SPECIFICATION (LR GRADE)

CAUSTIC SODA PELLETS CAS NO: 1310-73-2 NaOH: MW: 40.00

TEST SPECIFICATION
Description White, hygroscopic pellets
Identify Na:Passes test
OH: Passes test
Test solution (10% w/v; water) The solution is clear and colourless
Assay (NaOH) NLT 97.0 %
Carbonate (as Na2CO3)
 NMT 2 %
Chloride (CI) NMT 0.02 %
Silicate (SiO2) NMT 0.01 %
sulfate (SO4) SulfNMT 0.005 %
Iron (Fe) NMT 0.005 %
Heavy metals (as Pb) NMT 0.002 %