To determine the instrument detection limit of Pb2+ ions, a student made 10 blank solutions and measured their signals. The standard deviation of the signals are 0.199. Then the student made a series of Pb2+ standard solutions (concentration range is 2.00 ppm to 15.00 ppm) and measured their signals. The equation of the calibration curve is: y = 3.413 x+ (b). What is the instrument detection limit of Pb2+ in ppm? Do not include unit. Keep three decimal places in the answer. %3D
To determine the instrument detection limit of Pb2+ ions, a student made 10 blank solutions and measured their signals. The standard deviation of the signals are 0.199. Then the student made a series of Pb2+ standard solutions (concentration range is 2.00 ppm to 15.00 ppm) and measured their signals. The equation of the calibration curve is: y = 3.413 x+ (b). What is the instrument detection limit of Pb2+ in ppm? Do not include unit. Keep three decimal places in the answer. %3D
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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![To determine the instrument detection limit of Pb2+ ions, a student made 10 blank
solutions and measured their signals. The standard deviation of the signals are 0.199.
Then the student made a series of Pb2+ standard solutions (concentration range is
2.00 ppm to 15.00 ppm) and measured their signals. The equation of the calibration
curve is: y = 3.413 x+ (b). What is the instrument detection limit of Pb2+ in ppm? Do
not include unit. Keep three decimal places in the answer.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F33359029-125f-4134-8c96-33c25be7a6ef%2F3e5b108e-9a6f-43fe-9590-15f5a17ba4f5%2Frlu9bce_processed.jpeg&w=3840&q=75)
Transcribed Image Text:To determine the instrument detection limit of Pb2+ ions, a student made 10 blank
solutions and measured their signals. The standard deviation of the signals are 0.199.
Then the student made a series of Pb2+ standard solutions (concentration range is
2.00 ppm to 15.00 ppm) and measured their signals. The equation of the calibration
curve is: y = 3.413 x+ (b). What is the instrument detection limit of Pb2+ in ppm? Do
not include unit. Keep three decimal places in the answer.
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