Chemistry

CHEMISTRY AND THE ENVIRONMENT CHM 1000 SPRING 2012 LABORATORY melodic theme CHROMATOGRAPHY PRESENTED BY: Magloire butt on 10 2012 INTRODUCTION Chromatography is a research laboratoryoratory technique for the dissimilariation of forms. The variety is rund in a fluid named mobile kind which carries it through a body structure holding another textile called the stationary phase. The constituents of the mixture travel at different spee ds causing them to separate. We should note that in that location ar numerous forms of chromatography which be column chromatography, gas chromatography, minute layer chromatography, penning chromatography.

Our lab testament consist of applying chromatography for aminic acid mixture. Questions 1. Why must(prenominal) you use racecourse pencil, instead of a pen, to mark your chromatography paper? The pen has ink which will dissolve in the chromatography solvent. The black lead from a pencil lead is insoluble so will not spread and offend our chromatogram. 2. Why should you avoid contemptible the surface of the paper to be employ for amino-acid chromatography? Ou r skin has soil which will affect the polar! ities of the substances impact by capillary action. Chromatography is used to determine the components of a mixture based on polarity. If the fair used to analyze the components is compromised thusly we will alter our data and the result may not be accurate. 3. Where is the kitchen, or in the body, might one set upon mixtures of amino acids? Amino acids are molecules containing an amine group, a carboxylic acid group and a side-chain that is specific to each amino acid. The key elements of an amino acid...If you expect to get a wide-cut essay, order it on our website: OrderEssay.net

If you want to get a full information about our service, visit our page: write my essay