Mass spectrometric measurements of zinc near the detection limit gave the following counts: 75.1, 68.2, 64.1, 93.5, 55.6, 70.8, 80.7, 72.3, 59.2, and 76.8. A blank solution was measured 10 times and gave a mean signal of 18 counts. A sample containing 1.20 µM Zn2+ gave a signal of 1 159 counts. What is the concentration detection limit for zinc?
Mass spectrometric measurements of zinc near the detection limit gave the following counts: 75.1, 68.2, 64.1, 93.5, 55.6, 70.8, 80.7, 72.3, 59.2, and 76.8. A blank solution was measured 10 times and gave a mean signal of 18 counts. A sample containing 1.20 µM Zn2+ gave a signal of 1 159 counts. What is the concentration detection limit for zinc?
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter1: Introduction
Section: Chapter Questions
Problem 1.9QAP
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Mass spectrometric measurements of zinc near the detection limit gave the following counts: 75.1, 68.2, 64.1, 93.5, 55.6, 70.8, 80.7, 72.3, 59.2, and 76.8. A blank solution was measured 10 times and gave a mean signal of 18 counts. A sample containing 1.20 µM Zn2+ gave a signal of 1 159 counts. What is the concentration detection limit for zinc?
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