does anybody have any informations about the chemical nature and/or structure of the Delta phases of Macherey-Nagel?
Thank you all in advance!
By Jo Brodie on Thursday, August 9, 2001 - 07:16 am:
Scroll down to the bottom for information on
Optima d-3 and Optima d-6 columns.
You can also access this information by going
to their main homepage at:
http://www.macherey-nagel.com and clicking on
Catalog/ Gaschromatography/ Optima GC ..... in
the menu on the left.
Apparently the stationary phase has dipole moments
set up in it by the analytes, producing something
called autoselectivity. These columns don't
have CN or CF3 groups and have high temperature
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