Gas Chromatography

Forum Repeatability of samples

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Repeatability of samples

mahmoudelnahas9494 8 months ago

When we trying inject ethylene glycols on agilent 7890B

Sample not repeatable all the times

We replace septums and syringe but the problem is still occured

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james_jenkins 5 months ago +1 verified

I would refer to AGilent.com for application notes , and example would be A01330.pdf (agilent.com) .

There are several notes pertaining glycol analyses that can be used a reference.

Regards

James

0 james_jenkins 5 months ago

Are you still having issues? Feel free to post your method parameters and instrument type if you are still looking for suggestions.

Regards

James
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+1 james_jenkins 5 months ago

I would refer to AGilent.com for application notes , and example would be A01330.pdf (agilent.com) .

There are several notes pertaining glycol analyses that can be used a reference.

Regards

James
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