GLYCEROL EXTRA PURE

Description

Chemical Specifications Appearance A clear, colourless or almost colourless, odourless; very hygroscopic,syrupy liquid Assay 98 - 101% Clarity (50% w/v in distilled water) Clear Colour (10 ml of 50% w/v solution diluted to 25 ml) Colorless Refractive index (20°C; 589 nm) 1.470 - 1.475 Acidity Max 0.2 ml of 0.1 N NaOH required for 50 ml of 50% w/v solution Alkalinity NIL Heavy metal (as Pb) Max 0.0005% Iron (Fe) Max 0.0004% Chloride (Cl) Max 0.0025% Sulphate (SO4) Max 0.0030% Aldehyde and reducing substance To Pass IP test Ester Min 8.0 ml of 0.1M HCl required to decolorise the 50 ml of 50% w/v solution of glycerin in water Sugar To pass IP test Sulphated ash Max 0.01% Water (H2O) Max 2%