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連絡先担当者 Ms. selena
jiaotong, Cangzhou, Hebei
Description: Sodium metabisulfite *4% min SMBS Another name: Sodium pyrosulfite Sodium metabisulphite Formula: Na2S2O5 CAS No.: ********4 Usage: Sodium metabisulphate (SMBS) is used as a food additive, leaching agent for textile fibres; Colors stripper and dechlorination; Preparation of Indigo Vat Dye; No. Specifications Industrial Grade Food Grade 1 Na2S2O5%≥ *6.0 *8.0 2 SO2%≥ *4.0 *4.0 3 Iron(Fe)%≤ 0.**5 0.**5 4 Water insolubles%≤ 0.*5 0.*5 5 PH 4.**4.6 4.**4.6 6 Arsenic(As)%≤ 0.*1 0.**2% 7 Heavy metals, as Pb %≤ 0.**2%
