From: Arthur Cammers-Goodwin (cammers$##$caribe.chem.uky.edu)
Date: Thu Feb 17 2000 - 17:29:36 EST
On Tue, 15 Feb 2000, Jonas Nilsson wrote:
> I'm having some trouble with my elemental analysis of some of my
> compounds. The ones which gives me trouble are all aromatic amidines
> Ar-C(=NH)-NH2. This is an example of how it works out:
Your materials probably contain water. A portion of the material may be in
the protonated state. Recalculate the expected values from adjusted water
content to see if the experimental C,H, N numbers become more accurate and
stay within acceptable levels of precision. At that point you have some
choices. This can be done with any spread sheet program.
Arthur Cammers-Goodwin
Department of Chemistry
University of Kentucky
Lexington, KY 40506-0055
606-323-8977 voice
606-323-1069 fax
acgood1$##$pop.uky.edu
http://www.chem.uky.edu/research/cammers/cammerscv.html
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