Crane hooks Today in this report I will explain how the forged hook is better compared to a cast hook. My reasons towards this decision are later discussed throughout this report. Forging is referred to as the shaping of a metal through the use of compressive force; forging can be classified as hot or cold and will be explained later in the report. Casting is referred to as when a liquid metal is poured into a desired mould‚ cooled then removed. Both of these manufacturing processes have
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Experiment # 45: Benzocaine Abstract The local anesthetic‚ benzocaine‚ was synthesized via the esterification of p-aminobenzoic acid with ethanol. The percent yield of crude product was determined to be 21% and the melting point was recorded at 86.2°C ± 0.2°C‚ with a 6.3% error from 92°C‚ the literature melting point of pure benzocaine. The crude product was then recrystallized to improve the purity of benzocaine and 57.4% was recovered. The new melting point range was measured at 89.1°C ±
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(aspirin)‚ and to become familiar with the optimum conditions needed for successful yields. Aspirin is produced from an acid catalyzed reaction between salicylic acid with acetic anhydride. The crystalline aspirin is synthesized and purified by recrystallization‚ although there is not a hundred percent yield due to sources of error. Introduction Aspirin is a medicine commonly found in households around the world. It also is one of the least expensive and most useful drugs in the market. A Chemist named
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procedure and results of the lab. The chemical process studied in this lab was reduction‚ the process of reducing the number of bonds to oxygen and increasing the number of bonds to hydrogen. Other chemical processes included in the lab were recrystallization‚ melting point‚ and extraction. Procedure: Preparation of Vanillyl Alcohol 2.5 mmol of vanillin were dissolved in 2.5 mL of 1 M NaOH solution in a 25 mL Erlenmeyer flask. The flask was swirled to produce a homogeneous yellow solution. The
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Trimyristin is an ester with the chemical formula C45H86O6 that can be isolated from the common spice nutmeg. The seed of the evergreen trees in the genus Myristica Fragrans is what nutmeg is obtained from. Trimyristin is the triglyceride of myristic acid also known as saturated fat (3). The phase of trimyristin is solid and is only found soluble in dichloromethane‚ chloroform‚ ether‚ benzene‚ and ethanol (1). Only twenty to twenty-five percent of trimyristin makes up the mass of nutmeg and it
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humans. The structure of caffeine is shown below. Figure 1: Structure of Caffeine In this experiment‚ you are going to make a small but strong cup of tea and extract the caffeine from it. Also‚ you are going to purify the caffeine by recrystallization and calculate the mass percentage of caffeine in the tea sample using the equation below. Mass % = (wt. of purified caffeine / wt. of tea sample) x 100 Caffeine is a very common substance and is found in coffee‚ tea‚ soft drinks‚ chocolate
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Introduction The purpose of this lab is to synthesize Lidocaine from 2‚6-dimethylaniline‚ using diethyl amine‚ 2-chloroacetyl chloride‚ acetic acid‚ and toluene. The Lidocaine was made by adding 2‚6-dimethylaniline to 2-chloroacetyl chloride in acetic acid. Sodium acetate is added in order to make the compound soluble. The product is dried‚ then treated with diethyl amine and toluene. This is refluxed using a water-cooled reflux condenser. The vapor is condensed by the cold water as the compound
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catalysis of concentrated sulfuric acid. The reaction between nitric acid and sulfuric acid resulted in the formation of nitronium ion NO2+. It then acted as strong electrophile that nitrated the benzene ring. After that‚ vacuum filtration and recrystallization were methods used to obtain the final product with minimal impurities. The mass of product
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Date of Experiment: September 10th‚ 2013 Organic Chemistry II – CHLB330 Name: Symone E. MoxeyLab Partner: Lynden Cooper Synthesis of Aspirin (Acetylsalicylic Acid) Abstract:- Aspirin (acetylsalicylic acid) is produced experimentally in the lab. The resulting percentage yield is 65.5%. The purity of the obtained product is tested using the melting point and Ferric Chloride Test (FCT). The aspirin was massed‚ and the melting point was determined. Based on the data collected‚ there was a total
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exists as an oil at room temperature. Results The experiment produced 0.033 g of white crystal product‚ an 11.7 % percent yield. The melting point range of the product was 80.0°C-82.3°C. Small amounts of yellow oil was also produced before recrystallization. Attached are the 1H NMR spectroscopy of both the product and the oil side product from the reaction. Discussion This reaction proved to be inefficient‚ yielding only 11.7% of product. Perhaps letting the reaction run longer than an hour would
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