Asian Journal of Pharmaceutical Analysis

Life cannot be separated from water. Preventing dehydration has been animportant step of survival ever since the first living thing left the waters to live on land. Sample collect from -Rewalsar lake and Limit test performed to identify and control small quantity of impurity which is likely to be present in the sample. It is done to determine inorganic impurities in a compound. Performed limit test of chloride, sulphate and Iron. It was found that in Rewalsar lake sample chloride is present in minute amount and sulphate and iron are absent and Rewalsar lake water is safe for human use.