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Mostrando ítems 31-40 de 802
A Headspace Solid Phase Microextraction (HS-SPME) method for the chromatographic determination of alkylpyrazines in cocoa samples
(Sociedade Brasileira de Química, 2004)
EXTRACTION WITH SPME AND SYNTHESIS OF 2-METHYL-6- VINYLPYRAZINE BY A ‘ONE POT’ REACTION USING MICROWAVES.
(2013-03-05)
A synthesis of 2-methyl-6-vinylpyrazine was carried out by way of a ‘one pot’ reaction. In order to establish the efficiency of this synthesis the extraction of the volatiles released by male papaya fruit flies was performed ...
Determinação de resíduos dos pesticidas pirimetanil, pirimicarbe e buprofezina em águas ambientais por SPME e GCMS
(Universidade Federal de SergipePós-Graduação em QuímicaBRUFS, 2017)
Evaluation of the influence of extraction conditions on the isolation and identification of volatile compounds from cagaita (Eugenia dysenterica) using HS-SPME/GC-MS
(Universidade Federal de Minas GeraisBrasilFAR - DEPARTAMENTO DE ALIMENTOSICX - DEPARTAMENTO DE QUÍMICAUFMG, 2019-02)
Development and validation of an SPME-GC method for a degradation kinetics study of propiconazole I, propiconazole II and tebuconazole in blueberries in Concordia, the main production area of Argentina
(Taylor and Francis Ltd., 2017-05)
An analytical method for the simultaneous determination of propiconazole isomers and tebuconazole residues in blueberries was developed using solid-phase microextraction (SPME) coupled to gas chromatography. Confirmation ...