TITRIMETRIC ANALYSIS OF CALCIUM CARBONATE IN DIFFERENT BRANDS OF TOOTHPASTE AVAILABLE IN MARKET
Journal Title: WORLD JOURNAL PHARMACY AND PHARMACEUTICAL SCIENCE - Year 2019, Vol 8, Issue 1
Abstract
Amount of calcium carbonate present in the toothpaste available in Kerala was determined by the titrimetric estimation. Here we adopt acid base and complexometric titration for the determination of calcium carbonate. In acid base titration 0.1N sodium hydroxide is used as titrant and indicator is phenolphthalein, and in complexometric titration sample was titrated against 0.05M EDTA using mordent black 2 as indicator where ammonium-ammonium chloride buffer is to maintain pH. Generally a toothpaste contain 20% of calcium carbonate as abrasive after the experiment we identified that amount of calcium carbonate in different toothpaste are different, some may contain more amount of calcium carbonate while other contain less amount than the standard value.
Authors and Affiliations
Ajmal H.
Keywords
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- EP ID EP666859
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