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vitamin B12 extraction

http://www.chromforum.org/viewtopic.php?t=5203

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vitamin B12 extraction

Posted: Wed Jan 03, 2007 9:49 am
by frez01
hello,
I would like to quantify vitamin B12 by HPLC in blood sample.
please, help me, I don't know how to do.
Thank you.

Posted: Wed Jan 03, 2007 4:45 pm
by AA
Simultaneous determination of nine water and fat soluble vitamins after SPE separation and RP-HPLC analysis in pharmaceutical preparations and biological fluids


Papadoyannis, I.N.; et al
J. Liq. Chromatogr. Rel. Technol.
1997,20(19),Page: 3203
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