Anhydrous sodium sulfite 1.Both food & tech grade 2.High quality 3.Competitive price &Good service 4.Prompt delivery Specification of the Anhydrous Sodium Sulfite1,Molecular formula : Na2SO32,Molecular weight : 126.043,Appearance : white crystalline powder4,Main content :97%,96%,93%5,Competitive price,6,Pass ISO, producing under strict inspection6,Annuual production:20,000mt Quality standard : Q/ ...