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MULTICOMPONENT ANALYSIS USING UV/VIS …

MULTICOMPONENT ANALYSIS USING . UV/VIS SPECTROPHOTOMETRY. Introduction The goal of this experiment is to determine the concentrations of two hydrocarbon isomers, 1-methylanthracene and 9-methylanthracene, in a solution USING absorbance measurements in the ultraviolet region of the spectrum. Both compounds are polycyclic aromatic hydrocarbons (PAHs), compounds that are generated during the incomplete combustion of organics. PAHs are ubiquitous environmental organic pollutants, and many are suspected carcinogens. The structures of the analytes is given below: 9-methylanthracene 1-methylanthracene Since the compounds are so similar, it might be expected that there is considerable overlap of absorption spectra. In this experiment, you will demonstrate that it is possible to measure the concentrations of both isomers in a mixture USING spectrophotometry.

environmental organic pollutants, and many are suspected carcinogens. ... compound identification and quantitative analysis. Almost all spectrochemical methods of analysis depend in some way on the absorption of light energy by atoms or molecules. Light can be considered to consist of energy packets called photons, each with ... Name: unknown #:

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