) Index Specification Test Result Assay: 97.0% Min 97.5% SO2: 65.0% Min 65.9% Na2SO3: 2.0% Max 1.5% PH Value (1%): 4.0 ¨C 4.6 4.5 Iron (Fe)...


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