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Sodium Thiosulphate
Specification Compound Specification Result Sodium Thiosulfate (Na2S2O3.5H2O) mass fraction /% ≥98.0 98.85 Mass fraction of water insoluble substance /% ≤0.03 0.03 Mass fraction of sulfide (calculated as Na2S) /% ≤0.003 0.003 Iron (Fe) mass fraction)/% ≤0.003 0.003 …
