A banned pesticide, DDT, is analyzed through gas chromatography. A DDT standard is diluted accordingly to generate 1.00, 5.00, 10.00, 15.00, 20.00, and 25.00 ppm standards. These standards generate peaks with peak areas of 0.100, 0.210, 0.295, 0.405, 0.510, and 0.600, respectively. If a nearby watershed sample is subjected to GC analysis, and the sample generated a 0.175 peak area, what is the concentration of DDT in the sample? 3.12 ppm 4.02 ppm 5.09 ppm 1.65 ppm 3.75 ppm
A banned pesticide, DDT, is analyzed through gas chromatography. A DDT standard is diluted accordingly to generate 1.00, 5.00, 10.00, 15.00, 20.00, and 25.00 ppm standards. These standards generate peaks with peak areas of 0.100, 0.210, 0.295, 0.405, 0.510, and 0.600, respectively. If a nearby watershed sample is subjected to GC analysis, and the sample generated a 0.175 peak area, what is the concentration of DDT in the sample? 3.12 ppm 4.02 ppm 5.09 ppm 1.65 ppm 3.75 ppm
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter26: An Introduction To Chromatographic Separations
Section: Chapter Questions
Problem 26.14QAP
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