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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Date:7.6.2013 Objectives: Part 1: (i)To learn the technique of TLC and the visualization of colourless components. (ii)Identify the unknown drug by a TCL comparison with standard components. Part2 :to learn the separation technique by using TLC plate in separating a mixture of compound by using spinach leaf. Apparatus:UV lamp‚capillary ‚250 ML beaker Materials:aspirin‚acetaminophen‚caffeine‚unknown A‚unknown B‚TLC plates‚ethyl acetate‚Hexane‚acetic acid‚iodine Introduction: Procedure:
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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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circulating the news circuit are put in the back burner behind the latest celebrity scandal‚ wardrobe malfunction‚ and YouTube hit. Real issues such as the war and its progress are not headlines but only on shorter time slots. It seems like the importance of important issues has even been ignored by respectable news organizations and publications. The draw to scandal has even become main news whether its focus is on celebrities or respectable public figures. Nobody is safe from gossip and the popularity
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Celebrities are bad role models Do celebrities make bad role models? I believe they do. Kids see celebrities in the news everyday and mimic what they do‚ thinking that they should be like them. But that is wrong. Most celebrities don’t know what they are doing in their life because they have a hard time telling reality from fantasy. They are like you and me‚ but people think that they are more than that. Most magazines and movies have pictures/videos of airbrushed celebrities and when teenager look
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Celebrities are everywhere‚ it’s unavoidable. Some people believe one place celebrities should stay out of though is advertising. Sue Jozui in her passage argues that consumers should boycott celebrity advertising and create rules and guidelines for advertisers. The author supports her argument by listing examples of celebrity advertising. She continues by stating‚ “This kind of marketing is misleading and insults the intelligence of the audience.”(4). The author’s purpose is to persuade consumers
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KNOW YOUR CELEBRITY WITH CELEBRITY NETWORTHS.ORG Celebrities are not readymade. They will come with much hard work presenting their skills at every time they got a chance and enhancing them when they get the opportunity at any instant of time. The celebrity status helps in making the people to earn money because of the craze they have got. No boundaries or limits are there in order to become celebrity. There are many fields such as politics science‚ arts‚ sports and some more other fields. Difference
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Many companies pay a celebrity to promote the company’s product to the public. Many people disagree with this while others see the U.S. as the free market that is instituted . Sue Jouzi in her excerpt‚ covering the topic of celebrity endorsements‚ argues that celebrity endorsements are unfair to the consumer. The author supports her position by first explaining that endorsements show celebrities driving certain cars‚ wearing certain clothes‚ or eating certain food. She continues by giving examples
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There is no doubt celebrities love partying where there are girls‚ and where good times are guaranteed‚ and that place is also known as Nevada. Since 1971‚ Nevada has been home to legal brothels‚ excluding Las Vegas and Carson City‚ but since then‚ celebrities from all over the world have made their way to several brothels in Nevada to have the time of their lives. The public may never know how or when these celebrities find their way to these brothels because they make it a priority to keep
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Celebrity Culture and Media For sure‚ the role of the game in recent years has been changed‚ Celebrities no longer rely solely on traditional media‚ but their needs has expanded to the social networks such as Twitter and Face book and others. In second hand‚ in the Media and internet we can find the most intimate details of the lives of celebrities‚ even we can say that the privacy will be destroyed‚ and it seems like any one cannot do anything about it. We cannot recognize the ability of the press
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