When setting up a column, what is the reason for adding a layer of sand on top of the adsorbent column? O To prevent disruption of the surface when solvent is added O To filter the solvent O To do the first part of the separation O To stop the solvent from dissolving the sample

When setting up a column, what is the reason for adding a layer of sand on top of the adsorbent column? O To prevent disruption of the surface when solvent is added O To filter the solvent O To do the first part of the separation O To stop the solvent from dissolving the sample

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter22: Surfaces

Section: Chapter Questions

Problem 22.46E: Early attempts to coat metals with Teflon, poly tetrafluoroethylene, resulted in a polymer layer...

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Question

When setting up a column, what is the reason for adding a layer of sand on top of the adsorbent column?
O To prevent disruption of the surface when solvent is added
O To filter the solvent
O To do the first part of the separation
O To stop the solvent from dissolving the sample

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