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Appl Of Ms Excel In Analytical Chemistry

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter8: Polyfunctional Acids And Bases

Section: Chapter Questions

Problem 14P

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Question

8. What is the optimum pH to separate a mixture of lysine (2.2, 9,0, 10.0), arginine (1.82, 8.99,
13.2), and cysteine (1.8, 10.8, 8.3) by spotting the mixture in the center of a piece of paper and
subjecting it to an electric field?
А. 4.5
В. 5.0
С. 7.0
D. 7.5
Е. 8.0
F.
8.5
G. 5.5
H. 9.5
I.
11.0

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