EBK EXPLORING CHEMICAL ANALYSIS
EBK EXPLORING CHEMICAL ANALYSIS
5th Edition
ISBN: 9781319416942
Author: Harris
Publisher: VST
Question
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Chapter 20, Problem 20.18P

(a)

Interpretation Introduction

Interpretation:

Purpose of addition of CsCl while food is digested in Teflon bomb has to be given.

Concept Introduction:

Expression to compute detection limit is as follows:

  Detection limit =3sm

Formula to compute Lower limit of quantitation is as follows:

  Lower limit of quantitation=10sm

Here,

m refers to slope.

s denotes standard deviation for sample.

(b)

Interpretation Introduction

Interpretation:

Calibration line has to be drawn and slope and intercept along with standard deviation and R2 has to be determined from spreadsheet.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

Metals that interfere and wavelength that should be preferred has to be identified.

Concept Introduction:

Refer to part (a).

(d)

Interpretation Introduction

Interpretation:

Signal detection limit and lower limit of quantitation have to be calculated.

Concept Introduction:

Refer to part (a).

(e)

Interpretation Introduction

Interpretation:

Lower limit of quantitation has to be calculated.

Concept Introduction:

Refer to part (a).

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