METAL CHELATE FLUORESCENCE ENHANCEMENT BY NONIONIC MICELLES - SURFACTANT AND AUXILIARY LIGAND NATURE INFLUENCE ON THE NIOBIUM LUMOGALLION COMPLEX

被引：38

作者：

SANZMEDEL, A ^{[1
]}

PEREZ, MMF ^{[1
]}

CIRUGEDA, MD ^{[1
]}

DOMINGUEZ, JLC ^{[1
]}

机构：

[1] UNIV VALENCIA,FAC CHEM,DEPT ANALYT CHEM,VALENCIA,SPAIN

来源：

ANALYTICAL CHEMISTRY | 1986年 / 58卷 / 11期

关键词：

NIOBIUM COMPOUNDS - SURFACE ACTIVE AGENTS - Applications;

D O I：

10.1021/ac00124a012

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The effect of the chemical nature and degree of condensation of nonionic micelle-forming agents on the fluorescence intensities of the chelate niobium-lumogallion are investigated. The observed micellar enhancement factor (MEF) of the fluorescence depends on the chemical type of the surfactant (an MEF of 19. 3-25. 5 was observed for Nemols, 14. 7-19. 5 for Tritons, and 3. 5-5. 6 for Genapols). The surfactant chain length did not influence the MEF. The influence on the observed MEF of the micellar charge and of the nature of the auxiliary ligand used to maintain Nb(V) in solution is studied as well, from parallel absorptiometric and fluorometric measurements.

引用

页码：2161 / 2166

页数：6

共 25 条

[1] THE SURFACTANT-SENSITIZED ANALYTICAL REACTION OF NIOBIUM WITH 8-HYDROXYQUINOLINE-5-SULPHONIC ACID [J].

ALONSO, JIG ;

GARCIA, MED ;

MEDEL, AS .

TALANTA, 1984, 31 (05) :361-366

[2] ENHANCED FLUORESCENCE AND ROOM-TEMPERATURE LIQUID PHOSPHORESCENCE DETECTION IN PSEUDOPHASE LIQUID-CHROMATOGRAPHY (PLC) [J].

ARMSTRONG, DW ;

HINZE, WL ;

BUI, KH ;

SINGH, HN .

ANALYTICAL LETTERS PART A-CHEMICAL ANALYSIS, 1981, 14 (19) :1659-1667

[3]

BLANCO E, 1985, QUIM ANAL BARCELONA, V4, P408

[4]

CARRION JL, 1983, QUIM ANAL, V2, P271

[5]

CARRION JL, 1984, ESP QUIM CASTELL SEP

[6] THE USE OF ULTRAVIOLET-VISIBLE SPECTROPHOTOMETRY IN THE DETERMINATION OF AVERAGE PROPERTIES OF NONYLPHENOL ETHYLENE-OXIDE CONDENSATES [J].

DELAGUARDIA, M ;

CARRION, JL ;

MEDINA, J .

ANALYTICA CHIMICA ACTA, 1983, 155 (DEC) :113-121

[7]

DELAGUARDIA M, 1984, ANALYST LONDON, V109, P157

[8] MOLECULAR-CONFORMATIONS IN SURFACTANT MICELLES [J].

DILL, KA ;

KOPPEL, DE ;

CANTOR, RS ;

DILL, JD ;

BENDEDOUCH, D ;

CHEN, SH .

NATURE, 1984, 309 (5963) :42-45

[9] DYE SURFACTANT INTERACTIONS - A REVIEW [J].

GARCIA, MED ;

SANZMEDEL, A .

TALANTA, 1986, 33 (03) :255-264

[10] TIME-RESOLVED FLUOROMETRIC-DETERMINATION OF TERBIUM IN AQUEOUS-SOLUTION [J].

HEMMILA, I .

ANALYTICAL CHEMISTRY, 1985, 57 (08) :1676-1681

← 1 2 3 →