Answered: a) State TWO (2) differences between…

a) State TWO (2) differences between those two calibration curves. b) State THREE (3) limitations of internal standardization method in analytical chemistry

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter11: Intermolecular Forces And Liquids

Section11.6: Properties Of Liquids

Problem 1.2ACP

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Question

Figure 1 shows normal calibration of benzene, meanwhile Figure 2 shows calibration of benzene using internal standard method.

a) State TWO (2) differences between those two calibration curves.

b) State THREE (3) limitations of internal standardization method in analytical chemistry.

40000
30000
20000
10000
0 5
10
15
20
Benzene (wt%)
25
30
35
Figure 1
2.0
11.5
1.0
A 0.5
0.0
5
10
15
20
25
30
35
Benzene (wt%)
Figure 2
A_ben / A tol
A_ben (peak area)

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