CHEM 2204 Chromatography Lab by wyk.wong » Fri Jul 11‚ 2014 10:25 am Results and Calculations Rf values Rf=(Distance moved by the spot (cm))/(Distance moved by the solvent front (cm)) Toluene: Rf=2 cm/3.8 cm=0.53 (Fluorenone) Rf=1.1 cm/3.8 cm=0.29 (Fluorene) Hexane: Rf=1.8 cm/2.2 cm=0.82 (Fluorene) Rf=0 cm/2.2 cm=0 (Fluorene Table 1: Experimental IR peaks compared to literature IR peaks for fluorenone Functional group Experimental peak (cm-1) Literature peak (cm-1) C-H 3010.5 3013
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may view this basically a comical advertisement showcase by Dr.Pepper. Women were disgraced and wanted to take the campaign down. Immediate reactions to the advertisements were tremendously adverse and led many women to start a dispute against Dr Pepper and the entirety of the
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Fractional Distillation & Gas Chromatography Exp. 1 Pre-Lab: 1) When two substances whose molecules are very similar from a liquid solution‚ the vapor pressure of the mixture related to vapor pressure of the pure substance. Also it could be defined as a two liquid are ideal solution when they don’t react with each other and they make no association. 2) Are a mixture of at least two different liquid‚ and known also as a mixture of two or more liquid in such away that its component
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consulting and handling‚ product marketing‚ VIP customer services and so on. Now‚ Cloud Pepper is serving for many enterprises‚ including China Lodging Group‚ Bank of China and China Mobile. It is widely welcomed. According to the introduction of a presenter in MWC‚ Cloud Pepper is equipped with the DATA of cloud intelligent control termination owned by CloudMinds exclusively. That is why it is so unique. Cloud Pepper looks like a phone. It not only can take photos‚ make calls‚ link the Internet and
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------------------------------------------------- Chili Pepper Cayenne pepper Small white variety of chili grown in Udupi district‚ India The chili pepper (also chile pepper or chilli pepper‚ from Nahuatl chīlli [’t͡ʃiːlːi]) is the fruit[1] of plants from the genus Capsicum‚ members of the nightshade family‚ Solanaceae. The term in British
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Chromatography Analysis of Black Pens to Determine Unknown Sample Purpose: Paper chromatography was performed on five different black pens‚ using four different solutions to determine which would be most appropriate to use on an unknown sample. Paper chromatography was then performed on the unknown sample to identify which pen was used to create it. Procedure: Each person participating in the analysis was assigned one solution to work with: V. Temple used distilled water‚ D. Sellers used
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consider Dr Pepper Snapple Group can choose to offer a new energy drink product. (Product/Market Focus and Value Proposition) DPSG can offer new cola drinks‚ such as a product resembling Coca-Cola or Pepsi. (Product/Market Focus and Value Proposition) DPSG can market an existing‚ or new‚ product exclusively to women. This would be a response to some of the negative feedback from the Dr Pepper TEN "Just for Men" marketing campaign. (Product/Market Focus and Value Proposition) Dr Pepper Snapple Group
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understand that because substances have different properties‚ such as mass‚ that can be separated by chromatography. In our experiment‚ we chose 4 different color source to separate in water. We made sure that all the sources were water soluble because only polar substances will dissolve in water. We chose a black wet-erase marker‚ a red marker‚ a green marker‚ and mixed food coloring to test. The chromatography paper was split into 4 sections‚ about 2 cm above the bottom edge and evenly spaced out. Each
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Chromatography Experiment of the Drosophila Eye Pigmentation Pathway Introduction: How can the use of chromatography help explain single gene mutations of the drosophila melanogaster bio-synthetic pigment pathway? This experiment was meant to help connect the mode of inheritance with different eye color mutations and pinpoint where they occur in the pigment pathway. The drosophila eye color is a result of two bio-synthetic eye color pathways‚ this is expressed as a trait or phenotype‚ a multigene
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Candy Chromatography: What makes those colors? The point of doing this project is to use paper chromatography to see which dyes are used in the coatings of your favorite colored candies. Chromatography is a technique for separating mixtures. Chromatography can be used to separate specific components from a complex mixture‚ based on molecular size or other chemical properties. It can also be used to identify chemicals‚ for example crime scene samples like blood‚ drugs‚ or explosive residue. Highly
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