Técnica para la Digestión por Microondas en Vaso Cerrado de Alimentos no Grasos.

Área de trabajo: Análisis de Alimentos y Bebidas.

Título: Técnica para la Digestión por Microondas en Vaso Cerrado de Alimentos no Grasos.

Título original: Microwave Digestion Recipe Closed Vessel for Non Oil Base Food.

Autor: Suhas Narkhede, Ph. D. Questron Technologies, Canada.

Procedure

 Add sample to each Teflon liner.

 Inside a fume hood, add 10 ml HNO3 and 2 ml H2O2 and transfer them to QBlock for pre-treatment

 Carry out following heating cycle

 Let vessel out gas and add 4 ml of HCl

 Make sure liners are clean before transferring them to vessel outer

 Seal the vessels and load them in QLabPro carousel.

 Run digestion program as under

Digestion Program

 At the end of digestion program, let the samples cool down to 90°C in the system itself.

 Inside a fume hood, partly unscrew the OPGuard slowly to release the pressure.

 Once pressure is released, retightened the valve.

 Transfer the content to standard flask for further sample work up and analysis.

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