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symmetry factor agilent chemstation vs tailing factor usp

http://www.chromforum.org/viewtopic.php?t=9577

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symmetry factor agilent chemstation vs tailing factor usp

Posted: Wed Nov 19, 2008 5:54 pm
by tweg
The EP recommends that the tailing factor should be between 0.8 and 1.5.

Is there a way to put the EP/USP tailing factor into a custom report (as the extended performance report is very long), or is there an easy conversion from chemstation’s symmetry factor to EP/USP tailing factor, so I can apply the EP limits?
Tom

symmetry factor vs tailing factor

Posted: Wed Dec 17, 2008 11:17 pm
by oncoming storm
I haven't used Chemstation for a while so I'm a little rusty but I believe you can just add that piece of info to your current report. Look for the report section that contains the USP factors; tailing, half heights, plate counts, etc in the report builder. If you have a software manual handy I would check there too.

Good Luck

Re: symmetry factor agilent chemstation vs tailing factor us

Posted: Mon Feb 09, 2009 9:59 am
by Jackus
... or is there an easy conversion from chemstation’s symmetry factor to EP/USP tailing factor, so I can apply the EP limits?
Tom
There is not an easy conversion factor because Chemstation uses completely different approach how to calculate USP Tailing. We print in such cases Ext. report because when you are creating your own report style, there is not an easy way how to involve GLP section.
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