Quantitative Chemical Analysis
Quantitative Chemical Analysis
9th Edition
ISBN: 9781464135385
Author: Daniel C. Harris
Publisher: W. H. Freeman
Question
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Chapter 28, Problem 28.19P

(a)

Interpretation Introduction

Interpretation:

The steps in QuEChERS and their purpose has to be described.

(b)

Interpretation Introduction

Interpretation:

The reason for an internal standard used in QuEChERS has to be said.

(c)

Interpretation Introduction

Interpretation:

What is displayed in the total ion chromatogram shown in the given figure has to be explained.

(d)

Interpretation Introduction

Interpretation:

What is displayed in the extracted ion chromatogram in the given figure has to be explained and the difference between an extracted ion chromatogram and selected ion chromatogram has to be explained.

(e)

Interpretation Introduction

Interpretation:

The mass spectrometric method is used to obtain greater signal-to-noise ratio from the same QuEChERS extract has to be said.

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