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Abstract

SIMULTANEOUS DETERMINATION OF Cd(II) AND Cu(II) AS (S)-5- METHOXY-2-[[(4-METHOXY-3, 5-DIMETHYL-2-PYRIDINYLEMETHYLE] SULFINYLE]-1H-BENZIMIDAZOLE USING DERIVATIVE SPECTROPHOTOMETRY

B. Ranganath*, L. K. Ravindranath and P. Venkataramana.

ABSTRACT

The reagent (S)-5-methoxy-2-[[(4-methoxy-3, 5-dimethyl-2- pyridinyle-methyle] sulfinyle]-1H-benzimidazole gives yellow coloration with Cd (II) as well as Cu (II) in acidic medium. This observation is used for the simultaneous determination of both the metal ions using Zero and second order derivative spectrophotometry. Optimum conditions were established for this determination. Job’s and mole-ratio methods are used for the determination of composition of the metal complexes. Determination of the metal ions was carried out in BAS alloys and NTP ball bearings.

Keywords: Copper, cadmium, ESMPZL, Derivative Spectrophotometry, BAS alloys, NTP ball bearings.


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