must you use lead pencil‚ instead of a pen‚ to mark your chromatography paper? A lead pencil should be used instead of a pen because the ink of the pen would dissolve in the eluting solution and separate. The components of the ink could mix with the other ink/ dyes that would be tested on the same chromatogram. Thus‚ a lead pencil should be used. 2. Why should you avoid touching the surface of the paper to be used for amino-acid chromatography? We should avoid touching the surface of the chromatogram
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Extraction Important Peaks Concluded Compound C-5 #1 -CH‚ C=O cyclopentanone C-5 #2 -OH‚ -CH 1-hexanol D-4 #1‚2 C=O‚ -CH Cannot conclude Preparative Gas Chromatography was used to separate volatile compounds‚ which can then be identified. The injected sample becomes vaporized and was carried through the mobile column. It is usually carried by an inert gas. The gases were moved through the stationary column. The polarity of the components to the column would cause the separation of the components
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Search the web. Some interesting sites are listed below. Note that some of these sites go into much more depth than is reasonable for this course. http://en.wikipedia.org/wiki/Chromatography http://ull.chemistry.uakron.edu/analytical/Chromatography/ http://orgchem.colorado.edu/hndbksupport/TLC/TLC.html this is for TLC – similar to paper http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/C/Chromatography_paper.html http://jchemed.chem.wisc.edu/JCESoft/Programs/CPL/Sample/modules/paprchrom/paprchromdesc
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offered a choice between two candies (Three Musketeers and Milky Way) at each house. (b) Simultaneous choice: In the other condition they approached a single house where they were asked to “choose whichever two candy bars you like.” Large piles of both candies were displayed to assure that the children would not think it was rude to take two of the same. The results showed a strong diversification bias in the simultaneous choice condition: every child selected one of each candy. In contrast‚ only 48 percent
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Bite Mark Impressions - Teacher Information Materials: Small Styrofoam plates (1 per student) Permanent Markers (1 per student) Rulers (1 per student) Assortment of soft candies (Swedish fish‚ orange slices‚ Laffy Taffy‚ circus peanuts‚ etc.) Overhead Transparencies (Cut into fourths) Timer Directions: Part 1: Make an Impression Distribute Styrofoam plates and permanent markers to each student Instruct students to bend the plate in half so that the top of the plate is on the inside
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Situation Analysis of Sapid Sweets |Who are you? |Sapid Sweets‚ producer of exquisite chocolate and confectionery | | |products‚ sold around the world | |What is your purpose? |Business was started to bring delicious sweetness into the world. | |
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is trapped in a job which he was forced to do and married to a woman who he did not feel for. He is trapped in his current way of living solely because of his old mistakes. He feels incarcerated because he leads a monotonous life‚ where he runs a candy store‚ given to him by his in-laws. He worked from eight in the morning till midnight‚ six days a week. He catches a ten year old girl stealing from his store on a Monday and suddenly this adds meaning to his life. Tommy sees a part of himself in
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ACC 422 WEEK 2 – 5 WILEY PLUS EXERCISES To purchase this‚ visit here http://www.coursehomework.com/product/acc-422-week-2-5-wiley-plus-exercises/ ACC 422 WEEK 2 - 5 WILEY PLUS EXERCISES - A+ WORK Week 2 Question 1 (Determine Cash Balance) Presented below are a number of independent situations. For each individual situation‚ determine the amount that should be reported as cash. 1. Checking account balance $925‚000; certificate of deposit $1‚400‚000; cash advance to subsidiary of $980‚000; utility
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printers shop to work in a confectioner’s shop near Lancaster‚ PA. Not long after Hershey discovered an interest in candy making and selling. Four years later he opened a candy shop‚ but unfortunately competition got the better of his shop and closed in 1882. Hershey then moved to Denver‚ Colorado to work for a manufacturer of caramel. There he learned that good fresh milk can make candy taste better and sell better. Finally in 1894‚ Milton Hershey started the Hershey’s Chocolate Company (Hinkle).
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SITUATION ANALYSIS: Mohan Kumar Gupta started KCPL in Jaipur in 1945 to sell sugar candies under the brand “MKG”. He set up a production unit in 1946 but due to competition‚ his profit margins came down. In 1954‚ he thus shifted the production unit to Kanpur. By 1970 ‚He covered the entire UP and regions of Bihar as well as MP and emerged as a leader in candy business in his region He then ventured into the biscuit industry. Its turnover increased during the early 80’s
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