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Mass spectral measurements were made on 10 replicate low concentration Ni-EDTA samples: 178.9, 141.2, 158.7, 173.7, 142.7, 212.1, 163.7, 168.3, 157.7, and 175.3 counts. Ten measurements of a blank had a mean measurement of 32.5 counts. A sample containing 2.00 µM Ni-EDTA gave a measurement of 1693 counts. Estimate the signal detection limit for Ni-EDTA. 167 count 39.4 count 93.4 counts 20.3 count

Mass spectral measurements were made on 10 replicate low concentration Ni-EDTA samples: 178.9, 141.2, 158.7, 173.7, 142.7, 212.1, 163.7, 168.3, 157.7, and 175.3 counts. Ten measurements of a blank had a mean measurement of 32.5 counts. A sample containing 2.00 µM Ni-EDTA gave a measurement of 1693 counts. Estimate the signal detection limit for Ni-EDTA. 167 count 39.4 count 93.4 counts 20.3 count

Chemistry
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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Mass spectral measurements were made on 10 replicate low concentration Ni-EDTA samples: 178.9, 141.2, 158.7, 173.7, 1427, 212.1, 163.7, 168.3, 157.7, and 175.3 counts. Ten measurements of a blank had a mean measurement of 32.5 counts. A sample containing 2.00 µM Ni-EDTA gave a measurement of 1693 counts. Estimate the signal detection limit for Ni-EDTA. 167 count 39.4 count 93.4 counts 20.3 count
Transcribed Image Text:Mass spectral measurements were made on 10 replicate low concentration Ni-EDTA samples: 178.9, 141.2, 158.7, 173.7, 1427, 212.1, 163.7, 168.3, 157.7, and 175.3 counts. Ten measurements of a blank had a mean measurement of 32.5 counts. A sample containing 2.00 µM Ni-EDTA gave a measurement of 1693 counts. Estimate the signal detection limit for Ni-EDTA. 167 count 39.4 count 93.4 counts 20.3 count
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