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Peak area decreasing. triglyceride analysis

http://www.chromforum.org/viewtopic.php?t=21356

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Peak area decreasing. triglyceride analysis

Posted: Fri Nov 23, 2012 10:59 am
by Ievheniya
I have some problem with GC analysis of triglycerides in cocoa-butter. From one injection to another I see decreasing of peakes area. Injection method is pulsed split. Please suggest me decision of my problem

Re: Peak area decreasing. triglyceride analysis

Posted: Fri Nov 23, 2012 5:50 pm
by chromatographer1
Clean, clean, clean, every place that your sample touches.

Remove the first meter of column.

Best wishes,

Rod
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