PART A: Substance A was found to have a retention times of 3.15 minutes on a 70.00-cm column. An unretained species passed through the column in 0.50 minutes. The peak width (at base) for A was 0.60 minutes. Using this information, determine the following: 1. What is the retention factor for analyte A? 2. What is the plate count for this column? 3. What is the height equivalent of a theoretical plate?
PART A: Substance A was found to have a retention times of 3.15 minutes on a 70.00-cm column. An unretained species passed through the column in 0.50 minutes. The peak width (at base) for A was 0.60 minutes. Using this information, determine the following: 1. What is the retention factor for analyte A? 2. What is the plate count for this column? 3. What is the height equivalent of a theoretical plate?
Chapter91: Gas Chromatography
Section: Chapter Questions
Problem 1P
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PART A: Substance A was found to have a retention times of 3.15 minutes on a 70.00-cm column. An unretained species passed through the column in 0.50 minutes. The peak width (at base) for A was 0.60 minutes. Using this information, determine the following:
1. What is the retention factor for analyte A?
2. What is the plate count for this column?
3. What is the height equivalent of a theoretical plate?
PART B: Match each statement with one of these terms.
A Partition coefficient
B Mobile phase
C Elution
D Longitudinal diffusion
E Stationary phase
F Eddy diffusion
G Retention factor
H Plate number
I Dead time
J Retention time
K Selectivity factor
L Column resolution
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