Which statement regarding the techniques utilized in splitless injection for gas chromatographic analysis is NOT true? Select one a, Solvent trapping and cold trapping sharpen the peaks for all components, including the solvent and solutes. Ob. Cryogenie focusing is required, with an initial column temperature below room temperature, for low bolling Oc In solvent trapping, the Initial column temperature is set 10-20°C below the bolling point of the solvent. Od. In cold trapping, the initial column temperature is at least 100°C below the boiling points of the solute of interest. e. In solvent trapping. both solvent and solutes are condensed at the column head.
Which statement regarding the techniques utilized in splitless injection for gas chromatographic analysis is NOT true? Select one a, Solvent trapping and cold trapping sharpen the peaks for all components, including the solvent and solutes. Ob. Cryogenie focusing is required, with an initial column temperature below room temperature, for low bolling Oc In solvent trapping, the Initial column temperature is set 10-20°C below the bolling point of the solvent. Od. In cold trapping, the initial column temperature is at least 100°C below the boiling points of the solute of interest. e. In solvent trapping. both solvent and solutes are condensed at the column head.
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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Transcribed Image Text:Which statement regarding the techniques utilzed in splitless injection for gas chromatographic analysis is NOT true?
Select one
a. Solvent trapping and cold trapping sharpen the peaks for all components, including the solvent and solutes.
b.Cryogenic focusing is required, with an initial column temperature below room temperature, for low boilling
Oc In solvent trapping, the Initial column temperature is set 10-20°C below the bolling point of the solvent.
d. In cold trapping, the initial column temperature is at least 100°C below the boiling points of the solute of interest.
e. In solvent trapping. both solvent and solutes are condensed at the column head.
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