Development and validation of a portable gas phase standard generation and calibration system for volatile organic compounds

The objective of this study is to evaluate the chemical composition of volatile compounds in sonication extracts of fruits and leaves of Morinda citrifolia Linn., looking

When considering to evaluate in this article the role of attachment in the choice of tourist destination of Portuguese emigrants, this section intends to make

De acordo com o terceiro objetivo de investigação, que passa por comparar os resultados obtidos num questionário, sobre a relação de compromisso entre os consumidores e as

HRGC-MS (high resolution gas chromatography coupled with mass spectrometry) analysis allowed the identification of the chemical constituents (alkaloids and other compounds) from

A method was developed using matrix solid-phase dispersion (MSPD), together with gas chromatography coupled to mass spectrometry (GC-MS) for determination of

The chromatographic method developed and validated here showed the applicability of gas chromatography-mass spectrometry and solid-phase microextraction for quantification of

sinensis induced by the fungal-inoculation method (F), its chemical composition and relative amount of essential oils were measured by gas chromatography-mass spectrometry

Analysis by Gas Chromatography and Gas Chromatography/Mass Spectrometry of the essential oils obtained from leaves of Echinodorus grandiflorus (“Chapéu de couro”) from two