Browsing by Subject "Gas chromatography"
Now showing items 1-5 of 5
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Development of a simple method for the quantitative determination of fatty acids in milk with special emphasis on long-chain fatty acids
(Taylor & Francis, 2012)A new and simple method was developed for the extraction and derivatization of fatty acid (FA) in milk. Lipid extraction of milk was carried out in H2SO4/methanol. Methylation was performed for 2 h at 60°C, and FA methyl ... -
Evaluación físico-química de aceite pigmentado obtenido de la cabeza de camarón
(Consejo Superior de Investigaciones Científicas (CSIC), 2011)En este trabajo se presenta el análisis proximal, caracterización físico-química, perfil de ácidos grasos y contenido de astaxantina en aceite pigmentado aislado por fermentación láctica de los residuos de camarón. Los ... -
Evaluación preliminar de la presencia de pesticidas organoclorados en pescados de la presa Vicente Guerrero (Tamaulipas, México)
(Taylor and Francis, 2008)Organochlorine pesticides (OCPs) are classified as persistent organic pollutants. The presence of OCPs in the environment is of global concern as they are persistent, ubiquitous and highly toxic. The purpose of this study ... -
Multi-Target Strategy to Uncover Unexpected Compounds in Rinse-Off and Leave-On Cosmetics
(MDPI, 2021)The wide range and complexity of cosmetic formulations currently available on the market poses a challenge from an analytical point of view. In addition, during cosmetics manufacture, impurities coming from raw materials ... -
Optimización de metodologías analíticas: determinación de ftalatos, butil hidroxitolueno y 4-metoxicinamato de 2-etilhexilo en muestras de agua mediante spe y gc-ms/ms
(2019-07)Los ftalatos son un grupo de productos químicos utilizados como plastificantes en adhesivos, recubrimientos, especialmente en la fabricación cloruro de polivinilo. El 2,6- di-terc-butil-4-metilfenol es un antioxidante ...