Browsing by Author Rohwedder, JJR

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PreviewIssue DateTitleAuthor(s)AdvisorType
2002Design and development of a multichannel potentiometer for monitoring an electrode array and its application in flow analysisRohwedder, JJR; Pasquini, C; Raimundo, IM; Conceicao, M; Montenegro, BSM; Araujo, AN; Couto, CMCM-Artigo de periódico
2004Determination of phosphate in natural water employing a monosegmented flow system with simultaneous multiple injectionDiniz, MCT; Fatibello, O; de Aquino, EV; Rohwedder, JJR-Artigo de periódico
2001Flow injection spectrophotometric system for hydrogen peroxide monitoring in photo-Fenton degradation processes.Oliveira, MC; Nogueira, RFP; Neto, JAG; Jardim, WF; Rohwedder, JJR-Artigo de periódico
2003Determination of total sulfur in diesel fuel employing NIR spectroscopy and multivariate calibrationBreitkreitz, MC; Raimundo, IM; Rohwedder, JJR; Pasquini, C; Dantas, HA; Jose, GE; Araujo, MCU-Artigo de periódico
2013Development and preliminary evaluation of a spectrophotopolarimeter based on acoustic-optical tunable filterRibeiro, LPD; Pereira, MG; Rohwedder, JJR; Pasquini, C-Artigo de periódico
2000Development of a potentiometric flow cell with a stainless steel electrode for pH measurements. Determination of acid mixtures using flow injection analysisZampronio, CG; Rohwedder, JJR; Poppi, RJ-Artigo de periódico
1999Multi-electrode detection in voltammetry - Part 3. Effects of array configuration Hadamard multiplexed voltammetric techniqueFreire, RS; Rohwedder, JJR; Pasquini, C-Artigo de periódico
1998Multi-electrode detection in voltammetry - Part I. A versatile multi-channel voltammetric instrumentRohwedder, JJR; Pasquini, C-Artigo de periódico
1998Multi-electrode detection in voltammetry Part 2. Evaluation of a Hadamard multiplexed voltammetric techniqueRohwedder, JJR; Pasquini, C-Artigo de periódico
2002Effect of ethanol in the organic phase on liquid-liquid extraction in monosegmented flow analysis. Determination of zinc in drugsde Aquino, EV; Rohwedder, JJR; Facchin, I; Pasquini, C-Artigo de periódico
2013TEACHING EXPERIMENT OF CHEMOMETRICS FOR MULTIVARIATE CALIBRATION IN DETERMINATION OF PARACETAMOL IN COMMERCIAL TABLETS USING NEAR-INFRARED SPECTROSCOPY: A TUTORIAL, PART II.de Souza, AM; Breitkreitz, MC; Filgueiras, PR; Rohwedder, JJR; Poppi, RJ-Artigo de periódico
2006Determination of pentavalent antimony in antileishmaniotic drugs using an automated system for liquid-liquid extraction with on-line detectionTrivelin, LA; Rohwedder, JJR; Rath, S-Artigo de periódico
1998Effect on electrochemistry of hexacyanoferrate at carbon fibers after pretreatment with titanium chloridede Carvalho, RM; Kubota, LT; Rohwedder, JJR; Csoregi, E; Gorton, L-Artigo de periódico
2014Electric Field-Assisted Solid Phase Extraction: Devices, Development and Application with a Cationic Model CompoundOrlando, RM; Rohwedder, JJR; Rath, S-Artigo de periódico
2007A monosegmented-flow Karl Fischer titratorde Aquino, EV; Rohwedder, JJR; Pasquini, C-Artigo de periódico
2013A new approach to polarimetric measurements based on birefringent crystals and diode lasersRibeiro, LPD; Rohwedder, JJR; Pasquini, C-Artigo de periódico
2001Flow-injection spectrophotometric multidetermination of metallic ions with a single reagent exploiting multicommutation and multidetectionRocha, FRP; Reis, BF; Rohwedder, JJR-Artigo de periódico
2013Semiautomated solid-phase extraction manifold with a solvent-level sensorOrlando, RM; Rath, S; Rohwedder, JJR-Artigo de periódico
2006A new approach to flow-batch titration. A monosegmented flow titrator with coulometric reagent generation and potentiometric or biamperometric detectionde Aquino, EV; Rohwedder, JJR; Pasquini, C-Artigo de periódico
2008Simultaneous determination of methanol and ethanol in gasoline using NIR spectroscopy: Effect of gasoline compositionFemandes, HL; Raimundo, IM; Pasquini, C; Rohwedder, JJR-Artigo de periódico