UNIVERSIDAD EAN

2 ARTICLES PUBLISHED IN JoVE

Chemistry

Analysis of Organochlorine Pesticides in a Soil Sample by a Modified QuEChERS Approach Using Ammonium Formate

¹Departamento de Ciencias Básicas, Facultad de Ingeniería, Universidad EAN

The present protocol describes the utilization of ammonium formate for phase partitioning in QuEChERS, together with gas chromatography-mass spectrometry, to successfully determine organochlorine pesticide residues in a soil sample.

Chemistry

Determination of 45 Pesticides in Avocado Varieties by the QuEChERS Method and Gas Chromatography-Tandem Mass Spectrometry

Diana Angélica Varela-Martínez¹, Miguel Ángel González-Curbelo¹, Javier González-Sálamo^2,3, Javier Hernández-Borges^2,3

¹Departamento de Ciencias Básicas, Facultad de Ingeniería, Universidad EAN, ²Departamento de Química, Unidad Departamental de Química Analítica, Facultad de Ciencias, Universidad de La Laguna (ULL), ³Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna (ULL)

The present protocol describes the analysis of multiclass pesticide residues in avocado varieties using the Quick-Easy-Cheap-Effective-Rugged-Safe (QuEChERS) method with ammonium formate, followed by gas chromatography-tandem mass spectrometry.