Zobrazeno 1 - 10
of 42
pro vyhledávání: '"C. Guiberteau"'
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 100:79-91
A method for the simultaneous determination of the isomers 3-hydroxybenzaldehyde and 4-hydroxybenzaldehyde in binary mixtures is proposed. The method is based on the use of the first derivative of the ratio spectra obtained by dividing the amplitudes
Autor:
V. Rodríguez Robledo, M. J. Villaseñor Llerena, C. Guiberteau Cabanillas, J. J. Berzas Nevado
Publikováno v:
Journal of Chromatography A. 1123:130-133
Capillary gas chromatography with mass spectrometry detection in SIM mode (GC–MS-SIM) has been used for the analysis of citalopram (CIT), fluoxetine (FLX), and all of their metabolites in urine samples. The instrumental parameters affecting GC sepa
Publikováno v:
Analytica Chimica Acta. 519:219-230
A simple and fast capillary gas chromatographic method with flame ionisation detection (FID) has been developed for the analysis of fluoxetine, fluvoxamine, citalopram, sertraline and paroxetine in their pharmaceutical preparations, using clomipramin
Akademický článek
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Publikováno v:
Chromatographia. 56:545-551
An easy, rapid, and sensitive high-performance liquid chromatographic (HPLC) method is proposed for simultaneous determination of five antidepressants (trazodone, citalopram, fluoxetine, fluvoxamine and clomipramine) and norfluoxetine, a major metabo
Publikováno v:
Analytica Chimica Acta. 378:63-71
A capillary zone electrophoresis method for the separation of seven dyes is proposed. Optimal conditions for the separation were investigated. A background electrolyte solution consisting of 15 mM borate buffer adjusted to pH 10.5, hydrodynamic injec
Publikováno v:
Analytical Letters. 32:1879-1898
The multivariate calibration methods, partial least square regression type 1 (PLS 1) and principal component regression (PCR), were proposed for the simultaneous spectrophotometry determination of Amaranth (E-123), Ponceau 4R (E-124), Allura red (E-1
Autor:
J. Rodríguez Flores, A.M. Contento Salcedo, C. Guiberteau Cabanillas, M. J. Villaseñor Llerena, J. J. Berzas Nevado
Publikováno v:
Talanta. 46:933-942
A very simple spectrophotometric method is described for resolving ternary mixtures of the food colorants Tartrazine, Sunset Yellow and Ponceau 4R by using the first derivative of the ratio spectra with measurements at zero-crossing wavelengths. Cali
Autor:
M. J. Villaseñor Llerena, J. J. Berzas Nevado, C. Guiberteau Cabanillas, J. Rodríguez Flores, A.M. Contento Salcedo
Publikováno v:
Analytical Letters. 30:2565-2578
A very simple spectrophotometric method using measurements at zero-crossing wavelength is described for resolving ternary mixtures of the food colorants Erythrosine (E-127), Amaranth (E-123) and Tartrazine (E-102). Calibration graphs are linear up to
Publikováno v:
Journal of Liquid Chromatography & Related Technologies. 20:3073-3088
A reverse phase ion-pair high performance liquid chromatographic method is presented to determine six food dyes (E-110, E-120, E-122, E-123, E-124 and E-127). The tetra-butylammonium ion (TBA) is used as counter-ion in the mobile phase. The separatio