Sigma has a pretty good selection of amino acid standards,some of which are
in 0.1N HCl,see pp.2121-2122 of their
2000-2001 catalog.I have been using the physiologicals,to some extent to
fill gaps in my needs.I do not assume that the concentrations are
correct,but they are pretty good.Pierce has,also,a standard.I have an
ancient catalog,so I should say,had a standard.
CRISEL_NATHAN@LILLY.COM@aecom.yu.edu> on 11/06/2000 03:17:01 PM
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Subject: AAA Standards
All,
Does anyone have a resource for an amino acid standard mixture with all of
the standard aa's in one bottle. ÝWe're looking to monitor aa's in
fermentation broth and need quantitate all twenty of the standard aa's and
a couple of others; we would like to get our standard solution all in one
"purchasable" vessel. ÝAs long as I'm asking for the moon, I may as well
seek the stars and put another constraint on my search and ask if the
mixture comes in a salt/buffer free form (i.e. in 0.1N HCL)? ÝAny leads?
Thanks in advance for any response to this query.
Regards,
Nathan (Nate) Crisel
Analytical Chemist
Eli Lilly and Company
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