State : SolidCommercial/Trade Name : Sodium HydroxideChemical Formula : NaOHMolecular Weight : 40.01SR No. Characteristics Unit Standard Value Test Method1 Appearance -- White flakes QAD-QWI-082 Assay as NaOH % 97.5 Min. QAD-QWI-083 Assay as NaOH(Dry Basis) % 99.5 Min QAD-QWI-084 Sodium Chloride ppm 1000 Max. QAD-QWI-085 Iron as Fe+3 (100% Basis) ppm 20.0 Max. QAD-QWI-086 Sodium Carbonate % 0.40 Max. QAD-QWI-08