A single analysis using chromatography produced a chromatogram with three peaks. The peak for compound A has a retention time of 0.44 min, compound B of 5.86 min and compound C of 6.14 min. i) Compound A does not interact at all with the stationary phase. What information can be obtained from the retention time of A? ii) Calculate the retention factors for compounds B and C respectively. iii) Calculate the selectivity factor for compounds B and C.
A single analysis using chromatography produced a chromatogram with three peaks. The peak for compound A has a retention time of 0.44 min, compound B of 5.86 min and compound C of 6.14 min. i) Compound A does not interact at all with the stationary phase. What information can be obtained from the retention time of A? ii) Calculate the retention factors for compounds B and C respectively. iii) Calculate the selectivity factor for compounds B and C.
Chapter88: Column Chromatography
Section: Chapter Questions
Problem 4P
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![A single analysis using chromatography produced a chromatogram with three
peaks. The peak for compound A has a retention time of 0.44 min, compound
B of 5.86 min and compound C of 6.14 min.
i) Compound A does not interact at all with the stationary phase. What
information can be obtained from the retention time of A?
ii)
Calculate the retention factors for compounds B and C respectively.
iii)
Calculate the selectivity factor for compounds B and C.
iv) The peaks for compounds B and C have respective widths of 0.32 min
and 0.35 min. Calculate the resolution of compounds B and C, and
comment on the significance of the magnitude of your answer.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff4034ead-a81c-474d-bc26-2bb6a2dec46f%2F8e70ef3d-883e-420e-baf5-1c1b17c2e39b%2Fg1fc5v_processed.png&w=3840&q=75)
Transcribed Image Text:A single analysis using chromatography produced a chromatogram with three
peaks. The peak for compound A has a retention time of 0.44 min, compound
B of 5.86 min and compound C of 6.14 min.
i) Compound A does not interact at all with the stationary phase. What
information can be obtained from the retention time of A?
ii)
Calculate the retention factors for compounds B and C respectively.
iii)
Calculate the selectivity factor for compounds B and C.
iv) The peaks for compounds B and C have respective widths of 0.32 min
and 0.35 min. Calculate the resolution of compounds B and C, and
comment on the significance of the magnitude of your answer.
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