ISSN: 0366-6352 (print version)
ISSN: 1336-9075 (electronic version)
Springer's Journal No. 11696

 

Complexation of Titanium (IV) with 4-Nitrocatechol and Tetrazolium Salts Tetrazolviolet and Iodonitrotetrazolium Chloride

S. Kostova, A. Dimitrov, and A. Alexandrov

Department of General and Inorganic Chemistry, University of Plovdiv, 4000 Plovdiv, Bulgaria

 

Abstract: The extraction of the ion-associates of titanium(IV) with 4-nitrocatechol and the tetrazolium salts tetrazolviolet and iodonitrotetrazolium chloride has been studied. The optimum extraction conditions and the effect of diverse ions have been established. The mole ratio between Ti(IV), 4-nitrocatechol, and tetrazolium salts was 1:2:2. Beer's law was obeyed over the range of 0.172-2.044 μ g cm-3 for ion association complex with iodonitrotetrazolium chloride. (INT), and 0,20- 2.00 μg cm-3 with tetrazolviolet (TV). The molar absorption coefficients (ε) observed are: for the ion-associate with INT 2.38 x 104 dm3 mol-1 cm-1 at lambda = 430 nm and for the associate with TV 4.40 x 104 dm3 mol-1 cm-1 at λ = 440 nm. The ion-associates were applied to extraction-spectrophotometric determination of titanium in aluminium alloys.

Full paper in Portable Document Format: 542a66.pdf

 

Chemical Papers 54 (2) 66–71 (2000)

Sunday, April 20, 2014

SEARCH
Advanced
VOLUMES
41st International Conference of SSCHE
European Symposium on Atomic Spectrometry ESAS 2014 & 15th Czech - Slovak Spectroscopic Conference
13th Bratislava Symposium on Saccharides
© 2014 Chemical Papers