Quantitative Chemical Analysis 9e And Sapling Advanced Single Course For Analytical Chemistry (access Card)
Quantitative Chemical Analysis 9e And Sapling Advanced Single Course For Analytical Chemistry (access Card)
9th Edition
ISBN: 9781319090241
Author: Daniel C. Harris, Sapling Learning
Publisher: W. H. Freeman
Question
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Chapter 24, Problem 24.6P

a)

Interpretation Introduction

Interpretation:

The characteristics of an ideal carrier gas has to be given.

Concept Introduction:

The mobile phase is used as carrier gas in gas chromatography that is generally a rare gas like Helium, or non-reactive gas such as Nitrogen. The most commonly used carrier gas is Helium in 90% of instruments though Hydrogen is used as preferred for improved separations.

To give the characteristics of an ideal carrier gas

b)

Interpretation Introduction

Interpretation:

The reason why Hydrogen and Helium allows more rapid linear velocities than Nitrogen in gas chromatography has to be explained.

Concept Introduction:

The mobile phase is used as carrier gas in gas chromatography that is generally a rare gas like Helium, or non-reactive gas such as Nitrogen. The most commonly used carrier gas is Helium in 90% of instruments though Hydrogen is used as preferred for improved separations.

To explain the reason why Hydrogen and Helium allows more rapid linear velocities than Nitrogen in gas chromatography

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