Use of fiberglass support in the application of dried-spot technique with dispersion liquid-liquid microextraction for the determination of Co, Cr, Cu, Ni and Pb by Energy Dispersive X-Ray Fluorescence Spectrometry
Ohana Nadine de Almeida, Francisco Heriberto Martinez Luzardo, Fábio Alan Carqueija Amorim, Fermin Garcia Velasco, Luis Nieto González
