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Answer: 7. The level of ethyl acetate is determined in colchicines by headspace gas chromatography. A solution containing 4.361g/100 ml of colchicines in water was prepared. An aqueous standard containing 0.5912 mg/100 ml of ethyl acetate was also prepare. Headspace analysis of 2 ml volumes of the two solutions produced GC peaks for ethyl acetate with the following areas: Colchicines solution: Peak area 13457 Ethyl Acetate solution: Peak area 14689 Calculate the ethyl acetate content in the colchicines sample in pp,/

Answer: 7. The level of ethyl acetate is determined in colchicines by headspace gas chromatography. A solution containing 4.361g/100 ml of colchicines in water was prepared. An aqueous standard containing 0.5912 mg/100 ml of ethyl acetate was also prepare. Headspace analysis of 2 ml volumes of the two solutions produced GC peaks for ethyl acetate with the following areas: Colchicines solution: Peak area 13457 Ethyl Acetate solution: Peak area 14689 Calculate the ethyl acetate content in the colchicines sample in pp,/

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Answer: 0.05538 % w/w, 553.8 ppm. 7. The level of ethyl acetate is determined in colchicines by headspace ges chromatography. A solution containing 4,361g/100 ml of colchicines in water was prepared. An aqueous standard containing 0.5912 mg/100 ml of ethyl acetate was also prepare. Headspace analysis of 2 ml volumes of the two solutions produced GC peaks for ethyl acetate with the following areas: Colchicines solution: Peak area 13457 Ethyl Acetate solution: Peak area 14689 Calculate the ethyl acetate content in the colchicines sample in pp,/
Transcribed Image Text:Answer: 0.05538 % w/w, 553.8 ppm. 7. The level of ethyl acetate is determined in colchicines by headspace ges chromatography. A solution containing 4,361g/100 ml of colchicines in water was prepared. An aqueous standard containing 0.5912 mg/100 ml of ethyl acetate was also prepare. Headspace analysis of 2 ml volumes of the two solutions produced GC peaks for ethyl acetate with the following areas: Colchicines solution: Peak area 13457 Ethyl Acetate solution: Peak area 14689 Calculate the ethyl acetate content in the colchicines sample in pp,/
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