publication . Article . Other literature type . 2012

Some Ternary Phenylmethoxybis(tetrazolium) Complexes of Vanadium(IV,V) and Their Constants of Association

Murat Turkyilmaz; Petya Racheva; Atanas N. Dimitrov; Vanya Lekova; Fatma Genç; Kiril B. Gavazov;
Open Access
  • Published: 01 Jan 2012 Journal: Croatica Chemica Acta (issn: 0011-1643, eissn: 1334-417X, Copyright policy)
  • Publisher: Croatian Chemical Society
Abstract
Several liquid-liquid extraction systems containing vanadium {vanadium(IV) or vanadium(V)}, azoderivative of resorcinol {ADR: 4-(2-pyridylazo)-resorcinol (PAR) or 4-(2-thiazolylazo)-resorcinol (TAR)} and (phenylmethoxibis)tetrazolium salts {MBT: 3,3'-(3,3'-dimetoxy-4,4'-biphenylene)-bis(2,5-diphenyl-2H-tetrazolium) chloride (Blue Tetrazolium, BT) or 3,3'-(3,3'-dimetoxy-4,4'-biphenylene)-bis[2,5-di(4-nitrophenyl)-2H-tetrazolium] chloride (Tetranitroblue Tetrazolium, TNBT)} were studied. The optimum operating conditions and compositions of the extracted species were found. The constants of association (β) between MBT2+ and the anionic V–ADR chelates (Cheln–) were ...
Subjects
free text keywords: General Chemistry, vanadium; ditetrazolium salts; azocompounds; association constant; nitro group; solvent extraction, Inorganic chemistry, Chemistry, Solvent extraction, Ternary operation, Vanadium, chemistry.chemical_element
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