Protection Standard addition. The 5-31. water below which no adverse health effects are likely to occur. Agency sets guidelines for the level of contaminants in drinking using anodic stripping voltammetry, a very sensitive electro- chemical method. The blank-corrected current at -0.68 Vis The limit for thallium is 0.5 µg/L. Thallium (TI) was measured proportional to the concentration of thallium. Repeated additions of 5.0 µL of a 100-µg/L TI* standard were made to a 5.00-ml. sample solution. Blank subtracted current (A) 0.08 0.06- 0.04 0.02 0.00 -0.80 20-μL spike 15-μL spike 10-μL spike 5-μL spike No spike -0.60 -0.75 -0.70 -0.65 Voltage (V versus Ag | AgCl reference) -0.55
Protection Standard addition. The 5-31. water below which no adverse health effects are likely to occur. Agency sets guidelines for the level of contaminants in drinking using anodic stripping voltammetry, a very sensitive electro- chemical method. The blank-corrected current at -0.68 Vis The limit for thallium is 0.5 µg/L. Thallium (TI) was measured proportional to the concentration of thallium. Repeated additions of 5.0 µL of a 100-µg/L TI* standard were made to a 5.00-ml. sample solution. Blank subtracted current (A) 0.08 0.06- 0.04 0.02 0.00 -0.80 20-μL spike 15-μL spike 10-μL spike 5-μL spike No spike -0.60 -0.75 -0.70 -0.65 Voltage (V versus Ag | AgCl reference) -0.55
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
![in ppm Pb(l)
5-31.
Standard addition. The U.S. Environmental Protection
water below which no adverse health effects are likely to occur.
Agency sets guidelines for the level of contaminants in drinking
using anodic stripping voltammetry, a very sensitive electro-
chemical method. The blank-corrected current at -0.68 Vis
The limit for thallium is 0.5 µg/L. Thallium (TI) was measured
of 5.0 µL of a 100-µg/L TI standard were made to a 5.00-ml.
proportional to the concentration of thallium. Repeated additions
sample solution.
Blank subtracted current (A)
0.08
0.06
0.04
0.02
0.00
-0.80
20-μL spike
15-μL spike
10-μL spike
5-μL spike
No spike
-0.60
-0.75
-0.70
-0.65
Voltage (V versus Ag | AgCl reference)
-0.55
Standard additions of TI* to an unknown solution [Data from F. Ciepiela and K
Węgiel, "Novel Method for Standard Addition Signal Analysis in Voltammetry Analyst 2017.
142, 1729.]
(a) Measure the responses in the figure and prepare a graph to find
out how much T1+ was in the unspiked sample. Is the calibration
linear?
(b) Determine the amount of Tl* (ug/L) in the unspiked sample.
(c) Find the 95% confidence interval for Tl* in the sample.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6670fa30-91bc-4a72-b375-2fd1d158ed3e%2F67c015f5-fef7-4862-829f-6aa6168e2701%2Flxb86ge_processed.jpeg&w=3840&q=75)
Transcribed Image Text:in ppm Pb(l)
5-31.
Standard addition. The U.S. Environmental Protection
water below which no adverse health effects are likely to occur.
Agency sets guidelines for the level of contaminants in drinking
using anodic stripping voltammetry, a very sensitive electro-
chemical method. The blank-corrected current at -0.68 Vis
The limit for thallium is 0.5 µg/L. Thallium (TI) was measured
of 5.0 µL of a 100-µg/L TI standard were made to a 5.00-ml.
proportional to the concentration of thallium. Repeated additions
sample solution.
Blank subtracted current (A)
0.08
0.06
0.04
0.02
0.00
-0.80
20-μL spike
15-μL spike
10-μL spike
5-μL spike
No spike
-0.60
-0.75
-0.70
-0.65
Voltage (V versus Ag | AgCl reference)
-0.55
Standard additions of TI* to an unknown solution [Data from F. Ciepiela and K
Węgiel, "Novel Method for Standard Addition Signal Analysis in Voltammetry Analyst 2017.
142, 1729.]
(a) Measure the responses in the figure and prepare a graph to find
out how much T1+ was in the unspiked sample. Is the calibration
linear?
(b) Determine the amount of Tl* (ug/L) in the unspiked sample.
(c) Find the 95% confidence interval for Tl* in the sample.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 6 steps with 5 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.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