BORIC ACID CRYSTALS Extra Pure 500GM 99.5%

Description

Appearance White crystals Assay (alkalimetric; on dried basis) 99.5-100.5% Identification To comply IP, BP, USP tests Solubility Soluble in water and in ethanol (96 per cent), freely soluble in boiling water and in glycerol (85 per cent) Appearance of solution To comply IP, BP, USP Substance insoluble in alcohol To comply IP, BP, USP test pH (3.3% solution in water) 3.8-4.8 Sulphate (SO4) Max 0.045% Heavy metal (as Pb) max 0.0015% Arsenic (As) max 0.001% Organic impurities To comply BP test Loss on drying (5hrs; over silica gel) Max 0.5%