Sodium metabisulfite
Test items Refined High-purity grade Food-grade Industrial-grade
Sodium metabisulfite % ≥ 98.5 98 97.5 97.0
Iron Fe % ≤ 0.0005 0.001 0.0015 0.002
Water insoluble matter % ≤ 0.005 0.01 0.02
Arsenic As % ≤ 0.00005 0.0001 0.0001 0.0001
Definition Clarification Clarification Clarification
Lead Pb % ≤ 0.00005 0.0005 0.0002
NaCl % ≤ 0.012
pH value ≤ 4.0-4.6
Packaging: 25kg、50kg、1000kg Weaving.
Send product request
Other supplier products
 |
Potassium dichromate | Item Index Potassium dichromate （K2Cr2o7） % ≥ 99.7 Chlorides (Cl)% ≤ 0.05 Insoluble ≤ 0.02 Sulfates ( SO4-2) % ≤ 0.02 Na+ % ≤ 0... |
 |
Zinc phosphate | Project Medicine raw material special-purpose Feed additive special-purpose Sweetening agent special-purpose Rubber special-purpose Paint special-p... |
 |
Hydrochloric acid | Item Index Total acidity（HCI） ≥ 31.0 Iron（Fe） ≤ 0.002 Residue on ignition ％ ≤ 0.05 Free chlorine（CI）％ ≤ 0.004 Arsenic(As)％ ≤ 0.... |
 |
Zinc sulfate | zinc sulfate monohydrate Zinc sulfate heptahydrate Molecular Formula: ZnSO4 .H2O Molecular Formula:ZnSO4 .7H2O HG2934-2000 HG/T 2326-2005 CAS... |
 |
Methylene Chloride | Test items Index Methylene Chloride % ≥99.95 Water % ≤0.01 Acid (HCl) % ≤0.0004 Chromaticity Hazen Unit（Pt-Co Color） ≤10 Residue a... |
