1a. Briefly explain 3 advantages and disadvantages of using ¹H-NMR for the quantitative analysis of organic compounds compared with HPLC-UV. 1b. Explain why an internal standard is needed in quantitative NMR and Indicate what information from the internal standard is required for quantitative analysis. 1c.Give 3 advantages and 3 disadvantages of GC-MS compared with GC-FID 1d . (Check the image below for q.1d)
1a. Briefly explain 3 advantages and disadvantages of using ¹H-NMR for the quantitative analysis of organic compounds compared with HPLC-UV. 1b. Explain why an internal standard is needed in quantitative NMR and Indicate what information from the internal standard is required for quantitative analysis. 1c.Give 3 advantages and 3 disadvantages of GC-MS compared with GC-FID 1d . (Check the image below for q.1d)
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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1a. Briefly explain 3 advantages and disadvantages of using ¹H-NMR for the quantitative analysis of organic compounds compared with HPLC-UV.
1b. Explain why an internal standard is needed in quantitative NMR and Indicate what information from the internal standard is required for quantitative analysis.
1c.Give 3 advantages and 3 disadvantages of GC-MS compared with GC-FID
1d . (Check the image below for q.1d)
Transcribed Image Text:Select the ONE correct answer:
a) 13C-NMR is often used for quantitative analysis
b) The viscosity of the sample does not affect the NMR spectrum
c) The magnet in the NMR needs to be cooled
d) The type of radiofrequency pulses applied in NMR does not affect the intensity of
the signal.
Explain why you have chosen this answer from the other choices (up to 5 lines of text).
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