Question 3 [10] 3.1. (i) Describe the differences between a linear ToF mass spectrometer and an orthogonal ToF instrument. (ii) What are the advantages and limitations of these two geometries? (2) (3) (3) 3.2. Describe three ways of introducing a sample into an ICP torch. 3.3. A chromatogram of a mixture of compound X and Y provided the following data (see Table 3.1): Table 3.1: Chromatographic data for U and V 3 Retention time (min) Peak width (at base) Mobile phase peak 0.81 0.01 Compound X 9.35 Compound Y 10.76 1.13 1.19 (i) For compound X, calculate (correct to 3 sig figs) its retention factor. (1) (ii) Calculate (correct to 3 sig figs) the selectivity factor for compound X and Y. (1)
Question 3 [10] 3.1. (i) Describe the differences between a linear ToF mass spectrometer and an orthogonal ToF instrument. (ii) What are the advantages and limitations of these two geometries? (2) (3) (3) 3.2. Describe three ways of introducing a sample into an ICP torch. 3.3. A chromatogram of a mixture of compound X and Y provided the following data (see Table 3.1): Table 3.1: Chromatographic data for U and V 3 Retention time (min) Peak width (at base) Mobile phase peak 0.81 0.01 Compound X 9.35 Compound Y 10.76 1.13 1.19 (i) For compound X, calculate (correct to 3 sig figs) its retention factor. (1) (ii) Calculate (correct to 3 sig figs) the selectivity factor for compound X and Y. (1)
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...
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![Question 3
[10]
3.1. (i) Describe the differences between a linear ToF mass spectrometer and an orthogonal
ToF instrument.
(ii) What are the advantages and limitations of these two geometries?
(2)
(3)
(3)
3.2. Describe three ways of introducing a sample into an ICP torch.
3.3. A chromatogram of a mixture of compound X and Y provided the following data (see
Table 3.1):
Table 3.1: Chromatographic data for U and V
3
Retention time (min)
Peak width (at base)
Mobile phase peak
0.81
0.01
Compound X
9.35
Compound Y
10.76
1.13
1.19
(i) For compound X, calculate (correct to 3 sig figs) its retention factor.
(1)
(ii) Calculate (correct to 3 sig figs) the selectivity factor for compound X and Y.
(1)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F74b4aee4-b280-42b0-8ae8-27fd62ebfb1f%2F0e3fe6b2-fef5-4b62-97fd-a7c369b516ed%2Fxnr0cd6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 3
[10]
3.1. (i) Describe the differences between a linear ToF mass spectrometer and an orthogonal
ToF instrument.
(ii) What are the advantages and limitations of these two geometries?
(2)
(3)
(3)
3.2. Describe three ways of introducing a sample into an ICP torch.
3.3. A chromatogram of a mixture of compound X and Y provided the following data (see
Table 3.1):
Table 3.1: Chromatographic data for U and V
3
Retention time (min)
Peak width (at base)
Mobile phase peak
0.81
0.01
Compound X
9.35
Compound Y
10.76
1.13
1.19
(i) For compound X, calculate (correct to 3 sig figs) its retention factor.
(1)
(ii) Calculate (correct to 3 sig figs) the selectivity factor for compound X and Y.
(1)
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