Essays on Chromatography

The chromatography lab is to understand how molecules with similar molecular properties can be separated with paper chromatography. These differences will be interpreted to see the distinction of separate chemical substances. Pre Lab Questions Explain capillary action as it pertains to water and paper. Capillary action makes water draw up the paper. As paper absorbs…

Background Information and Research: 1. Paper chromatography type of method that is used to separate mixtures of substances from a solution. 2. There are many uses for paper chromatography, especially concerning the fields of chemistry and biology. One use is to allow scientists to detect any sort of contaminants is rainwater. Another use is to…

Candy chromatography is a method of analysis of separating and comparing of dyes used in candies and food coloring. It is also a proven method to analyze candy and its complex mixture, without having to taste it. These complex mixtures can be separated back into pure substances. To find out the ingredients of a favorite…

Separating Ferrocene and Acetylferrocene by Adsorption Chromatography Dry Pack Method Leah Monroe February 27, 2003 Organic Chemistry Lab II Experiment performed on February 18 and 20, 2003 Abstract: Adsorption column chromatography is one way to separate compounds out of a mixture. In this technique, a solid stationary phase called the adsorbent is packed in a…

Abstract Pigments extracted from different greens have 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…

Paper chromatography is an analytical method that is used for separating and identifying mixtures of substances into their smaller parts. Paper chromatography works because the ink used contains several dyes (pigments) that when place on porous paper are dissolved in a solvent by capillary action. When the pigments (solutes) are dissolved in the solvent (water…

Abstract Paper Chromatography uses a chromatogram paper as its stationary phase and the solvent as the mobile phase. Retention factor is the ratio of the distance travelled by the sample to the distance travelled by the solvent. This experiment aims to separate organic compounds, to compute Rf values and to identify unknown compounds using Rf…

Introduction: Lycopene is a carotene because of its carbon and hydrogen composition. It is red in color and a member of the carotenoid family. Members of the carotenoid family play integral roles in plants. They use the absorption of light to aid in photosynthesis, and protect chlorophyll from damage. In humans, Lycopene acts as an…

Steam bath. ice bath. Buchner funnel. beaker. conelike flask. filter paper. TLC setup. Melting point setup Materials / chemicalsBenzaldehyde. propanone. ethanolic Na hydrated oxide. ethyl alcohol IntroductionThe synthesis of dibenzalacetone is formed from an Aldol condensation reaction. An Aldol condensation reaction is a really effectual manner of organizing a C – C bond reaction. in…

ynthesize my own aspirin Analyse the purity of my aspirin samples (aspirin and recrystallized aspirin) compared to commercial aspirin by use of analysing melting points, TLC plates and colorimetry tests Investigate how pH effects the rate of hydrolysis of aspirin Background theory Making my own sample of Salicylic acid (to then be converted into Aspirin)…