Suzanne Brun's research while affiliated with École Supérieure de Physique et de Chimie Industrielles and other places
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Publication (1)
We compared 4 digestion procedures, namely, sulfuric-nitric acid in an open flask, nitric acid under pressure, sulfuric-nitric acid with refluxing, and nitric-hydrochloric-peroxide with refluxing, for the determination of cadmium by flameless atomic absorption spectrophotometry in 3 foodstuffs: rice, beef, and cream cheese. The foodstuffs were homo...
Citations
... Estas técnicas requerem uma destruição prévia parcial ou total da matéria orgânica da amostra 13,14 ; embora a destruição total da matéria orgânica por via seca seja largamente utilizada 15 , o tempo relativamente longo necessário para a sua realização tem conduzido a pesquisas em métodos por via úmida (destruição parcial) que sejam mais rápidos. Tais métodos envolvem a ação de ácidos e oxidantes e a utilização de várias formas de energia como, por exemplo, a térmica, o ultra-som e radiações (infravermelho, ultravioleta e microondas) 13,14,[16][17][18][19] . ...
