a clean‚dry surface then a line Is drawn lightly across the plate about 1cm from the bottom of the plate with the aid of a 2B pencil as shown in figure 3(i). 3.next five 2-3mm lines make‚about 0.8cm is spaced apart and running perpendicularly through the lines across the bottom of the TLC plate. 4.The plate is spotted with 5 different analgesic.A separate capillary tube is used for each sample.The acetaminophen solution is first spotted‚then the caffeine‚then the unknown A‚then aspirin‚and lastly
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climbing the famous mountains located in many countries around the world. Writer Jon Krakauer has been dreaming of climbing Mount Everest. Although climbing mountains may seem fun‚ Jon Krakauer explains his tragic story on Mount Everest in his book‚ Into Thin Air. Throughout his journey up the mountain‚ he experienced danger‚ trust‚ loyalty‚ and respect. Krakauer had to learn to trust others because he could die if something wrong happened during the climb. Trust and respect are the most important themes
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Anatoli Boukreev wrote this response in order to defend himself of the accusations that Krakauer mentioned in “Into Thin Air‚” which he wrote for a magazine. Boukreev’s intention for writing was to justify and clarify the actions that Krakauer included in his report‚ since Boukreev believed that Krakauer was unjustly critical of his actions and decisions on Mount Everest‚ he wanted to argue for himself. Boukreev begins by establishing on what were his decisions and actions were based upon‚ which
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Developmental Education Exemptions Effective spring 2014‚ if you entered the ninth grade in a Florida public school in 2003 or after and earned a standard Florida high school diploma‚ or if you are a student who is serving as an active duty member of any branch of the U.S. Armed Services‚ you will not be required to take the placement test (P.E.R.T.) or enroll in developmental education at any Florida College System institution‚ including Florida State College at Jacksonville (per State Board
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Thin Lenses Group members: Trevor Kitts Ryan Mutsch Author: Trevor Kitts 1402L September 10‚ 2012 Introduction In this week’s lab we looked at the movement of light between multiple lenses and their focal points. Procedure List of materials: Optics Bench‚ equipped with laser and triangular like prism. First‚ we aligned the laser with the 0⁰ mark and the center of the prism so that the light hit the bottom of the prism in a perpendicular form. Second‚ we observed that the light
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Discussion Using the Thin Layer Chromatography experiment‚ caffeine was found to be the most polar due to the fact that it stayed closer to the stationary phase. Caffeine contains four amine groups that are extremely polar as a result of the hydrogen bond and amide functional group. Acetaminophen was found to be the second most polar analgesic drug tested. Acetaminophen contains a polar alcohol group on one side and amide group on the other but also includes non-polar functional groups that consisted
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FRIEND OR FOE? Friends! What came through your mind when you came across this word? Love? Hatred? Saint? Two-faced? Pretender? Or this word makes you grin to your ears and triggers some memories of the past. Whatever friends might mean to you‚ friends play a big part of an ordinary teenager’s life. Some students were asked about what friends mean to them and they all have different ideas and views in friends. Arina‚ 17‚ said “A friend is someone who is close with us and someone who we can lean
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There are different ways to tell the difference between a real friend and a fake friend. Some qualities in a good friend are they are trust worthy‚ they listen to your thoughts‚ concerns and issues‚ and you can tell them stuff without them judging you. If someone doesn’t always use these traits it doesn’t make them a “bad friend”‚ people make mistakes and as people ourselves we should forgive and forget because one of these days were going to mess up too‚ it happens to all of us‚ when we mess up
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References: 1) E. Stahl‚ Thin Layer Chromatography‚ Springer-Verlag‚ New York‚ 1969 2) Camag Scientific‚ Inc.‚ 515 Cornelius Harnett Drive‚ Wilmington‚ NC 28401‚ phone 800-3343909‚ fax 919-343-1834 3) Desaga GmbH‚ P.O. Box 101969‚ D-69009 Heidelberg‚ Germany‚ phone 0-62-21-83590
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meaning of friendship‚ you really haven’t learned anything. . A friend should be one in whose understanding and virtue we can equally confide‚ and whose opinion we can value at once for its justness and its sincerity. A friendship can weather most things and thrive in thin soil; but it needs a little mulch of letters and phone calls and small‚ silly presents every so often - just to save it from drying out completely. A true friend never gets in your way unless you happen to be going down. One
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