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Citation: Cm. Barra et Mmc. Dos Santos, Speciation of inorganic arsenic in natural waters by square-wave cathodic stripping voltammetry, ELECTROANAL, 13(13), 2001, pp. 1098-1104

Authors: Barra, CM Curtius, AJ de Campos, RC Perez, DV

Citation: Cm. Barra et al., Evaluation of four aluminum extraction methods using selected Brazilian soils, COMM SOIL S, 32(11-12), 2001, pp. 1969-1980

Authors: Barra, CM Cervera, ML de la Guardia, M Santelli, RE

Citation: Cm. Barra et al., Atomic fluorescence determination of inorganic arsenic in soils after microwave-assisted distillation, ANALYT CHIM, 407(1-2), 2000, pp. 155-163