Isolation of Caffeine from a Tea Bag

Abstract: The ability to isolate caffeine from afternoon afternoon teatimetime leaves was questi id and was tack on to be successful in this examine. This was achieved by extracting caffeine, separating other innate(p) substances and sublimating the exist caffeine. The weight of the caffeine isolated from the tea leaves was .0186g; which is a 33.8% retrieval of the original material of caffeinated tea leaves. Introduction: This experiments purpose is to extract the caffeine that broods in a junior-grade portion of tea leaves. The theory of rootage is a technique used to separate organic compounds from a medley or a rootage of compounds. In this case tea leaves ar made of several other natural substances, one of which is caffeine, which consist of about 5% of the weight of a tea leaf. caffein is an alkaloid that acts that a stimulant; in humans caffeine oddly stimulates the central nervous system. The caffeine extracted volition infer from a dissolvent of t ea leaves and warm body of water; plainly because the resolving power includes several other natural substances a serial of extraction steps to isolate the caffeine will be used. Tannins, which argon organic compounds that can bind to alkaloids such as caffeine, be going to be taken out of the tea water using sodium carbonate.

The sodium carbonate is a base, which will convert the acidic tannins into sodium salts that are exceedingly water-soluble in water. Isolating the caffeine will brood at a time methylene chloride is added to the remaining tea solution, which increases the solubility of the caffeine. methylene convention chloride can be evaporated quickly leaving the caffeine to be purified by sublimation. Material! s and Methods: The tea solution was obtained when a tea home was placed in boiling water and its liquid multifariousness was care exuberanty squeezed into a beaker; and eventually placed into a latent hostility tube. The tea bag originally weighed about 55mg according to the Lipton tea nutritional facts. Solid sodium carbonate was then added to the solution in the test tube, which...If you want to get a broad essay, order it on our website: OrderEssay.net

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