7. The level of ethyl acetate is determined in colchicines by headspace gas Answer: 0.055. 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,/
7. The level of ethyl acetate is determined in colchicines by headspace gas Answer: 0.055. 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,/
Chapter31: Introduction To Analytical Separations
Section: Chapter Questions
Problem 31.19QAP
Related questions
Question
![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,/](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa2848945-9433-4f08-b24b-459205314d91%2F8222f3ac-677a-4cbe-9098-0566d1af25bb%2F4ib383c_processed.jpeg&w=3840&q=75)
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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