Kormosh Z. Formation, extraction and analytical application of some ion-pairs of Tungsten(VI) and Rhenium(VII) with cyanines dyes.

The spectrophotometric and acid-base properties of the basic cyanines dyes (CD) and their ion-pairs (IP) with W(VI) and Re(VII), and using IP that was learned as effective analytical form for photometry analyse extraction-photometry determination of these metals hawe been studied. Series new CD were synthesized, of their performances and reactivity to anions of W(VI) and Re(VII) were investigated, their electron constitution counted by the quantum-chemicals methods. New coloured soloed phase of reactions of oxоanions of W(VI) and Re(VII) in aqueous phase is were studied. The possibility of extraction and photometry definition of oxоanions of Tungsten (VI) and the effect of inhibition of extraction of ion-pairs of Re(VII) by the basic dyes were rotined. The new efficient method of determination of microamounts of W and Re were designed.