... ethanol; Slightly deliquescence in moist air, pH value is between 7.6-8.6 in 5% aqueous ... 99.0%_101.0% Chloride: 50 ppm max Sulphate: 150 ppm max Oxalate: 300 ppm max Heavy ... 11%-13% Uses In food processing industry, it is used as buffer, chelate agent, nutrient additive, emulsifier ... , flavor for yoghurt. In pharmaceutical industry, it is used as Anticoagulant and as preservative in syrup manufactured ...