(a) Sketch a graph of the van Deemter equation (plate height versus flow rate). Sketch what the graph would look like if (i) the multiple path term was 0; (ii) the longitudinal diffusion term was 0; and (iii) the finite equilibration time was 0. (b) Shown below are three different van Deemter curves for particles of varying sizes. Propose explanations for their differences based on terms in the van Deemter equation. Thereby explaining why smaller particle size is desirable. HETP (μm) 60 40 20 0 0 2 0 D 5 μm 4 FLOW RATE (mL/min) 6 10 μm Q 3 μm 8

(a) Sketch a graph of the van Deemter equation (plate height versus flow rate). Sketch what the graph would look like if (i) the multiple path term was 0; (ii) the longitudinal diffusion term was 0; and (iii) the finite equilibration time was 0. (b) Shown below are three different van Deemter curves for particles of varying sizes. Propose explanations for their differences based on terms in the van Deemter equation. Thereby explaining why smaller particle size is desirable. HETP (μm) 60 40 20 0 0 2 0 D 5 μm 4 FLOW RATE (mL/min) 6 10 μm Q 3 μm 8

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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