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24. Define a) chiral chromatography. b) adsorption chromatography.

24. Define a) chiral chromatography. b) adsorption chromatography.

EBK A SMALL SCALE APPROACH TO ORGANIC L
EBK A SMALL SCALE APPROACH TO ORGANIC L
4th Edition
ISBN:9781305446021
Author:Lampman
Publisher:Lampman
Chapter91: Gas Chromatography
Section: Chapter Questions
Problem 1P
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Paragraph Styles 24. Define a) chiral chromatography. b) adsorption chromatography. 25. Explain the difference between gel filtration and gel permeation. 27. Indicate the order in which the following compounds would be eluted from an HPLC column containing a reversed-phase packing: (a) benzene, diethyl ether, n-hexane. (b) acetone, dichloroethane, acetamide. 28. Describe the fundamental difference between ion-exchange and size-exclusion chromatography. 29. What types of species can be separated by HPLC but not by GC? 30. Compare the advantages of HPLC and GC instruments. 32. Briefly describe or define (a) oxidation. (b) reduction (c) reducing agent. (d) oxidizing agent. (e) salt bridge. glish (United States) W DELL
Transcribed Image Text:Paragraph Styles 24. Define a) chiral chromatography. b) adsorption chromatography. 25. Explain the difference between gel filtration and gel permeation. 27. Indicate the order in which the following compounds would be eluted from an HPLC column containing a reversed-phase packing: (a) benzene, diethyl ether, n-hexane. (b) acetone, dichloroethane, acetamide. 28. Describe the fundamental difference between ion-exchange and size-exclusion chromatography. 29. What types of species can be separated by HPLC but not by GC? 30. Compare the advantages of HPLC and GC instruments. 32. Briefly describe or define (a) oxidation. (b) reduction (c) reducing agent. (d) oxidizing agent. (e) salt bridge. glish (United States) W DELL
1. What is the planar chromatography and what type of different planar chromatographic methods are available? 2. What is the thin layer chromatography technique and define the mobile and stationary phases used in the technique. Describe how the components are separated from each other using TLC technique? 3. List at least four common uses of TLC technique? 4. Briefly explain the steps involved in TLC analysis. 5. What's the advantage of TLC as compared to the column chromatography? 6. Calculate the Rf values of substances shown below; -0.59 -027
Transcribed Image Text:1. What is the planar chromatography and what type of different planar chromatographic methods are available? 2. What is the thin layer chromatography technique and define the mobile and stationary phases used in the technique. Describe how the components are separated from each other using TLC technique? 3. List at least four common uses of TLC technique? 4. Briefly explain the steps involved in TLC analysis. 5. What's the advantage of TLC as compared to the column chromatography? 6. Calculate the Rf values of substances shown below; -0.59 -027
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