(Merck) or‚ albeit in slightly lower overall yield‚ by refluxing maleic anhydride and aniline in 12molar ratio in acetic acid (Method B) (Fig. 1). The experiment is operationally simple‚ requiring simply manual stirring‚ filtration‚ and recrystallization‚ readily available inexpensive reagents‚ and short reaction time. Thus‚ it is ideally suited to the students. The NMR and IR spectra of the compound 2 may he used to illustrate the geminal and vicinal couplings along with the effect of the
Premium Management Project management Sociology
Experiment VI: Oxidation of Isoborneol with Bleach Purpose: In this experiment‚ Green chemical procedures were applied to oxidize isoborneol to camphor using bleach (NaOCl)‚ rather than the tradition chromium-based oxidizing reagents. The camphor was then purified using the process of sublimation. Procedure: Using a 50-mL Erlenmeyer flask‚ 1.316 g (8.5 mmol) isoborneol and 1.0 mL (17 mmol) glacial acetic acid were stirred vigorously with a magnetic stir plate. A volume of 1.7 mL NaOCl
Premium Oxygen Chemistry Alcohol
label. As a result of this investigation‚ my teammates and I allowed the Panacetin to undergo gravity filtration and separation techniques in order to identify whether there are any discrepancies in the components of the Panacetin. Furthermore‚ recrystallization and purification methods were used to determine if the unknown substance were similar in properties to either of the suspected unknown substances by comparing factors such as melting points to the chemical properties of phenactin and acetanilide
Premium Chemistry Paracetamol Chemical substance
What are fossils? Fossils are the remains or marks of plants and animals that lived a very long time ago. They are usually found in rocks and stones. Fossils are important because they tell us a story about things that lived on the earth before us. What Things Become Fossils? Animals and plants become fossils. So do nests‚ eggs‚ footprints and even animal droppings! How are Fossils Made? Fossils are made from the hard parts of plants and animals‚ such as:-bark‚ seed cases‚ bones and
Premium Fossil Sedimentary rock Dinosaur
The technique used to purify the aspirin content is called crystallization‚ which consists in allowing the reaction to cool‚ decreasing the solubility of acetylsalicyclic acid and allowing it to crystalize. To purify the product even more a recrystallization procedure will be performed. Since salicyclic acid is considered a phenol‚ a Ferric Chloride test (shows the presence of phenols by changing color from orange to different concentrations of purple‚ the darker it is the more concentration of phenol
Premium Acetic acid Aspirin Carboxylic acid
preparation of aspirin and oil of wintergreen | Introduction Organic compounds are those which contain carbon as well as a select other elements. An organic acid however‚ is an organic compound which contains acidic properties. An ester is an example of being a derivative of these organic acids. Esters can be prepared by the reaction of carboxylic acids and alcohols‚ with an inorganic acid used as a catalyst which is dubbed esterification. With o-hydrobenzoic acid‚ or salicylic
Premium Carboxylic acid Acetic acid Ester
Separating the Components of “Panacetin” Extraction and Evaporation & Identifying a Constituent of “Panacetin” Recrystallization& Melting-Point Measurement Organic Chemistry Lab Introduction: Panacetin purportedly includes sucrose‚ aspirin‚ and acetaminophen. However‚ the accuracy of Panacetin’s contents has been called into question by the Association for Safe Pharmaceuticals. Therefore‚ the lab must discover the accuracy of the ingredients
Premium Chemistry Paracetamol Experiment
shapes fine materials into larger forms of varied shapes‚ sizes and volumes (from a few CC up to 600 CC and more)‚ these characteristics are defined according to the product end use. If the cohesive forces (particulate cohesion‚ valence forces‚ recrystallization) between particles are low‚ a binder has to be used before agglomeration. The physical properties of the feed material‚ the end use of the briquettes and the cost of binder addition have to be taken into account before a selection is made. A
Premium Anthracite
fire‚ and be familiar with the location of the fire extinguisher. Discussion The synthesis of aspirin demonstrated here demonstrates several relevant suggestions that should be considered in the synthesis of a substance. Firstly‚ the recrystallization of a product should be performed if possible and relevant. In most reactions‚ the amount of product exceeds the impurities. As a result‚ the crystals of the product should form first by virtue of greater volume. The remaining solution will be
Premium Oxygen Carbon dioxide Carboxylic acid
CLASSIFICATION TESTS A. Acids There are relatively few suitable tests for carboxylic acids. Classification is based mostly upon solubility tests. If the compound is water soluble‚ test the aqueous solution of your compound with pH paper (also check the pH of the original water). If the compound is water-insoluble and it dissolves in 5% (1.5M) sodium hydroxide and 5% NaHCO3 solutions as performed in your solubility tests‚ it can be classified as a carboxylic acid. Establish an equivalence value
Premium Alcohol Amine Acid