Evaluation of a fibre optic device in solution equilibria studies. Application to 3-hydroxybenzoic acid ionizationle.

被引:12
作者
Crisponi, G [1 ]
Caredda, A [1 ]
Cristiani, F [1 ]
Diaz, A [1 ]
Nurchi, VM [1 ]
Pinna, R [1 ]
Pivetta, T [1 ]
Silvagni, R [1 ]
机构
[1] Univ Cagliari, Ctr Interdipartimento Studio Met Med, Dipartimento Sci Chim, I-09042 Cagliari, Italy
关键词
D O I
10.1002/adic.200490018
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The use of a fibre optic device for spectrophotometric measurements in solution equilibria studies is presented. In particular the precision obtainable with such equipment is evaluated as a function of different experimental conditions, such as path length, averaging time and stirring of the solution. Analysis of 3-hydroxybenzoic acid ionization is presented to assess the results obtained in the study of an equilibrium system.
引用
收藏
页码:147 / 153
页数:7
相关论文
共 9 条
[1]   Hyperquad simulation and speciation (HySS): a utility program for the investigation of equilibria involving soluble and partially soluble species [J].
Alderighi, L ;
Gans, P ;
Ienco, A ;
Peters, D ;
Sabatini, A ;
Vacca, A .
COORDINATION CHEMISTRY REVIEWS, 1999, 184 :311-318
[2]   SIMULTANEOUS DECOMPOSITION OF SEVERAL SPECTRA INTO THE CONSTITUENT GAUSSIAN PEAKS [J].
ARAGONI, MC ;
ARCA, M ;
CRISPONI, G ;
NURCHI, VM .
ANALYTICA CHIMICA ACTA, 1995, 316 (02) :195-204
[3]   Substituent effects on ionisation and 13C NMR properties of some monosubstituted phenols -: A potentiometric, spectrophotometric and 13C NMR study [J].
Crisponi, G ;
Casu, M ;
Nurchi, VM ;
Cesare-Marincola, F ;
Pivetta, T ;
Silvagni, R .
TALANTA, 2002, 56 (03) :441-449
[4]   Spectrophotometric and potentiometric study on iron(II) complexes with some macrocyclic ligands [J].
Crisponi, G ;
Cristiani, F ;
Nurchi, VM ;
Pinna, R ;
Pivetta, T ;
Fusi, V ;
Micheloni, M .
INORGANICA CHIMICA ACTA, 2001, 323 (1-2) :62-68
[5]   Spectrophotometric methods in the study of solution equilibria [J].
Crisponi, G .
REACTIVE & FUNCTIONAL POLYMERS, 1997, 34 (01) :121-126
[6]   New developments for the numerical analysis of spectrophotometric titrations [J].
Dyson, RM ;
Jandanklang, P ;
Maeder, M ;
Mason, CJ ;
Whitson, A .
POLYHEDRON, 1999, 18 (25) :3227-3232
[7]   QUANTIFICATION OF A KNOWN COMPONENT IN AN UNKNOWN MIXTURE [J].
GAMPP, H ;
MAEDER, M ;
MEYER, CJ ;
ZUBERBUEHLER, AD .
ANALYTICA CHIMICA ACTA, 1987, 193 :287-293
[8]   DETERMINATION OF THE EQUIVALENCE POINT IN POTENTIOMETRIC TITRATIONS .2. [J].
GRAN, G .
ANALYST, 1952, 77 (920) :661-671
[9]  
ZEKANY L, 1985, COMPUTATIONAL METHOD, pCH8