Practical 2 Reaction of alkane‚ alkene & alkyne Title: Reaction of Saturated and Unsaturated Hydrocarbons Objective: To carry out chemical test to differentiate an alkane and an alkene. Apparatus: dropper‚ test tube‚ hot plate Chemical reagents: bromine‚ toluene‚ cyclohexane‚ cyclohexene‚ acidified KMnO4‚ dichloromethane Method A. Bromine test 1.6 clean and dry test tube were taken and were labelled them A until F 2.1ml of dichloromethane were placed into each test tube 3.1 ml of
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t-Pentyl Chloride is a compound that is created through an SN1 nucleophilic substitution reaction in addition with Hydrogen Chloride in order to isolate the product. A variety of procedural techniques were utilized during the experiment including extraction‚ washing liquids‚ drying liquids‚ gravity filtration‚ and simple distillation. When a single solute or compound is transferred between two different solutes‚ it is known as extraction. Another technique that was utilized was washing‚ in which
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De La Salle University- Dasmariñas Dasmariñas Cavite Philippines ABSTRACT The Copper Reactions experiment was demonstrate by adding the reagents like 16M HNO3‚ Distilled water‚ 6M NaOH‚ 6M H2SO4‚ Acetone‚ Zinc metal and Methanol into the beaker with the copper wire. The experiment was also demonstrated to observe how copper reacts while different reagent were being added. It was also demonstrated to practice the common laboratory techniques such as method of separation involving filtration‚ sedimentation
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(conjugated) bilirubin and diazotized sulphanilic acid solutions. Direct Bilirubin reagent utilizes an acid diazo method. Conjugated bilirubin will reacts with diazotized sulphanilic acid to produce an acid azobilirubin‚ the absorbance of which is proportional to the concentration of direct bilirubin in the sample and can be measured at 550nm. Materials : 1. Total bilirubin reagent. 2. Direct bilirubin reagent. 3. Calibrator. 4. Sample X. 5. Appropriate number of tube(s) for: a. Blank b
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Regulation Division I Specific Functions a. Conducts inspection and issues licenses for the operation of establishments involved in the importation‚ exportation‚ distribution and retailing of processed foods‚ drugs‚ medical devices‚ in vitro reagents‚
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The tissue samples were visualized using a Leica microscope (Leica Microsystems‚ Wetzlar‚ Germany)‚ and the Leica image manager software to enhance and photograph the sections. All sections were photographed and epidermal thickness was measured 50 places per section and the average epidermal thickness was calculated pr section (Fig. S5). The measurements were made on sections photographed at 10X enhancement. All sections were blinded to the observer during measurements. Strengths: Good method
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Advanced Placement Biology ® AP Biology Lab 1 281 EDVO-Kit # Storage: Principles & Practice of Diffusion & Osmosis Store entire experiment at room temperature. EXPERIMENT OBJECTIVE The objective of this experiment is to develop an understanding of the molecular basis of diffusion and osmosis and its physiological importance. Students will analyze how solute size and concentration affect diffusion across semi-permeable membranes and how these processes affect water potential. Students
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3090 3090▌ SHORT REVIEW Reaction of Diazo Compounds with Organoboron Compounds short review Huan Li‚ Yan Zhang‚ Jianbo Wang* Reaction of Diazo Compounds with Organoboron Compounds Abstract: The transition-metal-free reactions of diazo compounds with organoboron compounds are reviewed. This type of reaction provides an alternative approach for the formation of C–C‚ C–B‚ and C–Si bonds. Moreover‚ by using tosylhydrazones as diazo compound precursors and boronic acids/esters as the
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to step 4 in Part A on p.18) 3.Leave the filter paper to dry for approximately 5-10 minutes 4.Record observations Results: Table 1: Reactions of sample substances to indicators SAMPLEBenedict’s solution + heatIodine solutionFilter paperBiuret reagent 1.protein solutionPurpleNo changeDried upPurple 2.vegetable oilNo changeNo changePaper remained translucentNo change 3.glucose solutionOrangeNo changeDried upNo change 4.sucrose solutionNo changeNo changeDried upNo change 5.starch solutionNo
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Contents [hide] 1 Chemical classification of detergents 1.1 Anionic detergents 1.2 Cationic detergents 1.3 Non-ionic and zwitterionic detergents 2 Major applications of detergents 2.1 Laundry detergents 2.2 Fuel additives 2.3 Biological Reagent 2.4 Soapless soap 3 See also 4 References 5 External links [edit]Chemical classification of detergents Detergents are classified into three broad groupings‚ depending on the electrical charge of the surfactants. [edit]Anionic detergents
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