Biological Sciences College of Arts and Sciences Visayas State Unversity Visca‚ Babay City‚ Leyte Name: Millama‚ Engene O. Course & Year: BS Biotech-2 Lab Schedule: W (1-4) Group 5 Date Performed: Dec. 12‚ 2012 Date Submitted: Jan. 9‚ 2013 Separation of Photosynthetic Pigment by Paper Chromatography I. INTRODUCTION There are different types of components in plant pigments. The most important and abundant chemical pigment found in plants is chlorophyll. This pigment
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different polarities and may be different colors. Mixed pigments can be separated using chromatography paper. Chromatography paper is able to separate mixed pigments due to their polarity and solubility. Pigments of chlorophyll a‚ chlorophyll b and beta carotene will be separated on chromatography paper because each has its own polarity and solubility‚ which results in different distance traveled up the paper. Beta carotene is non-polar so it travels the highest distance‚ followed by chlorophyll
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Separating Water Soluble and Acetone Soluble Inks through Chromatography Abstract: Chromatography is a term used to define a set of laboratory techniques for the separation of mixtures. Through Chromatography we analyzed complex mixtures. In our recent lab we analyzed complex mixtures. The purpose of this lab was to find whether the water soluble or acetone soluble liquid traveled farther. In our recent lab we measured the distance traveled by the different colored water and acetone soluble
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Objective: The objective of the lab is to separate the caffeine samples we are using‚ using thin layer chromatography. The solvent we are using for the separation is 3:1 mixture of Chloroform and Acetone. Principle: Thin layer chromatography (TLC) is an important technique that is useful for separating organic compounds. TLC is often used to monitor the progress of organic reactions and to check the purity of products. Separations in Thin layer chromatography involve distributing a mixture of
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CHM130 Lab 9 Chromatography Name: Karlee Rose A. Data Table (12 points) Paper # Color Source Solvent Distance Component Moves Distance Solvent Moves Rf value 1 Yellow M&M Candies 0.1% Salt Solution 28.88mm 42mm 0.69 2 Yellow Reese’s Pieces 0.1% Salt Solution 16.95mm 32mm 0.53 3 Purple Grape Soda 0.1% Salt Solution 32.15mm 51mm 0.63 4 Purple Grape Koolaid 0.1% Salt Solution 12.12mm 31mm 0.39 5 Red Easter Egg Dye 0.1% Salt Solution 1.18mm 7mm 0.17 6 Red Dry Erase Marker
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ABSTRACT Chromatography is one of the most useful methods of separating minute amounts of complex mixtures into the pure substances contained therein. Chromatographic separations are effected by allowing the components in the mixture to be distributed in two phases‚ one being stationary‚ and the other‚ mobile. Partition chromatography involves two main distribution systems‚ one system is composed of a gas and a liquid and the other consists of two liquids. One type of partition is paper chromatography
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familiarize with the thin layer chromatography (TLC) technique. Second‚ each student has to identify the unknown components by comparing it to one of the tree dissolved liquid analgesics: Acetaminophen‚ Aspirin and Caffeine. Finally‚ calculating the Rf value by measuring the mobile and stationary phase. Chromatography is a technique used to separate mixtures into their compounds. It’s based on a mobile phase and a stationary phase. The mobile phase moves up the thin layer paper by taking the compounds
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Plant Pigment Chromatography VII. Analysis (Questions) 1. What factors are involved in the separation of pigments? Factors that are involved in the separation of pigments can include pigment solubility‚ the attraction between the pigments and paper and the size of each pigment particle. Because of these factors the results were as they were. Beta-carotene traveled the furthest because it forms no hydrogen bonds to the chromatography paper and is slightly soluble in the solvent. Contrastingly
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Community Outreach & Education Program CHROMATOGRAPHY (Adapted from: Forensic Science Activities. University of Colorado Boulder Hughes Initiative. .) DESCRIPTION: Students will use paper chromatography to separate ink molecules and identify the pen used on an unknown sample of handwriting. Students will graph and analyze data they collect using paper chromatography. PURPOSE/GOAL: Students will be able to: • Gain understanding of the purpose of chromatography. • Measure and graph pigment separation
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Chromatography serves mainly as a tool for the examination and separation of mixtures of chemical substances. Chromatography is using a flow of solvent or gas to cause the components of a mixture to migrate differently from a narrow starting point in a specific medium‚ in the case of this experiment‚ filter paper. It is used for the purification and isolation of various substances. There are two phases in chromatography: 1. Stationary Phase – a solid that does not move. In this experiment was the
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