sodium sulphite sodium sulfite anhydrous sodium sulfite sodium sulfite anhydrous
Cas No.: 7757-83-7
Solubility: it is easy to dissolve in water.
|NA2SO3 CONTENT||97.0 %MIN||97.55%|
|SODIUM SULPHATE :||2.5%MAX||1.72%|
|SODIUM CHLORIDE (NACL):||0.10%MAX||0.05%|
|IRON (FE) :||0.002%MAX||0.002%|
|WATER INSOLUBLE :||0.02%MAX||0.01%|
|FREE ALKALI (AS NA2CO3) :||0.10%MAX||0.04%|
|HEAVY METALS (AS PB) :||0.005%MAX||0.001%|
|ARSENIC (AS) :||0.0002%MAX||0.0002|
1. For the preparation of a trace analysis of tellurium and determination of niobium and developing, also used as a reducing agent.
2.For synthetic fiber fabric bleaching agent, stabilizer, photographic developer, dye bleaching deoxidizer, perfume and dye reduction agent, lignin removal agent.
3. Used as ordinary analytic reagent and photosensitive resistance materials.
4. Reductive bleaching agent, the food has strong inhibitory effects on plant food bleaching effect and the oxidase.
5.For a variety of cotton fabric scouring of cotton fiber, can prevent local oxidation and influence of fiber strength, and improve the whiteness of boiling.
6.In food industry,it used as a bleaching agent, preservative, osteoporosis agent, antioxidant.
7.It used in the production of sulfite cellulose ester, sodium thiosulfate, organic chemicals, such as bleaching fabrics
25/50/1000kg plastic woven bags with shrink film, or according to your requirements.