SODIUM THIOSULPHATE ANHYDROUS (Na2S2O3)
M.W. : 158.11 CAS No. 7772-98-7
Sodium Thyposulphite

SPECIFICATION

Physical Appearance

White free flowing  powder
Free from lunps and externals visibal impurities.

Appearance of Solution

A 20% solution in distilled water should be clear and colourless

Assay as Na2S2O3

97.0% Min. W/W.
PH of 10% Solution
 6.5 to 8.5 at room temp.
Sulphide as Na2S
0.002% Max.
Insolubels mater as Ca, Mg and NH4OH
 0.4 % Max.
Iron as Fe
 0.005 % Max.
Heavy Metals as Pb
 0.005% Max.
Packing
25kg / 50kg / 50Lb

 

 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


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