Wagna Piler Carvalho dos Santos

A critical evaluation of digestion procedures for coffee samples using diluted nitric acid in closed vessels for inductively coupled plasma optical emission spectrometry

Jacira Teixeira Castro, Elisângela Costa Santos, Wagna Piler Carvalho dos Santos et al. · Talanta · 2009 · 95 citations

Engineering, Nitric Acid, Optical Diagnostics +8

Application of multivariate optimization in the development of an ultrasound-assisted extraction procedure for multielemental determination in bean seeds samples using ICP OES

Wagna Piler Carvalho dos Santos, Jacira Teixeira Castro, Marcos Almeida Bezerra et al. · Microchemical Journal · 2008 · 67 citations

Bean Seeds Samples, Agricultural Engineering, Engineering +12

Chronology of anthropogenic impacts reconstructed from sediment records of trace metals and Pb isotopes in Todos os Santos Bay (NE Brazil)

R.L.B. Andrade, Vanessa Hatje, Pere Masqué et al. · Marine Pollution Bulletin · 2017 · 49 citations · Full text

Sedimentary Record, Engineering, Trace Element Geochemistry +10

Multivariate optimization for the determination of cadmium and lead in crude palm oil by graphite furnace atomic absorption spectrometry after extraction induced by emulsion breaking

Gisseli Souza Valasques, Ana Maria Pinto dos Santos, Valdinei Santos de Souza et al. · Microchemical Journal · 2019 · 47 citations

Emulsion Breaking, Environmental Chemistry, Chemical Engineering +14

Evaluation of minerals, toxic elements and bioactive compounds in rose petals (Rosa spp.) using chemometric tools and artificial neural networks

Ana Maria Pinto dos Santos, Emmanuelle F.R. Silva, Walter Nei Lopes dos Santos et al. · Microchemical Journal · 2017 · 43 citations

Environmental Chemistry, Plant Analysis, Toxic Elements +13