The following calibration data were obtained by an atomic absorption spectrophotometric (AAS) method for the determination of mercury in an herbal product. (show complete solution) 1. What is the detection limit for the method? 2. What is the limit of quantitation for the method?

The following calibration data were obtained by an atomic absorption spectrophotometric (AAS) method for the determination of mercury in an herbal product. (show complete solution) 1. What is the detection limit for the method? 2. What is the limit of quantitation 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

The following calibration data were obtained by an atomic absorption spectrophotometric (AAS) method for the determination of mercury in an herbal product.

(show complete solution)

1. What is the detection limit for the method?

2. What is the limit of quantitation for the method?

Concentration (ppm)
No. of replicates
Mean Analytical Signal +
Standard deviation
0.00
25
0.0310 + 0.0079
2.00
0.1730 + 0.0094
6.00
5
0.4220 + 0.0084
10.00
0.7020 + 0.0084
14.00
0.9560 + 0.0085
18.00
5
1.2480 + 0.0110

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