LABOGENS BORAX (decahydrate) 500GM

Buffer substance Na2B4O7.10H2O M.W. 381.37 Assay 99.5-103.0% Identity passes test Clarity of solution passes test Insoluble matter max 0.005% pH (0.01M solution , 25oC) 9.2-9.5 pH (4% solution in water) 9.0-9.6 Chloride(Cl) max 0.0007% Phosphate(PO4) max 0.001% Sulphate(SO4) max 0.005% Heavy metals (as Pb) max 0.001% Arsenic(As) max 0.0005% Calcium(Ca) max 0.005% Copper(Cu) max 0.0005% Iron(Fe) max 0.0005% Ammonium (NH4) max 0.001% Lead (Pb) max 0.0005%