Investigate the linear calibration range of this experiment.

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
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9 In the determination of lead in aqueous solution by electrochemical atomic-
absorption spectrometry with graphite-probe atomization, the following results
were obtained:
Lead concentration, ng ml 10
25
50
200
300
100
Absorbance
0.05 0.17 0.32
0.60
1.07
1.40
Investigate the linear calibration range of this experiment.
(Based on Giri, S. K., Shields, C. K., Littlejohn, D. and Ottaway, J. M. 1983.
Analyst 108: 244)
Transcribed Image Text:9 In the determination of lead in aqueous solution by electrochemical atomic- absorption spectrometry with graphite-probe atomization, the following results were obtained: Lead concentration, ng ml 10 25 50 200 300 100 Absorbance 0.05 0.17 0.32 0.60 1.07 1.40 Investigate the linear calibration range of this experiment. (Based on Giri, S. K., Shields, C. K., Littlejohn, D. and Ottaway, J. M. 1983. Analyst 108: 244)
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