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sodium sulphite Features:
Sodium sulfite (sodium sulphite) is a soluble compound of sodium. It is a product of SO2 scrubbing, a part of the flue gas desulfurization process. It is also used as a preservative to prevent dried fruit from discoloring, and for preserving meats, and is used in the same way as sodium thiosulfate to convert elemental halides to their respective acids, in photography and for reducing chlorine levels in pools.
sodium sulphite Application:
Sodium sulfite is primarily used in the pulpor paper industry. It is used in water treatment as an oxygen scavenger agent, in the photographic industry to protect developer solutions from oxidation and (as hypo clear solution) to wash fixer (sodium thiosulfate) from film and photo-paper emulsions, in the textile industry as a bleaching, desulfurizing and dechlorinating agent and in the leather trade for the sulfitization of tanning extracts. It is used in the purification of TNT for military use. It is used in chemical manufacturing as a sulfonation and sulfomethylation agent. It is used in the production of sodium thiosulfate. It is used in other applications, including ore flotation, oil recovery, food preservatives, making dyes, and detergent. It forms a bisulfite adduct with aldehydes, and with ketones forms a sulfonic acid. It is used to purify or isolate aldehydes and ketones.
sodium sulphite Specification:
Sodium nitrite 99%min
Moisture: 1.5-2.0% max.
Choridum (NaCl) content (as dry basis) : 0.17% max.
Water insoluble content (as dry basis) : 0.06% max.
Sodium nitrate content (as dry basis) : 1.00% max.
sodium sulphite Packing:
sodium sulphite is packed in 25/50kg PP woven bag with PE liner inside or the demanding of customer