LABOGENS SODIUM HYDROXIDE flakes 500GM

NaOH M.W. 40.00 Assay(dry basis) 98.0-100.5%  Insoluble matter in water max 0.05% Carbonate (Na2CO3) max 2.0% Chloride (Cl) max 0.05% Sulphate (SO4) max 0.05% Heavy metals (as Pb) max 0.005% Arsenic (As) max 0.0003% Iron (Fe) max 0.005%