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Analysis of Bisoprolol hemifumarate

http://www.chromforum.org/viewtopic.php?t=2627

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Analysis of Bisoprolol hemifumarate

Posted: Fri Sep 23, 2005 12:40 pm
by Provetech
Hi, we're trying to replace Perchloric acid buffer by an volatile one for the LC/MS analysis of Bisoprolol hemifumarate. Could anyone tell me what buffer i should try (TFA buffer dont give good peak shape)
PS: Concentration is 2mL/L of perchloric acid.

Thanks

Posted: Fri Sep 23, 2005 5:21 pm
by Mark Tracy
Have you considered longer-chain perfluoro acids? pentafluoropropionic or heptafluorobutyric?
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