| Micro-bubble size distribution measurements by laser diffraction technique HJB Couto, DG Nunes, R Neumann, SCA França Minerals Engineering 22 (4), 330-335, 2009 | 183 | 2009 |
| Paleoproterozoic high-sulfidation mineralization in the Tapajós gold province, Amazonian Craton, Brazil: geology, mineralogy, alunite argon age, and stable-isotope constraints C Juliani, RO Rye, CMD Nunes, LW Snee, RHC Silva, LVS Monteiro, ... Chemical Geology 215 (1-4), 95-125, 2005 | 123 | 2005 |
| Preparation and characterization of an organo-palygorskite-Fe3O4 nanomaterial for removal of anionic dyes from wastewater A Middea, LS Spinelli, FG Souza Jr, R Neumann, TLAP Fernandes, ... Applied Clay Science 139, 45-53, 2017 | 69 | 2017 |
| The structure of different cellulosic fibres characterized by Raman spectroscopy APP Alves, LPZ de Oliveira, AAN Castro, R Neumann, LFC de Oliveira, ... Vibrational Spectroscopy 86, 324-330, 2016 | 68 | 2016 |
| Parte II: Caracterização tecnológica de minérios R Neumann, CL Schneider, A Alcover Neto CETEM/MCT, 2010 | 61 | 2010 |
| Refinement of the isomorphic substitutions in goethite and hematite by the Rietveld method, and relevance to bauxite characterisation and processing R Neumann, AN Avelar, GM da Costa Minerals Engineering 55, 80-86, 2014 | 53 | 2014 |
| Evaluation of Fe (III) adsorption onto palygorskite surfaces A Middea, TLAP Fernandes, R Neumann, O da FM Gomes, LS Spinelli Applied Surface Science 282, 253-258, 2013 | 48 | 2013 |
| Comprehensive mineralogical and technological characterisation of the Araxá (SE Brazil) complex REE (Nb-P) ore, and the fate of its processing R Neumann, EB Medeiros International Journal of Mineral Processing 144, 1-10, 2015 | 47 | 2015 |
| Synthesis and characterization of magnetic palygorskite nanoparticles and their application on methylene blue remotion from water A Middea, LS Spinelli, FGS Junior, R Neumann, O da FM Gomes, ... Applied Surface Science 346, 232-239, 2015 | 47 | 2015 |
| New 40Ar/39Ar ages and revised 40K/40Ar* data from nephelinitic–phonolitic volcanic successions of the Trindade Island (South Atlantic Ocean) GLC Pires, EM Bongiolo, MC Geraldes, C Renac, AC Santos, F Jourdan, ... Journal of Volcanology and Geothermal Research 327, 531-538, 2016 | 41 | 2016 |
| Phurcalite from Perus, São Paulo, Brazil, and redetermination of its crystal structure D Atencio, R Neumann, A Silva, YP Mascarenhas Can. Mineral 29 (1), 95-105, 1991 | 38 | 1991 |
| A large‐scale meandering submarine canyon: outcrop example from the late Proterozoic Adelaide Geosyncline, South Australia CC Von der Borch, AE Grady, R Aldam, D Miller, R Neumann, A Rovira, ... Sedimentology 32 (4), 507-518, 1985 | 35 | 1985 |
| Mineral quantification with simultaneous refinement of Ca-Mg carbonates non-stoichiometry by X-ray diffraction, Rietveld method HN Santos, R Neumann, CA Ávila Minerals 7 (9), 164, 2017 | 34 | 2017 |
| Poly (lactic acid) biocomposites with mango waste and organo‐montmorillonite for packaging EMB Lima, AM Lima, APS Minguita, NR Rojas dos Santos, ICS Pereira, ... Journal of Applied Polymer Science 136 (21), 47512, 2019 | 32 | 2019 |
| Magnetic polystyrene–palygorskite nanocomposite obtained by heterogeneous phase polymerization to apply in the treatment of oily waters A Middea, L Spinelli, FG Souza Junior, R Neumann, T Fernandes, ... Journal of Applied Polymer Science 135 (15), 46162, 2018 | 31 | 2018 |
| Geochemical modeling and Nd–Sr data links nephelinite–phonolite successions and xenoliths of Trindade Island (South Atlantic Ocean, Brazil) EM Bongiolo, GLC Pires, MC Geraldes, AC Santos, R Neumann Journal of Volcanology and Geothermal Research 306, 58-73, 2015 | 31 | 2015 |
| Série histórica da composição química de pilhas alcalinas e zinco-carbono fabricadas entre 1991 e 2009 BO Silva, SC Câmara, JC Afonso, R Neumanne, A Alcover Neto Química Nova 34, 812-818, 2011 | 31 | 2011 |
| A Rhyacian continental arc during the evolution of the Mineiro belt, Brazil: Constraints from the Rio Grande and Brumado metadiorites CD Cardoso, CA Ávila, R Neumann, EP Oliveira, ... Lithos 326, 246-264, 2019 | 29 | 2019 |
| Nickel carriers in laterite ores and their influence on the mechanism of nickel extraction by sulfation-roasting-leaching process PPM Ribeiro, R Neumann, ID dos Santos, MC Rezende, P Radino-Rouse, ... Minerals Engineering 131, 90-97, 2019 | 29 | 2019 |
| An application of differential thermal analysis to determine the change in thermal properties of mold powders used in continuous casting of steel slabs RW Soares, MVA Fonseca, R Neuman, VJ Menezes, AO Lavinas, ... Thermochimica acta 318 (1-2), 131-136, 1998 | 27 | 1998 |
Ciro AvilaProfessor de Geologia, Universidade Federal do Rio de JaneiroVerified email at mn.ufrj.br
