વિશેષતા
1.Purity:90%, 93% , 96%
2.CAS ના.:7757-83-7
3.MF:Na2SO3
4.દેખાવ: white crystal powder
5.HS CODE: 28321000
6.Mol wt : 126.04
7. પેકેજ
Sodium sulfite is packed in net weight 25kg plstic woven bag with plastic inner bag. or as customers' request 25tons/20'FCL.
અરજી:
Bleaching agent for paper pulps, Waste water treatment, Bleaching agent for mining industry, Colors stripper and deoxidization, Auxiliaryn Chemical in tanning process
એપ્લિકેશન
1. It is used in the production of sulfur dyes in the dye industry, and is the raw material of sulfur blue .
2. also is used as a stain aid for dissolving sulfur dyes in the printing and dyeing industry .
3. for the hydrolysis of raw hide hair removal in the leather industry ,but also for the preparation of sodium polysulfide to speed up the dry skin soft water to help .
4. It is used as cooking agent in paper industry .
5. as rayon denitration and reduction of nitrate content in the textile industry .
6. Also it is the raw material of sodium thiosulfate ,sodium polysulfide ,sulfur dyes and other materials.
તરફથી
વસ્તુ | સ્પષ્ટીકરણ | ||||
પ્રથમ પ્રકાર | બીજો પ્રકાર | ||||
પ્રીમિયમ ગ્રેડ | પ્રથમ ગ્રેડ | લાયક ઉત્પાદન | પ્રીમિયમ ગ્રેડ | પ્રથમ ગ્રેડ | |
Content (Na2S)% ≥ | 60.0 | 60.0 | 60.0 | 60.0 | 60.0 |
Na2SO3 % ≤ | 1.0 | - | - | - | - |
Na2S2O3% ≤ | 2.5 | - | - | - | - |
Fe% ≤ | 0.0020 | 0.0030 | 0.0050 | 0.015 | 0.030 |
Water insoluble matter% ≤ | 0.05 | 0.05 | 0.05 | 0.15 | 0.20 |
Na2CO3% ≤ | 2.0 | - | - | 3.5 | - |