Browsing by Subject "Química analítica"
Now showing items 1-3 of 3
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Avaliação da digestão de amostras de piche assistida por radiação microondas e determinação de metais por ICP OES
This work reports the development of analytical methodologies for the determination of metals in samples of pitch after their digestion employing different strategies based on microwave radiation. The digestion process was ... -
Avaliação de Três Técnicas de Isolamento de Polifenóis: aplicação em amostras de chocolate meio amargo
| Posted on: 17 jan. 2005Polyphenols were intrinsic components of the cocoa; therefore, derivative products of cocoa, like chocolate, can be considered functional food, bringing beneficial effects to costumer's health, as it is suggested for red ... -
Otimização multivariada dos parâmetros cromatográficos para determinação de furfural em vinho branco por CLAE-DAD
| Posted on: 28 fev. 2013This work describes the optimization of an analytical method for the direct determination of furfural in white wines by High Performance Liquid Chromatography with a diode array detector (HPLC-DAD). No prior treatment of ...