A new graphical method based on stoichiometric dilution for the classification of binary complexes with mole ratio 1:1.
A simple approach to the treatment of spectrophotometric data obtained by stoichiometric dilution is presented for complexes of the type M(m)B(n) and m/n = 1. The values of m and n are obtained by matching the slope of a straight line with a mathematically predicted value. The method can be applied to moderately strong complexes, the concentration of which can be determined by absorbance measurements, and allows calculation of the formation constant as well.
Xi-Wen
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Department of Chemistry, University of Minnesota, Duluth, Minnesota 55812, U.S.A.
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