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Telmisartan + Amlodipine USP Impurities

http://www.chromforum.org/viewtopic.php?t=111604

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Telmisartan + Amlodipine USP Impurities

Posted: Thu Jun 17, 2021 1:32 pm
by lismc
Hello!
I'm executing the Impurities method for Telmisartan and Amlodipine Tablets from USP and I'm having some problems with peaks on my mobile phase. Gigantic peaks!
I've tried different reagent brands, different waters, different equipments, different columns....
Do you guys have any other suggestions?

Thank you in advance!

Re: Telmisartan + Amlodipine USP Impurities

Posted: Fri Jun 18, 2021 4:51 am
by Gerhard Kratz
Good Morning. Before we can say anything we need some more information about your chromatographic conditions like wavelenth of your UV detector, sample preparation. Thanks in advance.
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