Sodium Thiosulfate Pentahydrate, Reagent, A.C.S.

 
ResultLimits
Assay:100.4%99.5-101.0%
pH of a 5% soln. at 25°C: 6.16.0 - 8.4
Insoluble Matter: <0.001%0.005% max.
Nitrogen compounds: <0.001%0.002% max.
Sulfate and Sulfite: <0.01%0.1% max.
Sulfide: passes testto pass test
If you see this specification and nothing else
visit the
Barker Industries Product Page.