"Laboratory flask" Essays and Research Papers

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    Abstract The purpose of this experiment was to perform a liquid-liquid extraction method to extract the caffeine from the tea bags that were provided‚ and then recrystallize the caffeine. The solvents used in the experiment were an aqueous sodium carbonate and dichloromethane (DCM). Anhydrous calcium chloride pellets were used to dry the solution and emulsion layer and the DCM was then decanted. After washing the anhydrous calcium chloride pellets with more DCM‚ the solvent was evaporated‚ leaving

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    lab report

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    Procedure: Obtain for dry test tubes and number them 1 through 4. Prepare two dry Pasteur pipets with bulbs attached. Place 9.0 mL of hexane‚ 2.0 ml of acetone‚ and 2.0 mL of solution of 70% hexane-30% acetone into separate Erlenmeyer flask. Label and stopper each flask. Place 0.3 mL of a solution containing fluorine and fluorenone into a small test tube. Stopper the test tube. Prepare one 10-cm x 4.3 cm TLC with four marks for spotting. Prepare four micropipets to spot the plates. Prepare a chromatography

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    the experiment were: Soxhlet‚ reflux condenser‚ extraction flask‚ analytical balance‚ iron stand‚ stove‚ filter paper‚ stove‚ spatula‚ milk sample‚ petroleum ether‚ and rubber hose. Procedure Two grams of milk sample was weighed and was placed into filter paper. The filter paper was then folded and was inserted in the tube of a soxhlet extractor. The extraction flask was connected and about 200 ml of petroleum

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    staff‚ visitors‚ patients‚ clients and contractors. Many activities are undertaken in clinical laboratories therefore anyone entering is at risk at pathological specimen. Staff must observe important precautions to protect both themselves and others. The degree of risk will depend upon the sort of work they do and how well they observe the safety rules. Infection control is very important in laboratories because infections may be acquired by breathing in airborne droplets or dust containing infectious

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    objective and independent manner‚ the client organization to identify management problems‚ analyze such problems‚ recommend solutions to these problems‚ and help‚ when requested‚ in the implementation of solutions. Problem Description: A company Zee Laboratories Ltd. aims to come among top three pharmaceutical companies of India by 2020. The company is not only looking at domestic business‚ but its global dream is to be a world’s major company and the company is trying to achieve its aim by pursuing a

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    1.0 The definition and explanation of ethical principles in the pathology laboratory Ethics is defined by moral philosophy and study of what is right‚ fair‚ just and good: about what should be done‚ not just what is most acceptable or expedient (ref). The four principles of ethics are autonomy‚ non-maleficence‚ beneficence and justice. In this report the ethical principle of non-maleficence‚ where the health care practices and obligations are to do no willful harm‚ execute no negligence or malpractice

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    Sasha Thiel 09.10.2012 CH203 Lab Experiment 1: Isolation of the Active Ingredient in an Analgesic Drug Pre-Lab: A. Least accurate to most accurate 1. Beakers (5ml markings) 2. 10ml graduated cylinder (0.1 markings) 3. 5ml vials (0.1 and 0.3 markings) 4. 1ml plastic pipets (0.1 ml markings) 5. 1ml syringes (0.1 ml markings) 6. 1ml graduated volumetric pipets (0.01 ml markings) B. A 1ml graduated volumetric pipet is the best to use if you want 0.15 ml of reactant

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    COMPANY ANALYSIS IPCA LABORATORIES LTD Project Group:- TABLE OF CONTENTS INTODUCTION About Ipca Laboratories For more than 60 years‚ Ipca has been partnering healthcare globally in over 110 countries and in markets as diverse as Africa‚ Asia‚ Australia‚ Europe and the US. Ipca is a fully-integrated Indian pharmaceutical company manufacturing over 350 formulations and 80 APIs for various therapeutic segments. Ipca

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    not have been fully set to zero. Also it takes time for it to fully reach its weight on the reading so you may move them too quick before the right weight has been set. 2. Place the two tablets in a small conical flask and fill 20 cm³ of it with propanone. Warm these up by placing the flask into some warm water. We did this step so that the tablets could be dissolved in the warm propanone. We

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    The complaint accused Forest Laboratories of violating laws under the False Claims Act stating that personnel of Forest Laboratories improperly promoted Lexapro for off-label pediatric use. Forest Laboratories was accused of paying physicians to encourage them to prescribe Lexapro and other drugs created by them. Additionally‚ Forest Laboratories was accused of blocking negative publications of one of their trials and reports that individuals

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