By jy on Tuesday, August 3, 2004 - 11:30 am:

We are looking for a HPLC column with L57 packing. USP L57 packing: a chiral-recognition protein, ovomucoid, chemically bonded to silica particles, 5 um, 120A. We contacted several vendors, but they don't make it. Any information and help will be greatly appereciated.

Thanks in advance.

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By syx_gf on Tuesday, August 3, 2004 - 05:33 pm:

Try to contact USP contact person:
Andrzej Wilk, Ph.D.: aw@usp.org

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By tom jupille on Wednesday, August 4, 2004 - 09:04 am:

That sounds like the "Ultron ES-OVM" column. Try Agilent:
http://www.chem.agilent.com/Scripts/PDS.asp?lPage=2216

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By jy on Wednesday, August 4, 2004 - 09:23 am:

Many thanks. Yes, it's Ultron ES-OVM, we got it.