Exploring Chemical Analysis
Exploring Chemical Analysis
5th Edition
ISBN: 9781429275033
Author: Daniel C. Harris
Publisher: Macmillan Higher Education
Question
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Chapter 22, Problem 22.9P

(a)

Interpretation Introduction

Interpretation:

Manner retention times will be affected if 95 % methanol was used instead of 65 % has to be calculated.

Concept Introduction:

Faster the elution process of a polar solvent lower the retention time for non polar analyte separation. On the other hand, faster the elution process of a non-polar or less polar solvent more the retention time.

(b)

Interpretation Introduction

Interpretation:

Manner retention times will be affected has to be given.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

Manner retention times will be affected if 90 % acetonitrile was used instead of 80 % has to be calculated.

Concept Introduction:

Refer to part (a).

(d)

Interpretation Introduction

Interpretation:

Manner retention times will be affected if 60 % Propanol was used instead of 40 % has to be calculated.

Concept Introduction:

Refer to part (a).

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