The figure shows band broadening behavior for helium for open tubular columns of different inner diameter. a.
Question:
The figure shows band broadening behavior for helium for open tubular columns of different inner diameter.
a. Why does high linear velocity affect plate height more for the wider diameter column?
b. Why do the three column diameters show similar plate heights at linear velocities below 8 cm/s? 8 cm/s?
c. What is the trend for the optimum linear velocity with column diameter?
Transcribed Image Text:
Plate height (mm) 1.0 0.8 0.6 0.4 0.2 0.0 0 20 40 Linear velocity (cm/s) 60 0.53 mm 0.32 mm 0.25 mm 80
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a High linear velocity affects plate height more for the wider diameter column b...View the full answer
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Related Book For
Quantitative Chemical Analysis
ISBN: 9781319164300
10th Edition
Authors: Daniel C. Harris, Charles A. Lucy
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