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low bleeding gc columns

http://www.chromforum.org/viewtopic.php?t=26645

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low bleeding gc columns

Posted: Thu Apr 09, 2015 2:51 pm
by jiangds06
why some gc column are less bleeding than other columns? what chemistry are different?

Re: low bleeding gc columns

Posted: Thu Apr 09, 2015 3:19 pm
by KM-USA
When testing, don't some manufacturers just separate those out with exceptionally low bleed and call them MS phases? All manufacturers try to make columns with as low bleed as possible.

Re: low bleeding gc columns

Posted: Fri Apr 10, 2015 10:13 pm
by James_Ball
There is also cross-linking and cross-bonding of the phases which help make lower bleed in the columns. Each process is different on how they coat the phase on the column.
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