A method of quantitative determination of the concentration of constituents of a sample analyzed by gas chromatography is area normalization. This complete elution of all sample constituents is required. The area of each peak is measured and corrected for the detector response to the diffe- rentes eluatos. This correction involves dividing the area by an empiricalcorrection factor Determined. The concen ration of the analyte is found from the ratio between its corrected and the total corrected area of all peaks. For a chromatogram containing three relative areas were determined as 16.4; 45,2; and 30.2, in the order of increased retention time. Calculate the percentage of each compound if the relative responses from the detector are 0.65, 0.73 and 0.85, respectively.

A method of quantitative determination of the concentration of constituents of a sample analyzed by gas chromatography is area normalization. This complete elution of all sample constituents is required. The area of each peak is measured and corrected for the detector response to the diffe- rentes eluatos. This correction involves dividing the area by an empiricalcorrection factor Determined. The concen ration of the analyte is found from the ratio between its corrected and the total corrected area of all peaks. For a chromatogram containing three relative areas were determined as 16.4; 45,2; and 30.2, in the order of increased retention time. Calculate the percentage of each compound if the relative responses from the detector are 0.65, 0.73 and 0.85, respectively.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter7: Statistical Data Treatment And Evaluation

Section: Chapter Questions

Problem 7.18QAP

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One method for quantitative determination of the concentration of constituents in a sample analyzed by gas chromatography is the area normalization method. In this method, complete elution of all of the sample constituents is necessary. The area of each peak is then measured and corrected for differences in detector response to the different eluates. This correction is accomplished by dividing the area by an empirically determined correction factor. The concentration of the analyte is found from the ratio of its corrected area to the total corrected area of all peaks. For a chromatogram containing three peaks, the relative areas were found to be 16.4, 45.2, and 30.2 in the order of increasing retention time. Calculate the percentage of each compound if the relative detector responses were 0.60, 0.78, and 0.88, respectively
One method for the quantitative determination of the concentration of constituents in a sample analyzed by gas chromatography is area normalization. Here, complete elution of all the sample constituents is necessary. The area of each peak is then measured and corrected for differences in detector response to the different eluates. This correction involves dividing the area by an empirically determined correction factor. The concentration of the analyte is found from the ratio of its corrected area to the total corrected area of all peaks. For a chromatogram containing three peaks, the relative areas were found to be 16.4, 45.2 and 30.2, in order of increasing retention time. Calculate the percentage of each compound if the relative detector responses were 0.60, 0.78 and 0.88, respectively.
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