Chemical Name
SODIUM THIO SULPHATE (Anhydrous)
Reference No.
60-10-084-00
F. Wt
158.11
Formula
Na2S2O3
SPECIFICATIONS
Appearance
Colour less crystals
Assay  Sodium thiosulphate content as
Na2S2O3
Min :97%
pH of 10% aqueous solution
6.5-8.5
Sulphides as Na2S
Max :0.002%
Insoluble matter& matter precipitated as oxalate, phosphates & hydroxides
Max :0.4%
Heavy metals as lead
Max: 0.005%
Iron as Fe
Max :0.005%
Practical test
Passes the test
Quantity of sample required for test
250gms
Mode of packing
To be packed in PE bag and to be kept in a PE container with a PE insert and PE screw cap.
SODIUM THIO SULPHATE (Anhydrous)
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