(Received 10 March 1986; accepted 27 May 1986)
Published Online: March
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A method is described that quantitatively evaluates development conditions and reactivity of amino acid visualization reagents. Ninhydrin was the primary reagent used in this study. The method consists of spotting a serial dilution of amino acids in a numbered grid on paper. Examples of the variability of development as a result of atmospheric conditions are illustrated.
Crime laboratory analyst, Wisconsin State Crime Laboratory, Milwaukee, WI
Stock #: JFS11140J