In the first experiment‚ cyclohexanol was oxidized to form cyclohexanone. This was accomplished by pouring 2.0 ml of cyclohexanol and 1.0 ml of acetic acid into a 250 ml Erlenmeyer flask. Under a fume hood‚ slowly add 30 ml of bleach‚ and oxidizing agent‚ to the mixture and stir for 20 minutes. Acetic acid will react with bleach to make it a better oxidizing agent and form hopochlorous acid. Hypochlorous acid will then oxidize cyclohexanol. The mixture turned cloudy during the process but clear up
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A medical laboratory technologist‚ also referred to as clinical laboratory scientist or medical laboratory scientist‚ are a big part of a health care team. Medical laboratory technologists primarily study and practice diagnostic medicine by generating accurate and reliable test results in chemistry‚ hematology‚ immunology‚ immunohematology‚ and microbiology. A medical laboratory technologists typically collect samples and perform tests to analyze body fluids such as blood and urine‚ tissue‚ and other
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TRIP TO CENTRAL VETERINARY LABORATORIES BY : MORAA FRIDAH ORINA ADM NO: K01/10965/10 PRESENTED TO : DR M NOOR DATE: 25/11/2012 REPORT ON THE FIELD TRIP TO CENTRAL VETERINARY LABORATORIES INTRODUCTION Central veterinary laboratory is situated in Kabete in Kiambu County in Kenya. It deals with confirmatory diagnosis of various diseases and as a referral laboratory for other regional laboratories‚ they include; Nakuru‚ Eldoret‚ Kericho‚ Karatina
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Why does colour leak out of cooked beetroot? Introduction When cooking a beetroot you are recommended not to remove the outer skin and not to cut off the entire stalk if you do not want the red dye in the cooking water. Beetroot contains a red pigment called betalain‚ which is in the cell vacuole. Normally the betalain stays inside the cell‚ however when the cell is exposed to extreme temperatures they leak out. The reason why they leak out is because of the cell membrane structure. When the
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Since the Grignard reagent can easily react with water‚ all glassware including the 25 ml round bottom flask‚ magnetic stir bar‚ 3 and 5 ml conical vial‚ 50 mL Erlenmeyer flask‚ claisen adapter‚ drying tube and 5 glass pasteur pipets were first added to a 250mL beaker and placed in the oven for 30 minutes. After the completion of the thirty minutes‚ 0.150 g of shiny magnesium turnings and a stir bar was first added to the round bottom flask and the claisen adapter along with the drying tube packed
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manganate - Harmful over 1 ml - Danger to environment - Oxidising agent CLEAPS Wear lab coat & wear eye protection. Wash hands thoroughly at the end of the experiment. Glassware (glass stirring rod‚ boiling tubes) - Can break if dropped and could cause bleeding or other damage to skin. Experience in situation Try not to drop glassware and wear eye protection. Keep working area clear at all times. Method: 1) Measure 10cm3 of 4 mol dm-3 glucose solution into the first boiling tube 2) Measure 5cm3
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Fermentation of Carbohydrates: Ethanol from Sucrose Objective: To demonstrate a fermentation process‚ isolate the ethanol produced by fractional distillation‚ determine the composition of the ethanol solution recovered‚ and make stoichiometric and yield calculations. Procedures: Fermentation Weigh out 20.0 g of sucrose and place it into a 250-mL Erlenmeyer flask. Add 100 mL of water and gently shake until all the sucrose has dissolved. To this solution add 0.60 g of dipotassium hydrogen phosphate
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Experimental Part 1: Reaction First the glassware apparatus for the reaction was set up. 3.861-grams of isoborneol‚ 2.21-mL of glacial acetic acid‚ and 4.39-mL of 6% NaOCl solution were mixed in a 125-mL Erlenmeyer flask. Another 35-mL of 6% NaOCl solution was added to a separatory funnel and supported over the flask. The NaOCl in the sep funnel was slowly added into the Erlenmeyer flask with vigorous swirling‚ approximately 2-mL every 30 seconds until all the NaOCl from the sep funnel had been
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This paperwork of SCI 207 Week 2 Laboratory 1 shows the solutions to the following problems: The purpose of this lab is to learn more about how connected you are to the ecosystems and biosphere that you inhabit. You will learn how your everyday choices contribute to the human impacts on our environment you General Questions - General General Questions Lab 2 - Experiment 1: Effects of Groundwater Contamination Post-Lab Questions: 1. Restate your hypothesis. Was it confirmed
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but I tried to stop this by cleaning all our beakers after each experiment. The dependant variable is the amount of juice used and the independent variable is the type of juice used in the experiment. METHOD: SAFETY: Take care with fragile glassware such as burettes. Preparation 1.) Make up a 1% solution of vitamin C with 1 g of vitamin C in 100 cm3; this is 10 mg cm–3. 2.) Make up a 1% solution of DCPIP. Investigation 3.) Pipette 2 cm3 of vitamin C solution into a test tube. 4.) Using
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