Jarbas J.R. Rohwedder: search on Z-Library

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1

Quantification of biodiesel and adulteration with vegetable oils in diesel/biodiesel blends using portable near-infrared spectrometer

Paiva, Eduardo Maia, Rohwedder, Jarbas José Rodrigues, Pasquini, Celio, Pimentel, Maria Fernanda, Pereira, Claudete Fernandes

Journal:

Year:

2015

Language:

english

File:

PDF, 1.24 MB

english, 2015

2

Determination of total sulfur in diesel fuel employing NIR spectroscopy and multivariate calibration

Breitkreitz, M�rcia C., Raimundo, Jr, Ivo M., Rohwedder, Jarbas J. R., Pasquini, Celio, Dantas Filho, Heronides A., Jos�, Gledson E., Ara�jo, M�rio C. U.

Journal:

The Analyst (Royal Society of Chemistry)

Year:

2003

Language:

english

File:

PDF, 106 KB

english, 2003

3

Application of low-field and medium-resolution 1H NMR spectroscopy combined with chemometric methods for automotive gasoline quality control

MagalhÃ£es de Aguiar, Leticia, Bona, Evandro, Alberto Colnago, Luiz, Rodrigues Rohwedder, Jarbas J., M. Killner, Mario Henrique

Journal:

Year:

2020

File:

PDF, 814 KB

2020

4

Determination of hydrogen peroxide by near infrared spectroscopy

Pimenta, Adriana, Frasson Scafi, Sérgio, Pasquini, Celio, Raimundo Jr, Ivo, Rohwedder, Jarbas, da Conceição B.S.M. Montenegro, Maria, Araújo, Alberto

Journal:

Journal of Near Infrared Spectroscopy

Year:

2003

Language:

english

File:

PDF, 67 KB

english, 2003

5

Construção e otimização de um sistema para produção e aplicação de ozônio em escala de laboratório

Kunz, Airton, Freire, Renato S., Rohwedder, Jarbas J. R., Duran, Nelson, Mansilla, Hector, Rodriguez, Jaime

Journal:

Year:

1999

File:

PDF, 101 KB

1999

6

Multi-electrode detection in voltammetry

Freire, Renato S., Rohwedder, Jarbas J. R., Pasquini, Celio

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1999

Language:

english

File:

PDF, 97 KB

english, 1999

7

Assessment of infrared spectroscopy and multivariate techniques for monitoring the service condition of diesel-engine lubricating oils

Arnobio Roberto Caneca, M. Fernanda Pimentel, Roberto Kawakami Harrop Galvão, Cláudia Eliane da Matta, Florival Rodrigues de Carvalho, Ivo M. Raimundo Jr., Celio Pasquini, Jarbas J.R. Rohwedder

Journal:

Year:

2006

Language:

english

File:

PDF, 370 KB

english, 2006

8

A new approach to flow-batch titration. A monosegmented flow titrator with coulometric reagent generation and potentiometric or biamperometric detection

Emerson Vidal de Aquino, Jarbas José Rodrigues Rohwedder, Celio Pasquini

Journal:

Analytical and Bioanalytical Chemistry

Year:

2006

Language:

english

File:

PDF, 249 KB

english, 2006

9

Design and development of a multichannel potentiometer for monitoring an electrode array and its application in flow analysis

Rohwedder, Jarbas J. R., Pasquini, Celio, Jr, Ivo M. Raimundo, Conceic&#x000B8, ao, M., Montenegro, B. S. M., Ara&#x000FA, jo, Alberto N., Couto, Cristina M. C. M.

Journal:

Journal of Automated Methods & Management in Chemistry

Year:

2002

Language:

english

File:

PDF, 230 KB

english, 2002

10

Application of amperometric sol–gel biosensor to flow injection determination of glucose

Cristina M.C.M. Couto, Alberto N. Araújo, M.Conceição B.S.M. Montenegro, Jarbas Rohwedder, Ivo Raimundo, Célio Pasquini

Journal:

Year:

2002

Language:

english

File:

PDF, 130 KB

english, 2002

11

iHEART: A miniaturized near-infrared in-line gas sensor using heart-shaped substrate-integrated hollow waveguides

Ribessi, Rafael L., de A. Neves, Thiago, Rohwedder, Jarbas Jose Rodrigues, Pasquini, C, Raimundo Jr., Ivo, Wilk, Andreas, Kokoric, Vjekoslav, Mizaikoff, Boris

Journal:

The Analyst (Royal Society of Chemistry)

Year:

2016

Language:

english

File:

PDF, 1.23 MB

english, 2016

12

Sistema de injeção em fluxo espectrofotométrico para monitorar peróxido de hidrogênio em processo de fotodegradação por reação foto-Fenton

Oliveira, Mirela C., Nogueira, Raquel F. Pupo, Gomes Neto, José A., Jardim, Wilson F., Rohwedder, Jarbas J. R.

Journal:

Year:

2001

File:

PDF, 29 KB

2001

13

Low-frequency Raman spectrophotometer with wide laser illumination on the sample: A tool for pharmaceutical analytical analysis

Paiva, Eduardo Maia, Ribessi, Rafael Luiz, Pereira, Claudete Fernandes, Rohwedder, Jarbas José Rodrigues

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2019

Language:

english

File:

PDF, 1.67 MB

english, 2019

14

Infrared spectroscopy and multivariate method to quantify methane in gas sample emitted by cows

Ribessi, Rafael Luis, Vanlierde, AmÃ©lie, Rodrigues Rohwedder, Jarbas JosÃ©, Baeten, Vincent

Journal:

Vibrational Spectroscopy

Year:

2020

File:

PDF, 1.59 MB

2020

15

Flow-injection spectrophotometric multidetermination of metallic ions with a single reagent exploiting multicommutation and multidetection

Fábio R. P. Rocha, B. F. Reis, Jarbas J. R. Rohwedder

Journal:

Analytical and Bioanalytical Chemistry

Year:

2001

Language:

english

File:

PDF, 68 KB

english, 2001

16

A new approach to polarimetric measurements based on birefringent crystals and diode lasers

Ribeiro, Lívia Paulia Dias, Rohwedder, Jarbas José Rodrigues, Pasquini, Celio

Journal:

Analytica Chimica Acta

Year:

2013

Language:

english

File:

PDF, 288 KB

english, 2013

17

Determination of pentavalent antimony in antileishmaniotic drugs using an automated system for liquid–liquid extraction with on-line detection

Luciano Augusto Trivelin, Jarbas José Rodrigues Rohwedder, Susanne Rath

Journal:

Year:

2006

Language:

english

File:

PDF, 267 KB

english, 2006

18

Design and development of a multichannel potentiometer for monitoring an electrode array and its application in flow analysis

Rohwedder, Jarbas J. R., Pasquini, Celio, Raimundo, Jr., Ivo M., Conceiçao, M., Montenegro, B. S. M., Araújo, Alberto N., Couto, Cristina M. C. M.

Journal:

Journal of Automated Methods & Management in Chemistry

Year:

2002

Language:

english

File:

PDF, 1.39 MB

english, 2002

19

Method for building a portable near infrared photometer based on LEDs and interference filters chosen by a spectral variable selection algorithm

Paiva, Eduardo Maia, Rohwedder, Jarbas José Rodrigues, Pasquini, Celio, Pereira, Claudete Fernandes

Journal:

Microchemical Journal

Year:

2019

Language:

english

File:

PDF, 1.82 MB

english, 2019

20

A microfluidic device with integrated fluorimetric detection for flow injection analysis

Alexandre Fonseca, Ivo M. Raimundo, Jarbas J. R. Rohwedder, Renato S. Lima, Mário C. Ugulino Araújo

Journal:

Analytical and Bioanalytical Chemistry

Year:

2010

Language:

english

File:

PDF, 327 KB

english, 2010

21

Chloride-selective membrane electrodes and optodes based on an indium(III) porphyrin for the determination of chloride in a sequential injection analysis system

Adriana M. Pimenta, Alberto N. Araújo, Maria Conceição B.S.M. Montenegro, Celio Pasquini, Jarbas J.R. Rohwedder, Ivo M. Raimundo Jr.

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2004

Language:

english

File:

PDF, 130 KB

english, 2004

22

Development of a potentiometric flow cell with a stainless steel electrode for pH measurements. Determination of acid mixtures using flow injection analysis

Cleidiane G Zampronio, Jarbas J.R Rohwedder, Ronei J Poppi

Journal:

Year:

2000

Language:

english

File:

PDF, 147 KB

english, 2000

23

Low-frequency Raman spectrophotometer with wide laser illumination on the sample: A tool for pharmaceutical analytical analysis

Paiva, Eduardo Maia, Ribessi, Rafael Luiz, Pereira, Claudete Fernandes, Rohwedder, Jarbas José Rodrigues

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2019

File:

PDF, 1.67 MB

2019

24

Simultaneous determination of methanol and ethanol in gasoline using NIR spectroscopy: Effect of gasoline composition

Heitor L. Fernandes, Ivo M. Raimundo Jr, Celio Pasquini, Jarbas J.R. Rohwedder

Journal:

Year:

2008

Language:

english

File:

PDF, 421 KB

english, 2008

25

Catalytic reactions: determination of trace amounts of copper in natural samples

Jardim, Wilson F., Rohwedder, Jarbas J. R.

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1986

Language:

english

File:

PDF, 251 KB

english, 1986

26

Multivariate quantification of mebendazole polymorphs by terahertz time domain spectroscopy (THZ-TDS)

da Silva, Vitor H., Vieira, Francisco S., Rohwedder, Jarbas J. R., Pasquini, Celio, Pereira, Claudete F.

Journal:

The Analyst (Royal Society of Chemistry)

Year:

2017

Language:

english

File:

PDF, 1.63 MB

english, 2017

27

Automatic determination of mercury in samples of environmental interest

Canela, Maria Cristina, Jardim, Wilson F., Rohwedder, Jarbas J. R.

Journal:

Journal of Automatic Chemistry

Year:

1996

Language:

english

File:

PDF, 2.08 MB

english, 1996

28

Online monitoring of transesterification reaction by medium-resolution benchtop 1H NMR and NIR spectroscopy

Galvan, Diego, de Aguiar, Leticia MagalhÃ£es, Rohwedder, Jarbas JosÃ© R., Borsato, Dionisio, Killner, Mario Henrique M.

Journal:

Fuel Processing Technology

Year:

2020

File:

PDF, 3.28 MB

2020

29

Electric Field-Assisted Solid Phase Extraction: Devices, Development and Application with a Cationic Model Compound

Orlando, Ricardo Mathias, Rohwedder, Jarbas José Rodrigues, Rath, Susanne

Journal:

Chromatographia

Year:

2014

Language:

english

File:

PDF, 645 KB

english, 2014

30

Development of a high sensitivity photometric procedure for the determination of vanadium in mineral and fresh waters employing a downsized multicommuted flow analysis approach

Dias, Tuanne R., Rohwedder, Jarbas J. R., Brasil, Marcos A. S., Reis, Boaventura F.

Journal:

Analytical Methods

Year:

2014

Language:

english

File:

PDF, 798 KB

english, 2014

31

Electric field-assisted solid phase extraction and cleanup of ionic compounds in complex food matrices: Fluoroquinolones in eggs

Ribeiro, Cyntia Cabral, Orlando, Ricardo Mathias, Rohwedder, Jarbas José Rodrigues, Reyes, Felix Guillermo Reyes, Rath, Susanne

Journal:

Year:

2016

Language:

english

File:

PDF, 521 KB

english, 2016

32

Coupling Continuous Flow Microreactors to MicroNIR Spectroscopy: Ultra-Compact Device for the Facile In-line Reaction Monitoring.

Galaverna, Renan, Ribessi, Rafael Luis, Rohwedder, Jarbas José Rodrigues, Pastre, Julio Cezar

Journal:

Organic Process Research & Development

Year:

2018

Language:

english

File:

PDF, 1.41 MB

english, 2018

33

Determination of detergent and dispensant additives in gasoline by ring-oven and near infrared hypespectral imaging

Rodrigues e Brito, Lívia, da Silva, Michelle P.F., Rohwedder, Jarbas J.R., Pasquini, Celio, Honorato, Fernanda A., Pimentel, Maria Fernanda

Journal:

Analytica Chimica Acta

Year:

2015

Language:

english

File:

PDF, 3.78 MB

english, 2015

34

Simultaneous determination of chloride and potassium in carbohydrate electrolyte beverages using an array of ion-selective electrodes controlled by a microcomputer

Fernandes, Julio Cesar B., Oliveira Neto, Graciliano de, Rohwedder, Jarbas José R., Kubota, Lauro T.

Journal:

Journal of the Brazilian Chemical Society

Year:

2000

Language:

english

File:

PDF, 69 KB

english, 2000

35

Fast method for determination of surface area on zeolites-based catalysts and zeolites using near infrared emission spectroscopy

Rebouças, Jicarla Portela, Rodrigues Rohwedder, Jarbas Jose, Pasquini, Celio

Journal:

Analytical Methods

Year:

2019

Language:

english

File:

PDF, 1.14 MB

english, 2019

36

Determination of phosphate in natural water employing a monosegmented flow system with simultaneous multiple injection

Maria Celeste Teixeira Diniz, Orlando Fatibello Filho, Emerson Vidal de Aquino, Jarbas J.R. Rohwedder

Journal:

Year:

2004

Language:

english

File:

PDF, 96 KB

english, 2004

37

Montmorillonite and vermiculite as solid phases for the preconcentration of trace elements in natural waters: Adsorption and desorption studies of As, Ba, Cu, Cd, Co, Cr, Mn, Ni, Pb, Sr, V, and Zn

dos Anjos, Vanessa E., Rohwedder, Jarbas R., Cadore, Solange, Abate, Gilberto, Grassi, Marco T.

Journal:

Applied Clay Science

Year:

2014

Language:

english

File:

PDF, 664 KB

english, 2014

38

Fast method for determination of surface area on zeolites-based catalysts and zeolites using near infrared emission spectroscopy

Rebouças, Jicarla Portela, Rodrigues Rohwedder, Jarbas Jose, Pasquini, Celio

Journal:

Analytical Methods

Year:

2019

File:

PDF, 1.14 MB

2019

39

Synchrotron radiation X-Ray fluorescence at the LNLS: beamline instrumentation and experiments

Carlos A. Pérez, Martin Radtke, Héctor J. Sánchez, Helio Tolentino, Regis T. Neuenshwander, William Barg, Marcelo Rubio, María Izabel Silveira Bueno, Ivo M. Raimundo, Jarbas J. R. Rohwedder

Journal:

X-Ray Spectrometry

Year:

1999

Language:

english

File:

PDF, 147 KB

english, 1999

40

[IEEE 2013 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) - Minneapolis, MN, USA (2013.05.6-2013.05.9)] 2013 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) - A new method to detect fault gas in insulation oil using NIR spectroscopy and multivariate calibration

Borges, Gilze, Rohwedder, Jarbas, Bortoni, Edson

Year:

2013

Language:

english

File:

PDF, 295 KB

english, 2013

41

A monosegmented-flow Karl Fischer titrator

Emerson Vidal de Aquino, Jarbas José Rodrigues Rohwedder, Celio Pasquini

Journal:

Year:

2007

Language:

english

File:

PDF, 415 KB

english, 2007

42

Monosegmented flow titrator

Emerson Vidal de Aquino, Jarbas J.R Rohwedder, Celio Pasquini

Journal:

Analytica Chimica Acta

Year:

2001

Language:

english

File:

PDF, 125 KB

english, 2001

43

Artificial neural networks applied to potentiometric acid–base flow injection titrations

Cleidiane G Zampronio, Jarbas J.R Rohwedder, Ronei J Poppi

Journal:

Chemometrics and Intelligent Laboratory Systems

Year:

2002

Language:

english

File:

PDF, 163 KB

english, 2002

44

Construction and evaluation of an optical pH sensor based on polyaniline–porous Vycor glass nanocomposite

Pilar T. Sotomayor, Ivo M. Raimundo Jr., Aldo J.G. Zarbin, Jarbas J.R. Rohwedder, Graciliano Oliveira Neto, Oswaldo L. Alves

Journal:

Sensors and Actuators B: Chemical

Year:

2001

Language:

english

File:

PDF, 177 KB

english, 2001

45

Effect of ethanol in the organic phase on liquid–liquid extraction in monosegmented flow analysis. Determination of zinc in drugs

Emerson Vidal de Aquino, Jarbas José Rodrigues Rohwedder, Ileana Facchin, Celio Pasquini

Journal:

Year:

2002

Language:

english

File:

PDF, 342 KB

english, 2002

46

Silicone Sensing Phase for Detection of Aromatic Hydrocarbons in Water Employing Near-Infrared Spectroscopy

Albuquerque, Jackson S., Pimentel, M. Fernanda, Silva, Valdinete L., Raimundo, Ivo M., Rohwedder, Jarbas J. R., Pasquini, Celio

Journal:

Analytical Chemistry

Year:

2005

Language:

english

File:

PDF, 164 KB

english, 2005

47

Development and preliminary evaluation of a spectrophotopolarimeter based on acoustic-optical tunable filter

Dias Ribeiro, Lívia Paulia, Pereira, Mariana Guilherme, Rohwedder, Jarbas José Rodrigues, Pasquini, Celio

Journal:

Measurement Science and Technology

Year:

2013

Language:

english

File:

PDF, 486 KB

english, 2013

48

An automated system for liquid–liquid extraction based on a new micro-batch extraction chamber with on-line detection: Preconcentration and determination of copper(II)

Maria Celeste Teixeira Diniz, Orlando Fatibello Filho, Jarbas J.R. Rohwedder

Journal:

Analytica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 177 KB

english, 2004

49

Multi-electrode detection in voltammetryPart 2.† Evaluation of a Hadamard multiplexed voltammetric technique

Rohwedder, Jarbas J. R., Pasquini, Celio

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1998

Language:

english

File:

PDF, 121 KB

english, 1998

50

Multi-electrode detection in voltammetryPart I. A versatile multi-channel voltammetric instrument

Rohwedder, Jarbas J.R., Pasquini, Celio

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1998

Language:

english

File:

PDF, 113 KB

english, 1998

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