![Direct determination of manganese in produced waters from petroleum exploration by Electrothermal Atomic Absorption Spectrometry using Ir–W as permanent modifier]()
Direct determination of manganese in produced waters from petroleum exploration by Electrothermal Atomic Absorption Spectrometry using Ir–W as permanent modifierRicardo J. Cassella; Luis Gustavo T. dos Reis; Ricardo E. Santelli; Eliane P. Oliveira · 2011