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Sodium Thiosulphate

Sodium Thiosulfate Anhydrous Specifications

Formula (Na2) S2O3
Molecular Weight 158
Assay as (Na2)S2O3 98 % Min.
10% solution in water Clear
Description White powder free from foreign particles.
pH of 10 % Solution 6.5 To 8.5
Sulphites & Sulphates 0.5% maximum
Iron Less than 10 ppm
Heavy Metals Less than 10 ppm
Standard Packing 25 Kg. / 50 Kg/55lbs. HDPE Bag with extra liner inside or in Jumbo bags or as required by the buyer.

We can give both the grades Pentahydrate and Anhydrous. We can give the technical grade small crystals and large crystals too.