Appearance White Crystal Purity 97.5 % up pH(1% sol'n) 11.5 - 12.5 Na2O(M.O) 16.0 - 17.9 % Iron(Fe) 0.01 % max Water Insolubles 0.1% max
Appearance White Powder Purity 97.5 % up pH (1% sol'n) 11.5 - 12.5 Iron (Fe) 0.05 % max Water Inoslubles 0.1 % max
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Appearance White Powder Purity 97.0 - 103.0 % pH(1% sol'n) 11.5 - 12.5 Chloride(Cl) 0.2 % max Sulfate (SO4) 0.05 % max Arsenic (As2O3) 4 ppm max Heavy Metal(Pb) 20 ppm max Dry Loss 5 % max