Exploring Chemical Analysis
Exploring Chemical Analysis
5th Edition
ISBN: 9781429275033
Author: Daniel C. Harris
Publisher: Macmillan Higher Education
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Chapter 23, Problem 23.4P

(a)

Interpretation Introduction

Interpretation:

Usefulness of gradient from pH 8 to some lower pH to elute the protein has to be explained.

Concept Introduction:

A protein remains as zwitterion in solution. An anion exchanger has bound positively charged group that attracts the negatively charged part in the solution.

(b)

Interpretation Introduction

Interpretation:

Elution rate of protein with the increase in the concentration of NaCl has to be explained.

Concept Introduction:

Refer to part (a).

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3) Determine if the pairs are constitutional isomers, enantiomers, diastereomers, or mesocompounds. (4 points)
In the decomposition reaction in solution B → C, only species C absorbs UV radiation, but neither B nor the solvent absorbs. If we call At the absorbance measured at any time, A0 the absorbance at the beginning of the reaction, and A∞ the absorbance at the end of the reaction, which of the expressions is valid? We assume that Beer's law is fulfilled.
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