Specimen *Insert procedure here* Reagents are serological purposes are purchased as pre-packed kits. The antigen suspension is in a dropper bottle that delivers a requisive quality. The kit also contains buffer and other accessories required for performing the test. Saline (85% NaCl w/ deinonized water) is the only reagent prepared by the laboratory. Serological tests are done in two ways Slide method-Requires plate w/circles(wells) where the reagent in mixed Agglutination of flocculation
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the rest retain the purplish color of KMnO4. On the other hand‚ the five compounds in Bromine test with light reacted positively. In Bromine test dark‚ Hexane and Unknown hydrocarbon 1 did not react because light (UV) is absent. Lastly‚ in Tollen’s reagent‚ only Acetylene reacted positively and all the other compounds gave a negative result since they are all hydrocarbons. INTRODUCTION Hydrocarbons are simple organic compounds with a distinct character of having Carbon and Hydrogen atoms only
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The Synthesis of Organic Aspirin ABSTRACT: The purpose of this experiment was to find out how a reaction undergoes for a globally known painkiller called aspirin‚ and to become familiar with achieving successful yields. Aspirin is synthesized from salicylic acid and acetic anhydride. Those two chemicals are mixed together along with sulfuric acid to form a crude solid. Filtration is used separate the impurities from the crude aspirin. To get purified aspirin‚ the precipitate was heated until all
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PUSAT PENGAJIAN TEKNOLOGI INDUSTRI IMG 103/3 FOOD CHEMISTRY LAB REPORT Experiment 3 : Qualitative Test for Carbohydrate Date of Experiment: 27/03/2013 Date of Submission: 17/04/2013 Submitted by: Name: Te Hui Min Matric No.: 115615 Group: 4 Title Qualitative test for carbohydrate Introduction Carbohydrates are essential in foods as an energy source (starch is the main source of human calories)‚ a flavouring (simple sugars are usually sweet) and as a functional
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Experiment 15 & 16: Preparation of 1-bromobutane‚ an SN2 reaction Preparation of 2-chloro-2-methylbutane‚ an SN1 reaction Introduction The purpose of this experiment is to synthesize 1-bromobutane from 1-butanol and sodium bromide. In order for this reaction to reach completion there are four major operations that need to be performed. The four major operations include refluxing‚ simple distillation‚ separation‚ and drying. To begin‚ in order for the compounds to react they will be dissolved
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)6 )7 ) i )ii ) iii )8 )9 )10 )i ) ii )iii)11 ) | A reagent is highly serves as a reference material in all volumetric & mass titrimetric method.A reagent solution of accurately known concentration. * End point-point at which the reaction is observed to be complete and there is permenant colour change at the end of titration. * Equivalent point-point at which an equivalent amount of titrant is added to analyte. * Titrant-the reagent which is place in the burette & will added to analyte
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will be disposed of in the appropriate waste containers. The following experiments illustrate some of the fundamental reactions of saturated‚ unsaturated‚ and aromatic hydrocarbons. The three classes sometimes react differently toward the same reagent‚ in which case it may be used to distinguish between them. (i) Combustion One of the most important uses of organic compounds‚ especially hydrocarbons‚ is combustion. This is the basis of the internal combustion engine and other heat generating
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There are four biological marcomolecules essential to the function of a cell: lipids‚ proteins‚ carbohydrates and nucleic acids. Proteins are made up of amino acids that have a carbon in the center of the structure with four chemical groups attached to the sides. Traditionally protein is understood to assist in the development of muscle in athletic people‚ but it actually functions as structural support‚ cell adhesion‚ transport for molecules‚ and cellular communication. Through dehydration synthesis
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samples containing this drug. The developed method has the advantage over the previously reported methods on being more sensitive‚ simple‚ less time consuming and having low detection limits. Moreover‚ the developed method utilize an inexpensive reagent and relatively low price instrument which is commonly available in most quality control
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ABSTRACT: Medicinal plants are potential sources of new drugs to improve the treatment of diseases whose treatment is associated to anti-oxidative agents. In the current study‚ we carried out a comparative analysis of the antioxidant activities of extracts of the selected leaves of 6 common medicinal plants. Total Ascorbic Acid Content‚ Total Carotenoid Content‚ Antioxidant potential using FRAP assay and Total Phenol Content was quantitatively estimated from leaves of Rauvolfia serpentina‚ Cymbopogon
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