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                  Sodium sulfite

                  【English name】:Sodium sulfite
                  【Synonym】:Sulfur oxide, sodium sulfite
                  【CAS】: 7757-83-7
                  【Molecular formula】:Na2SO3
                  【Molecular weight】:126.03
                  【Index】:

                  Fine anhydrous sodium sulfite

                  Index
                  First grade

                  Sodium sulfite(Na2SO3), % ≥

                  96.0

                  (Fe), ‰ ≤

                  0.0+86-5

                  Water insoluble, % ≤

                  0.03

                  Free alkali(Na2CO3), %≤

                  0.4

                  Rough sodium sulfite

                  Index

                  Qualified product

                  Appearance

                  Grey powdery

                  Sodium sulfite, %     ≥

                  65~70

                  Sodium sulfate, %      ≤

                  10

                  Water, %        ≤

                  20~15

                  Other, %            ≤

                  5

                  【Packing】:Fine anhydrous sodium sulfite in plastic woven bag, nwt 50kg/bag, Rough sodium sulfite plastic woven bag, nwt 40kg/bag.
                  【Use】:Fine sodium sulfite is used in the pharmaceutical industry, dyes and production of paper making, tanning, dyeing and printing industry and food and so on. Sodium sulfite crude is used in paper making, cement production, such as water-reducing agent.

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