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do i need a prep uv detector

http://chromforum.org/viewtopic.php?t=12314

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do i need a prep uv detector

Posted: Sat Feb 20, 2010 9:01 pm
by jiang295
i have a one inch column, which i want to run at 20ml/min. do i need a prep uv detector if i do not care about signal senstivity. anyway, what is the difference between prep and analytical uv detector?

Posted: Sun Feb 21, 2010 2:11 am
by bisnettrj2
I think you just need a prep flow cell. Shorter path length in the cell gives better range of absorbances, but less sensitivity. Check out this Waters article below:

http://www.waters.com/webassets/cms/lib ... /wpp20.pdf
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