Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Teodora S. Stefanova"'
Publikováno v:
Russian Journal of General Chemistry. 86:1167-1176
A liquid-liquid extraction-chromogenic system containing Fe(III), 4-(2-thiazolylazo)resorcinol (TAR), [3,3’-(3,3’-dimetoxy-4,4’-biphenylene)bis[2,5-di(4-nitrophenyl)-2H-tetrazolium] chloride (tetranitro-tetrazolium blue chloride, TNBT), water,
Publikováno v:
Oriental Journal of Chemistry. 31:327-332
Complex formation and liquid-liquid extraction were studied in systems containing iron(III), 4-nitrocatechol (4NC),tetrazolium salt (TZS), water and organic solvent. Three different TZS were used: 3-(4,5-dimethyl-2-thiazol)-2,5-diphenyl-2H-tetrazoliu
Publikováno v:
JOURNAL OF ADVANCES IN CHEMISTRY. 10:2491-2501
Four liquid-liquid extraction-chromogenic systems containing Fe(III), 4-(2-thiazolylazo)resorcinol (TAR), tetrazolium salt (TZS), water and chloroform were studied. 2,3,5-Triphenyl-2H-tetrazolium chloride (TTC), 3-(4,5-dimethyl-2-thiazol)-2,5-dipheny
Liquid-Liquid Extraction-Spectrophotometric Investigations of Three Ternary Complexes of Vanadium(V)
Autor:
Kiril B. Gavazov, Teodora S. Stefanova
Publikováno v:
Croatica Chemica Acta
Volume 87
Issue 3
Volume 87
Issue 3
Complex formation and liquid-liquid extraction (LLE) were studied in systems containing vanadi-um(V), 5-methyl-4-(2-thiazolylazo)resorcinol (TAO), tetrazolium salt (TZS), water and chloroform. The following three TZSs were used: 3-(4,5-dimethyl-2-thi
Autor:
Kiril B. Gavazov, Teodora S. Stefanova
Publikováno v:
Open Chemistry, Vol 11, Iss 2, Pp 280-289 (2013)
Complex formation and liquid-liquid extraction were studied in systems containing indium(III), 4-(2-pyridylazo)resorcinol (PAR), phenylmethoxybis(tetrazolium) salt (MBT), water and chloroform. The following MBTs, which differ only by the number of -N
Autor:
Kiril B. Gavazov, Galya K. Toncheva, Teodora S. Stefanova, Vassil B. Delchev, Kremena Tomova Mileva
Publikováno v:
Acta chimica slovenica
Acta Chimica Slovenica, Vol 63, Iss 2, Pp 392-398 (2016)
Acta Chimica Slovenica, Vol 63, Iss 2, Pp 392-398 (2016)
The complex formation in the vanadium(V) / 4-(2-thiazolylazo)orcinol (TAO) / 2,3,5-triphenyl-2 H -tetrazolium chloride (TTC) liquid-liquid extraction-chromogenic system was studied. The chloroform-extracted complex has a composition of 2:2:2 under th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4824ea9d4090eb82a913ab754adeb13
http://www.dlib.si/details/URN:NBN:SI:doc-Z75GKLF4
http://www.dlib.si/details/URN:NBN:SI:doc-Z75GKLF4
Publikováno v:
Chemical Papers. 69
Liquid-liquid extraction (LLE) and cloud point extraction (CPE) of vanadium(V) ternary complexes with 4-(2-pyridylazo)resorcinol (PAR) and 2,3,5-triphenyl-2H-tetrazolum chloride (TTC) were investigated. The optimal conditions for vanadium extraction