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Pyridoxine storage

http://www.chromforum.org/viewtopic.php?t=7357

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Pyridoxine storage

Posted: Wed Nov 21, 2007 2:07 pm
by Tom Ashton
I want to use Pyridoxine as an internal standard in LC.
I have dry powder but I want to know if it is possible to make an aqueous solution of the desired molarity and store it this way.
If so at what temp must I store it?
Any advice would be much appreciated.

Posted: Thu Nov 22, 2007 7:38 am
by paul duque
hello,tom

in my experience,solutions of piridoxina in suitable diluente like (water:acetonitrile: acetcic acid) ,94:5:1,can to use them well,for two months.

it works to me.

Regards,Paul
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