The following results were obtained when each of a series of standard silver solutions was analyzed by flame-atomic absorption spectrometry: Concentration (ng-mL¹) Absorbance (r.u.) 0 5 10 15 20 25 30 40 0.003 0.127 0.251 0.390 0.498 0.625 0.763 0.771 Determine the slope and intercept of the calibration plot, along with their confidence limits (95%). Using the data from exercise 1 above, estimate the confidence limits for the silver concentration in: a) A sample giving an absorbance of 0.456 in a single determination. b) A sample giving absorbance values of 0.308, 0.317, 0.347, and 0.412 in four separate determinations.
The following results were obtained when each of a series of standard silver solutions was analyzed by flame-atomic absorption spectrometry: Concentration (ng-mL¹) Absorbance (r.u.) 0 5 10 15 20 25 30 40 0.003 0.127 0.251 0.390 0.498 0.625 0.763 0.771 Determine the slope and intercept of the calibration plot, along with their confidence limits (95%). Using the data from exercise 1 above, estimate the confidence limits for the silver concentration in: a) A sample giving an absorbance of 0.456 in a single determination. b) A sample giving absorbance values of 0.308, 0.317, 0.347, and 0.412 in four separate determinations.
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...
Related questions
Question
None
Transcribed Image Text:The following results were obtained when each of a series of standard silver solutions was analyzed
by flame-atomic absorption spectrometry:
Concentration
(ng-mL¹)
Absorbance (r.u.)
0
5
10
15
20
25
30
40
0.003
0.127
0.251
0.390
0.498
0.625
0.763
0.771
Determine the slope and intercept of the calibration plot, along with their confidence limits (95%).
Using the data from exercise 1 above, estimate the confidence limits for the silver concentration in:
a) A sample giving an absorbance of 0.456 in a single determination.
b) A sample giving absorbance values of 0.308, 0.317, 0.347, and 0.412 in four separate
determinations.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 5 images
Recommended textbooks for you
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY