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描述
Product Description
Sodium thiosulphate
Molecule Formula: Na2S2O3@5H2O
Molecular Weight: 248
CAS No.: 7772-98-7
Property: Colorless, transparent single oblique crystals, specific gravity: 1.729. It's soluble in water easily, with strong reducing property.
Specification:
Tech Grade Photo Grade
Na2S2O3@5H2O 99.0% Min
Insoluble matter in water 0.01% Max
Na2S 0.001% Max
Fe 0.002% Max
pH value (200g/L solution) 6.5-9.5
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Sodium Thiosulphate