Molecular formula: Na2S2O5 1. Industrial grade sodium metabisulfite Quality standard: HG/T2826-1997 Item: high-rate, first-rate Content (based on Na2S2O5): ≥96.0% / 94.0% Iron < (Fe): ≤0.005…
Molecular formula: Na2S2O5 1. Industrial grade sodium metabisulfite Quality standard: HG/T2826-1997 Item: high-rate, first-rate Content (based on Na2S2O5): ≥96.0% / 94.0% Iron < (Fe): ≤0.005% / 0.010% Insoluble substance in water: ≤0.05 / 0.05 Arsenic (based on As): ≤0.0001% 2. Foo
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