Answered: Concentration (mg Cinnamaldehyde…

Concentration (mg Cinnamaldehyde Eugenol Thymol sample/200 uL) 0.50 0.4 0.65 1.8 0.75 1.0 0.8 1.10 1.2 1.25 2.0 1.30 3.0 1.50 1.5 1.90 3.1 2.0 4.6 2.50 4.0 5.8

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter47: Benzocaine

Section: Chapter Questions

Problem 4Q

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Question

Cinnamon is made up of a mixture of many compounds. Cinnamaldehyde is the component responsible for cinnamon flavor. Several of these compounds are also a potent antimicrobial compounds present in essential oils. The following results were obtained for known concentrations of three of the compounds.

Concentration (mg sample/200 uL)	Cinnamaldehyde	Eugenol	Thymol
0.50		0.4
0.65			1.8
0.75	1.0	0.8
1.10		1.2
1.25	2.0
1.30			3.0
1.50		1.5
1.90	3.1	2.0	4.6
2.50	4.0		5.8

Determine the calibration curve equations for each component including regression.

which component has the highest calibration sensitivity?
A sample containing the three essential oils in part b gave the peak areas relative to the internal standard of cinnamaldehyde 2.6, eugenol 0.9 and thymol 3.8. Determine the concentration of each of the oils in the sample and the standard deviations.

Concentration (mg Cinnamaldehyde
Eugenol
Thymol
sample/200 uL)
0.50
0.4
0.65
1.8
0.75
1.0
0.8
1.10
1.2
1.25
2.0
1.30
3.0
1.50
1.5
1.90
3.1
2.0
4.6
2.50
4.0
5.8

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