Introduction to Microscale Laboratory Niki Gharavi *‚ Minh Nguyen San Jose City College ABSTRACT: The objective of the experiment was to be introduced to working with the lab equipment‚ specifically heating and measuring‚ and to be able to create some of the apparatus that future experiments will require. Heating methods used were an aluminum block‚ a sand bath‚ and a water bath. The aluminum block heated most quickly while the others were more stable. Regarding the measurement of water‚ the less
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CVDs. View our full TOC hereKey Regions EMEA APAC Americas Key Vendors Abbott Laboratories Alere Inc. Ortho Clinical Diagnostics Inc. Roche Diagnostics Other Prominent Vendors AniBiotech Axis-Shield Beckman Coulter Becton‚ Dickinson & Co. BG Medicine bioMérieuxBoston Scientific Critical Diagnostics diaDexusLifeSignMitsubishi Chemical Europe Nanomix Radiometer Medical Randox Laboratories Response Biomedical Siemens Healthcare Sierra Resources International SingulexThermo
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SYNT m o d u l a r · l a b o r a t o r y · p r o g r a m · i n · publisher: H. A. Neidig c h e m i s t r y 738 organic editor: Joe Jeffers Copper-Catalyzed Oxidation of Benzoin to Benzil prepared by Carl T. Wigal‚ Lebanon Valley College PURPOSE OF THE EXPERIMENT Oxidize benzoin to benzil using ammonium nitrate and copper(II) ion as a catalyst‚ monitoring the reaction by thin-layer chromatography. Characterize the product using melting point measurement and infrared spectroscopy. EXPERIMENTAL
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Bottled water * Distilled water Apparatus: * Laboratory oven * Dessicator * Conical flask * Watch glass * Spatula * Glass rod * Burette * Funnel * Volumetric flask * Volumetric pipette Setup: (see diagram under Discussion) Procedure: 1). Weigh accurately approximately 4.5g of pure silver nitrate in powder form. 2). Place the watch glass with the powder in the drying laboratory oven for 30 minutes at a high temperature (60 – 100oC). 3)
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Calibration of Volumetric Glassware This set of laboratory experiments is designed to introduce you to some of the apparatus and operations you will be using during the remainder of this course‚ including the treatment of data using spreadsheets. While some of the procedures may seem trivial and the results obvious‚ this is a chance for you to develop good laboratory technique. Required Reading D.C. Harris‚ Quantitative Chemical Analysis (8th ed.‚ W. H. Freeman‚ NY‚ 2010) chapter 2 (Tools
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Table of Contents Laboratory Safety and Laboratory Guidelines Common and Special Laboratory Equipment Materials and Other Requirements Common Laboratory Operations and Techniques Experiment 1 …………………………………………………………………………..10 Properties of Matter Experiment 2 …………………………………………………………………………. 12 Chemical Changes Experiment 3 …………………………………………………………………………. 15 Classification of Matter Experiment 4 …………………………………………………………………………
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LABORATORY REPORT (Click on the Save a Copy button on the panel above to save your report) Activity: Name: Instructor: Date: Enzyme Activity cheryl yelton November 30‚ 2014 Predictions 1. Sucrase will have the greatest activity at pH 6 2. Sucrase will have the greatest activity at 40 °C (104 °F) 3. Sucrase activity increases with increasing sucrose concentration. Materials and Methods Effect of pH on Enzyme Activity. 1. Dependent Variable. amount of product (glucose and fructose) produced 2.
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Personal Expectations Taking this Management class is going to be very challenging for me for a couple of reasons. One of those reasons is because I have not in the least bit ever been interested in business‚ which at first glance seems to be all that this course focuses on. Another reason is because I have never really imagined myself as a manager. I am still figuring out what I want to do with my life‚ what kind of degree I want‚ and what kind of goals I want to set and achieve‚ and I have just
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Materials and Methods The laboratory procedures were conducted based on the steps provided in ‘An Introduction to Chemical Systems in the Laboratory’1. Specifically‚ 1.90 grams of KCL was weighed in a 250ml beaker and dissolved in 25 ml of deionized water. This solution was then quantitatively transferred to a 250ml volumetric flask. Proper technique is needed for quantitative analysis. This transfer was done to ensure that there was no detectable KCl left in the beaker. After transferring the
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electrothermal device to determine melting point. Chemicals : Crude diphenyl (3.0 g)‚ ethanol (20 mL)‚ decolourising charcoal (1.0 g)‚ boiling chips‚ ice Procedure : Crude diphenyl (3.0 g) is measured and obtained using a beaker and a laboratory electronic weigh. The crude diphenyl is then put into a quickfit flask‚ together with 2 to 3 pieces of boiling chips. Ethanol (5 mL) is measured using a measuring cylinder and poured into the flask. A vertical water condenser is fitted to the mouth
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