CRYOSCOPIC AND SPECTROFOTOMETRIC INVESTIGATION OF VANADIUM(IV) COMPLEXATION WITH BENZOLSULFONYLUREA DERIVATIVES
The possibility of vanadium (IV) complexation with benzolsul-fonyl urea derivatives has been shown by means of cryoscopic and spectrophotometric researches. With the help of Bjerrum's method it has been established, that complex compound of vanadium (IV) -glyclazide is formed in the ratio of 1:2. The complex stability constant value has been calculated, being equal to 2,53-10 <sup>5</sup>.