"Preparation of chloroform" Essays and Research Papers

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    Perfect Crime

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    day of the execution‚2 masked mens glides from one roof to the banks roof.1 of them heads to the ventilation and the other heads to the telephone and security alarm system of the bank.2nd robber dis-alarms the security system and the other adds chloroform to the air ventilation system.After 10 minutes‚2 robbers enters the bank and they lock up the front door indicating its close.All four of them rushes to the vault and starts drilling.Click.Vaults open as the four robbers rushes and starts filling

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    Okays

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    ​           ​ENTERICS EMB‚ SSA‚ BSA [pic]​ Acronym:    T LMI CUP MNL GARI ( TSI‚ LIA‚ MIO‚ Indole‚ Citrate‚ Urease‚ PAD‚ Malonate‚ Lactose‚ Glucose‚ Arabinose‚ Rhamnose‚ Inosite) ​ easy steps to identify: *TSI: A/Ag------ Escherichia coli and Klebsiella pneumoniae    A/Ag( yellow both slant and butt with gas: cracks/displacement of the agar) ​ EMB- greenish metallic sheen ------ E. coli EMB- pink mucoid colonies -------- K. pneumoniae ​                             

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    Citrinin Lab Report

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    liquid media The filtrates obtained from above experiment were used for extraction and estimation of citrinin. Briefly‚ the citrinin was extracted thrice with chloroform (1:1 v/v). All the three extractions were pooled and concentrated in vacuum at 40°C using a rotary evaporator. The crude extract was then diluted in minimum amount of chloroform (2ml) and citrinin was estimated by thin layer chromatography (TLC) according to Razak et al.[16] Subsets of citrinin obtained were estimated by High performance

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    THE CHEMISTRY OF LIPID

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    The Chemistry of Lipids Experiment #8 Objective To observe the solubility of lipids in polar and nonpolar solvents and to compare saturated and unsaturated fats in their chemical reaction with bromine. The percent fat in a food will be determined by extraction of the fat and weighing it. Introduction Lipids‚ by definition‚ are natural substances that do not mix with water but dissolve in organic solvents. There are several classes of lipids‚ including: fatty acids‚ waxes‚ triacylglycerols

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    1. Introduction Plumbago zeylanica L. belonging to the family Plumbaginaceae is an important plant of medicinal value. In the Arabian Peninsula‚ it is mainly distributed over Oman‚ Yemen and the Southwestern region of Saudi Arabia. The use of the roots of P. zeylanica for treating skin problems has been recorded by early Muslim physicians. P. zeylanica is greatly valued in Ayurveda for treatment of cough‚ asthma and gastrointestinal disorders. In Sushrutha Samhitha it has been described as antiseptic

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    informative water

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    Ozarka Vs. Stephenville 1. Zipcode 2. Explain titles 3. Scroll over contaminent Great value- Dallas city utilities Basically paying 1900x for dallas tap water 76178 Dichloroacetic acid- cancer treatment in excess. Liver/kidney failure Chloroform- refrigerant in vehicles Methanes- Usually disinfectants but if they’re regulated is it really worth it? Nitrate- agricultural uses Ozarka- natural spring water Yes‚ natural and contains no purposely injected chemicals BUT Never can be completely

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    plant tissue with a pestle. Add 300 L of Methanol 1%HCl and continue to grind the plant tissue. Allow extraction to occur overnight in a dark refrigerator. 3) Add 200 L Milli-Q H20 to each tube. Next‚ go to the fume hood and add 500 L of chloroform to each tube. Spin the tubes in a centrifuge set at the highest rpm for 2-5 minutes. 4) Return to the fume hood and extract the supernatant/aqueous (top) solution from the tube using a pipetmann. To do this start by setting the pipetmann

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    P Guajava Lab Report

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    2.2.3 P. guajava :- P. guajava leaf extracts were subjected to inhibitory effect of glucose utilization using specific standard in vitro procedure. Plant material was subjected to the extraction preparation by soxhlet apparatus by using various solvents such as aqueous‚ ethanol‚ chloroform‚ petroleum ether and hexane. The various kinds of phytochemicals were detected and then in vitro antidiabetic activity of P. guajava were detected by using alpha amylase and alpha glucosidase enzyme in an in vitro

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    Polarography

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    SAMPLE PREPARATION METHODS FOR LIQUID SAMPLES Table of Contents SAMPLE PREPARATON Analytical procedures consist of numerous stages‚ the most important of which is the collection of a sample and its preparation for analysis as samples are usually not in a suitable form for direct introduction into analytical instruments (Tankiewicz et al.‚ 2011). Sample preparation can be thought of as any treatment that the sample is subjected to following its collection‚ prior to its analysis

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    Oil Extraction

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    procedure in order to break up the cell membranes and other structures that would make extraction difficult. In this experiment‚ petroleum ether was used as the solvent due to its low boiling point‚ relatively non-toxic nature (when compared to chloroform or methanol)‚ and of course because it is quite non-polar. When talking about ether‚ two kinds can be used in lipid extraction: anhydrous diethyl ether CH3CH2OCH2CH3 and petroleum ether‚ which is a mixture of pentane (CH3CH2CH2CH2CH3) and hexane

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