97% Industry Grade Sodium metabisulphite 1.Purity:97% 2.Color:White crystalline 3.CAS No.: 7681-57-4 4.EINECS No.: 231-673-0 97% Industry Grade Sodium metabisulphiteDetailed description1,Specification For Food Grade and Industry Grade:ItemQuality IndexFood GradeIndustry GradePurity(As Na2S2O5)98.0%min96.0%minSulfur Dioxide(SO2)65.0%min65.0%minArsenic(As)0.0002%max-Heavy metals(As Pb)0.0005%max- ...
