EBK EXPLORING CHEMICAL ANALYSIS
EBK EXPLORING CHEMICAL ANALYSIS
5th Edition
ISBN: 8220101443908
Author: Harris
Publisher: MAC HIGHER
Question
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Chapter 21, Problem 21.9P

(a)

Interpretation Introduction

Interpretation:

Value of w1/2 has to be measured to nearest 0.1 mm.

Concept Introduction:

Expression to compute number of theoretical plate is as follows:

  N=5.55 tr2w1/22

Here,

tr denotes analyte’s  retention time.

w1/2 denotes peak width at half-height.

N denotes number of theoretical plate.

(b)

Interpretation Introduction

Interpretation:

Number of theoretical plates has to be measured for toluene and ethyl acetate peaks.

Concept Introduction:

Refer to part (a).

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