Chemistry 1. The foilowing calibration data were obtained by visible spectroscopy for the determination of FD&CYellow 5 in various food products:Concentration of StandardFD&C Yellow 5 (mg/L)0.00Number of replicatemeasurements (n)Mean analytical signal(Abs)0.099Standard deviation(Abs)0.00810.00500.00800.0078155.001010.000.1850.2824.15.004.0.34520.0025.0040.4250.00850.010940.483a. Determine the calibration sensitivity of the method.b. Determine the exact LOD (in mg/L) for the method.c. Determine the exact LOQ (in mg/L) for the method.

(a) Calibration curve fits into the equation: y = 0.018x + 0.063…

Answered: a. Dotermine the callbration…

a. Dotermine the callbration sensitivity of the method. b. Determine the exact LOD (in mg/L) for the method. c. Determine the exact LOQ (in mg/L) for the method.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Chemistry

1. The foilowing calibration data were obtained by visible spectroscopy for the determination of FD&C
Yellow 5 in various food products:
Concentration of Standard
FD&C Yellow 5 (mg/L)
0.00
Number of replicate
measurements (n)
Mean analytical signal
(Abs)
0.099
Standard deviation
(Abs)
0.0081
0.0050
0.0080
0.0078
15
5.00
10
10.00
0.185
0.282
4.
15.00
4.
0.345
20.00
25.00
4
0.425
0.0085
0.0109
4
0.483
a. Determine the calibration sensitivity of the method.
b. Determine the exact LOD (in mg/L) for the method.
c. Determine the exact LOQ (in mg/L) for the method.

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