Sodium Thiosulphate

Sodium ThiosulphateSodium thiosulfate (Na2S2O3), also spelled Sodium thiosulphate, or thiosulphate, anhydrous sodium thiosulfate is a colorless crystalline compound that is more familiar as the Sodium thiosulfate pentahydrate, Na2S2O3•5H2O. Sodium thiosulfate or Sodium thiosulphate is an efflorescent, monoclinic crystalline substance also called sodium hyposulfite or “hypo”.

Sodium thiosulfate can be classifed as:

Anhydrous sodium thiosulfate

Sodium thiosulfate pentahydrate

Application: Iodometry, Gold extraction, Analytical chemistry, Medical and so on.

Specification:
ITEM NAME STANDARD
Sodium Thiosulpate(NA2S2O2) ≥99%
Water Insoluble Matter ≤0.03%
Sodium Sulfide(NA2S) ≤0.001%
FE
≤0.002%
PH 6.5-9.1
Sodium Thiosulphate Pure
Parameters Specifications:
Appearance: White Uniform Crystals (10 mesh)
pH of 10% Aqueous Solution: 6.5 to 8
Assay: 99% minimum
Sulphites & Sulphates :0.2% max
Heavy Metals: Less than 5 ppm
Iron: Less than 10 ppm
Sodium Thio Sulphate Photographic P4
Parameters Specification:
Appearance Cylindrical Pellets: (5 mm to 10 mm)
pH of 10% Aqueous Solution :6.5 to 8
Assay 99.5% minimum
Sulphites & Sulphates :0.2% max
Heavy Metals: Less than 3 ppm
Iron: Less than 5 ppm
Sodium Thio Sulphate Photographic P8-Recommended For Water Treatment
Parameters Specifications:
Appearance: Cylindrical Pellets (2 mm to 5 mm)
pH of 10% Aqueous Solution: 6.5 to 8
Assay: 99.5% minimum
Sulphites & Sulphates: 0.2% max
Heavy Metals: Less than 3 ppm
Iron: Less than 5 ppm

Other hot product: Sodium Metabisulphite|Sodium Bicarbonate