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.
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.
Chapter15: Electrophoresis And Other Separation Methods
Section: Chapter Questions
Problem 5P
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Question
Chemistry
Transcribed Image Text: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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