ABSTRACT
Experimental All chemicals used were of reagent grade and millipore water was used throughout the work. A solution of L-trp (s.d. ne) was prepared by dissolving an appropriate amount of recrystallized sample in millipore water. A stock solution of osmium(VIII) was prepared and standardized by the method reported earlier [6]. e copper(III) periodate complex was prepared [7] and standardized by standard procedure [8].
