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Diacetyl monoxime isonicotinoyl hydrazone (DMIH) reagent can be easily prepared like any other Schiff base reagent.
Au (III) reacts with DMIH in acidic medium to give yellow coloured water soluble complex.
The complex formation reaction between Au (III) and DMIH has been studied in detail based on the composition of the complex as determined by using Job's and molar ratio methods.
The zero order and first order derivative spectra of Au (III) complex of DMIH are given in figures 2 and 3, respectively.
Different aliquots of sample solutions are treated with 5 mL of buffer solution of pH 4.5 and one mL of DMIH and made up to the mark in 10 mL volumetric flask with distilled water.
The complex formation reaction between U(VI) and DMIH has been studied in detail based on the composition of the complex as determined by using Job's and molar ratio methods.
The zero order and first order derivative spectra of U (VI) complex of DMIH are given in figures 2 and 3, respectively.
The present method using DMIH as a spectrophotometric reagent for the determination of Uranium (VI) in aqueous medium is sensitive and simple.
Analytical characteristics of DMIH Sl No Metal Ion [P.sup.H] [[lambda].sub.max] (L.[mol.sup.-1] (nm) [cm.sup.-1]) x [10.sup.4] 1 Ru (III) 2.23 2 Hg (II) 5.5 351 1.63 3 U (VI) 3.25 364 2.265 4 Th(IV) 5.0 352 1.5 5 Au (III) 4.5 361 1.93 6 Mo (VI) 5 346 Table 2.
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- Dmif Application Interface
- Dmiterko, Liubomir
- Dmiterko, Liubomir Dmitrievich
- Dmitrevskii, Ivan