How to calculate the weight of substances in limit test of Chloride
How to calculate the weight of substances in limit test of Chloride First we make 25 ppm chloride standard solution or according to Pharmacopoeia (B.P.,U.S.P.,J.P.,C.P. and Eur. P.) using Sodium Chloride. Or any other suitable substances specified in monograph. We take 10 ml of 25 ppm chloride standard solution for limit test of chloride. It means we take 0.25 mg of Chloride. Formula 0.25 mg of Chloride present in or as B.P.,U.S.P.,J.P.,C.P. and Eu.P (Std) Actual wt. of Chloride present in mg in each g of substance(to be Test) EXAMPLES For Substances 250 ppm of Chloride It means 250 g of chloride present in 1000,000 g of substances = 0.00025g Chloride present in each gram of substances or = 0.25mg Chloride present in each gram of substances 0.25 mg of Chloride present in (Std) 0.25 mg of Chloride present in each gram of substances = 1 g of substances required for limit test of Chloride (250ppm) For Substances 200 ppm o...