Panacetin‚ is originally produced by. Extraction of the chemicals Sucrose‚ Aspirin‚ and an Unknown substance is tested to determine the legitimacy of the label and drug. Theory: The percent composition is calculated for accuracy and to conclude the “label is accurate”. The formula for the percent composition is adding the sums of all the extracts‚ then dividing the total sum by each of the three (3) individual extract; Sucrose‚ Aspirin‚ Unknown. By separating
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Panacetin contains aspirin‚ sucrose and an unknown component that may be either acetanilide or phenacetin. Of the three components‚ only sucrose is insoluble in the organic solvent dichloromethane (CH2Cl2 or methylene chloride). The insoluble sucrose can be filtered out if Panacetin is dissolved completely in dichloromethane by gravity filtration or centrifugation leaving the soluble aspirin‚ acetanilide and phenacetin in the solution. Although the acetanilide and aspirin are both quite insoluble
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piece of ph tape into the solvent. The ph was at a 1. The mixture was cooled by placing it over into an ice/water bath for 15-20 minutes. This produced aspirin. We extracted the aspirin by vacuum filtration‚ and washed it on the filter with cold distilled water. The aspirin was set aside and placed in the microwave to dry. After the aspirin was dry we weighed it (0.227grams). To isolate the unknown component we used a filter flask attached to a trap and aspirator to evaporate the solvent from
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This laboratory has its first objective to familiarize with the thin layer chromatography (TLC) technique. Second‚ each student has to identify the unknown components by comparing it to one of the tree dissolved liquid analgesics: Acetaminophen‚ Aspirin and Caffeine. Finally‚ calculating the Rf value by measuring the mobile and stationary phase. Chromatography is a technique used to separate mixtures into their compounds. It’s based on a mobile phase and a stationary phase. The mobile phase moves
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Exam-1 Work Sheet Cell Biology: 1. What is cell membrane made of? How does the composition (lipid‚ protein‚ cholesterol) of the membrane help with role that cell membrane plays? 2. What are organelles? 3. Can you identify organelles in the image below? Can you describe their functions? Tissues: 1. The inner lining of lungs and gut that come in contact with oxygen and food are examples of a. Epithelial tissue b. Connective tissue c. Muscle tissue d. Nerve tissue 2. Connective tissue
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Synthesis of Methyl Salicylate from Aspirin Esters are a class of organic compounds. An ester compromises an organic or inorganic acid in which one or more hydroxy (OH) groups have been replaced by and alkoxy (O-alkyl) group. For example‚ the simplest ester‚ methyl formate (CHOOCH3)‚ is made up of formic acid (CHO-OH) in which the hydroxyl group has been replaced by a methoxy group (-OCH3). Similarly‚ ethyl acetate (CH3CO-OCH2CH3) is made up of acetic acid (CH3CO-OH) in which the hydroxy group
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12th Nov LS4002 - EXPERIMENT 1 Quantitative Analysis by Acid-Base Titration - A Determination of the Quantity of Aspirin in Powdered Tablets Aims In this experiment a solution of sodium hydroxide will be standardised using potassium hydrogen pthalate. This standardised sodium hydroxide solution will then be used to titrate powdered aspirin tablets. The percentage of aspirin in the powder tablets will then be calculated. Introduction Acid-base titrations are an example of what is called volumetric
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asks for ‘Aspirin‚ 27&53’ With these unusual requests throughout the novel it showcases the theme of re-birth. At the start‚ Skellig is weak until Michael and Mina help him. They provide support by bringing aspirin‚ 27&53‚ towards the end of the novel Skellig is reborn with a healthy‚ fit‚ body. Skellig metions ‘The dead often eat 27&53’ in the bible 27:53 it says came out of the graves after his resurrection. This is extremely simmular to Skellig‚ after eating 27&53 he is reborn. Aspirins defitnion
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Manual Results To find out the identification of the unknown‚ 3 separate trials had to be performed to the unknown‚ some standards and a mixture of 50/50 of the unknown and the standard‚ or in the case of trial 3‚ both standards of aspirin & acetylsalicylic acid were combined in a 50/50 mixture. (See Table 1 below). * = Standards. In each trial each separate component was placed in its own capillary tube‚ and then a 3rd capillary tube contained a 50/50 mixture of both ingredients
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Performed on: Wednesday‚ May 8th‚ 2013 | | | 5/15/2013 | | Introduction: The goal of this experiment was to identify an unknown analgesic drug through the use of thin-layer chromatography. The drugs used were‚ Unknown #1‚ caffeine‚ aspirin‚ and acetaminophen. Thin-Layer Chromatography is a technique for identifying substances using a mobile phase (developing solvent) that draws up through a stationary phase (TLC plate) and marks spots of differing distances for differing substances
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