Percorrer por autor "Lopes, T. I. M. S."
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- Biliographic study of potentiometric methods of wine and must analysisPublication . Pérez-Olmos, R.; Herrero, R.; Lima, J. L. F. C.; Lopes, T. I. M. S.In this paper, an overview of the application of potentiometry to wine and must ana1ysis is presented. The large number of electrodes nowadays available with good characteristics for routine use, namely good selectivity and low response times, allowing measurements in a broad linear dependence range, with a relative low cost, simple sample pre-treatment requirements, no sensitivity to colour or turbidity of the samples, make potentiometry an attractive instrumental tecnique for wine and must ana1ysis. Methods developed so far present good precision and the results show a fairly good agreement with those obtained by the application of reference methods.
- Flow injection wine analysis : a critical review and future trendsPublication . Ferreira, A. M. R.; Lima, J. L. F. C.; Lopes, T. I. M. S.; Rangel, António O. S. S.For effective control of wine quality, a routine wine laboratory should be able to analyse rapidly and reliably a large number of samples. As flow injection analysis (FIA) is becoming a privileged way for automation of wet chemical procedures, a critical review of its present status for application to wine analysis is presented. We evidence the possibilities of this analytical technique in this area as well as its possible evolution trends, namely by using manifolds for multidetection.
- Oxidation Management of White Wines Using Cyclic Voltammetry and Multivariate Process MonitoringPublication . Martins, R.; Bento, F.; Geraldo, D.; Lopes, V.; Lopes, T. I. M. S.; Oliveira, C.; Ferreira, A. C. Silva