Natriumsulfit

Standard: HG/T2967-2000 Property:white crystal or crystalline powder. specification of Sodium sulfite ITEMSUPER FIRSTQUALIFIEDPURITY (Na2CO3)97.0%MIN.96% MIN.. 93.0%MIN.Fe0.003%MAX.0.005%MAX.0.02%maxWATER INSOLUBLES0.02%MAX0.03% MAX.0.05%MAX.FREE ALKAL0.10%MAX. 0.40% MAX.0.60%MAX.NaCL0.10%MAX.--Na2SO4USE: It is Used as a desoxydating or bleaching agent for printing and dyeing industry. As a developer for photographic industry. As a lignin-removing agent for paper industry. As a stabilizer for syntheticfiber for textile industry. As a reducing agent for chemical industry, or for electroplanting industry etc.