How to Write Essay: Lipid

Objective: 1. Â Â Â Â Â Â Â Â exam for the solubility of the lipids in the several common solvents. 2. Â Â Â Â Â Â Â Â crush out for the saponification and the property of the tranquil ecstasy ascendant (stearate) 3. Â Â Â Â Â Â Â Â endeavor for the existence of the acrolein. 4. Â Â Â Â Â Â Â Â tribulation for the unsaturation. 5. Â Â Â Â Â Â Â Â establish for the unsaturation in the way mark of the iodine break along of a racy or anoint. Result: 1. Â Â Â Â Â Â Â Â Solubility sample: (0.5) solvent Â Â Â Â Â Â Â Â Ether Â Â Â Â Â Â Â Â anaesthetize Â Â Â Â Â Â Â Â Acetone Â Â Â Â Â Â Â Â Ethanol Â Â Â Â Â Â Â Â piddle Triacetin Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â - Butter Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â - Â Â Â Â Â Â Â Â - potato bean crude Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â - Â Â Â Â Â Â Â Â - stearic stinging Â Â Â Â Â Â Â Â - Â Â Â Â Â Â Â Â - Â Â Â Â Â Â Â Â - Â Â Â Â Â Â Â Â - Â Â Â Â Â Â Â Â - Oleic erosive Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â - Glycerol Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â + Â Â Â Â Â Â Â Â + (+) inwardness disintegrable (-) path non- water-soluble (+/-) means slightly soluble 2. Â Â Â Â Â Â Â Â Saponification: A. Â Â Â Â Â Â Â Â 1ml of lather upshot + 1 ml of saturated NaCl solution. present we run aground that in that respect is the white ppt. at the croupe of the tube. And this kind of ppt. is not soluble in the irrigate, fitting soluble in the ether. B. Â Â Â Â Â Â Â Â 1 ml of soap solution + 1 ml of CaCl2 solution. Here we can find there is also the white ppt. at the bottom of the tube. This kind of ppt. is not soluble some(prenominal) in the water and in the ether. C. Â Â Â Â Â Â Â Â 1 ml of soap solution + 1 ml of thin HCl solution. In the test, we found that there are the white ppt.

at the bottom of the tube. This kind of ppt. is also insoluble in the both water and ether. 3. Â Â Â Â Â Â Â Â Acrolein Test: Â Â Â Â Â Â Â Â Peanut oil Â Â Â Â Â Â Â Â Stearic acid Â Â Â Â Â Â Â Â Glycerol Heat Â Â Â Â Â Â Â Â No pure tone Â Â Â Â Â Â Â Â No odour Â Â Â Â Â Â Â Â No tactile property Heat + KHSO4 Â Â Â Â Â Â Â Â No smell Â Â Â Â Â Â Â Â Smell Â Â Â Â Â Â Â Â Smell 4. Â Â Â Â Â Â Â Â Test for Unsaturation: Sample Â Â Â Â Â Â Â Â Observation 1 Â Â Â Â Â Â Â Â / 2 Â Â Â Â Â Â Â Â +++ 3 Â Â Â Â Â Â Â Â + 4 Â Â Â Â Â Â Â Â ++ 5. Â Â Â Â Â Â Â Â Determination of the iodine agree up of a fat (Hanus method): Vol. of Na2S2O3 react in oil ideal = 9.2 (ml) Vol. of Na2S2O3 react in blank control = 21.8 (ml) cultivation: 2. The soap solution leave have reactions with the... If you want to get a full essay, disposition it on our website: Ordercustompaper.com

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Tuesday, May 21, 2013

Lipid

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