pwlepp at miavx1.acs.muohio.edu pwlepp at miavx1.acs.muohio.edu
Fri Feb 19 14:32:11 EST 1993

A couple of weeks ago I saw a posting indicating that if one's 260/280 is
greater than 2.0 to look at 325 nm.  This is evidently an indication of
contamination.  My question is what kind of contamination is indicated?  What
absorbs at 325 nm?  Thanks in advance.  -Paul 

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