Grupo de Instrumentação e Automação
em Química Analítica

TRABALHOS PUBLICADOS
1998 - 2000

87 - An Optical Sensor for Measurement of Gaseous Ammonia
Raimundo Jr, I. M., Narayanaswamy, R.
Química Analítica, V.19, p.127 - 134, 2000.


 

86 - Increasing Titration Speed by Using an End Point Anticipator Device.
Pasquini, C.; Aquino, E. V.; Rohwedder, J. J. R.; Scaf, S. H. F.
Química Analítica, V. 20, p. 55-58, 2000


 

85 - Slurry Analysis by Multichannel Arc/Spark  Emission Spectrometry Using a Monosegmented System: Determination of Aluminium in

Sediments
Magalhães, C. E. C.; Pasquini, C.; Arruda, M. A. Z.
Laboratory Robotics And Automation, V. 12, p. 46-52, 2000


 

84 - Development of a Potentiometric Flow Cell  with a Stainless Steel Electrode for pH Measurements. Determination of Acid Mixtures Using Flow Injection Analysis
Zampronio, C. G.; Rohwedder, J. J. R.; Poppi, R. J. 
Talanta, V. 51, p. 1163-1169, 2000


 

83 - Simultaneuos Determination of Cloride and Potassium in Carbohydrate Eletrolyte Beverages Using Array of Ion-Selective Electrode Controlled by Microcomputer
Rohwedder, J. J. R.; Kubota, L. T.; Fernandes, J. C. B.; Oliveira Neto, G. 
Journal Brazilian Chemical Society, Brasil, V. 11, p. 349-354, 2000.


 

82 -Características e Aplicações de Ultramicroeletrodos em Medidas Voltamétricas
Freire, R. S.; Rohwedder, J. J. R.
Revista de Educação Tecnológica do Cefet, Brasil, V. 1, p. 77-83, 2000.


 

81 - Evaluation of Nafion-Crystal Violet Films for the Construction of an Optical Relative Humidity Sensor.
Raimundo Jr, I. M., Narayanaswamy, R.
Analyst, V.124, N.11, p.1623 - 1627, 1999


 

80 - Bisegmented System for Determination of  Low Concentrations of Gaseous Constituents
Silva, M. C. H.; Pasquini, C.
Analytica Chimica Acta, V. 393, p. 121-129, 1999


 

79 - Determination of Gaseous Analytes in Flow Systems. A Review
Pasquini, C.; Silva, M. C. H.
Journal Of The Brazilian Chemical Society, V. 10, p. 85-91, 1999


 

78 - Development of an Analyser to Determine the Oxygen and Carbon Dioxide Levels in the Head-Space of Packages
Silva, M. C. H.; Sarantópoulos, C. I. G. L.; Pimenta, N.; Pasquini, C.
Packaging  Technology And Science, V. 12, p. 271-275, 1999


 

77- Multielectrode Detection in Voltammetry. Part 3. Effects of Array Configuration on Hadamard Multiplexed Voltammetric Technique
Freire, R. R. S.; Rohwedder, J. J. R.; Pasquini, C.
Analyst, V. 124, p. 1657-1660, 1999.


 

76 - Why it is Called Monosegmented Flow Analysis?
Pasquini, C.
Journal Brazilian Chemical Society, V. 10, p. 527-529, 1999


 

75 - Construção e Otimização de um Sistema para Produção e Aplicação de Ozônio em Escala de Laboratório
Kunz, A.; Freire, R. S.; Rohwedder, J. J. R.; Duran, N.; Mansilla, H.; Rodriguez, J.
Química Nova,  V. 22, p. 425-428, 1999.


 

74 - Fibras de Carbono: Aplicações em Eletroanalítica como Material Eletródico
Carvalho, R. M.; Rohwedder, J. J. R.; Kubota, L. T. 
Química Nova, V. 22, p. 591-599, 1999


 

73 - Synchroton Radiation X-Ray Fluorescence at Lnls: Beamline Instrumentation and Experiments.
Perez, C. A.; Radtke, M.; Sanchez, H. S.; Tolentino, H.; Neuenshwander, R. T.; Barg, W.; Rubio, M.; Bueno, M. I. S.; Raimundo Jr, I. M.;

Rohwedder, J. J. R.

X- Ray Spectrometry, V. 28, p. 320-326, 1999


 

72 - Evaluation of Fibre Optical Chemical Sensors for Flow Analysis Systems
Sotamayor, M.P.T., Raimundo Jr, I. M., Oliveira Neto, G., Oliveira, W. A
Sensors And Actuators D (Chemical), V.51, p. 382 - 390, 1998


 

71 - Sampling Strategies in Sequential Injection Analysis : Exploting the Monosegmente. Flow Approach.
Vieira, J., Raimundo Jr, I. M., Reis, B., Zagatto, E. A. G., Lima, J. L. F. C.
Analytica Chimica Acta, V. 366, p.257 - 262, 1998


 

70 - Simultaneous Multiple Injection in Monosegmented Flow Analysis.
Brito, V. O., Raimundo Jr, I. M.
Analytica Chimica Acta., V. 371, p. 317 - 324, 1998


 

69 - Conversion of a Sequential Inductively Coupled Emission Spectrometer into a Multichannel Simultaneous System Using a Photodiode Array Detector
Pimentel, M. F.; Araújo, M. C. U.; B Neto, B.; Pasquini, C.
Journal Of Automatic Chemistry, V. 20, p. 69-75, 1998


 

68 - Determination of Ethanol and Methyl Tert-Butil Ether (Mtbe) in Gasoline by NIR-AOTF Based Spectroscopy and Multiple Linear Regresion with Variables Selected by Genetic Algorithm
Guchardi, R.; Costa Filho, P. A.; Poppi, R. J.; Pasquini, C.
Journal Of Near Infrared Spectroscopy, V. 6, p. 333-339, 1998


 

67 - Determination of CO2 in Gaseous Samples Using a Monosegmented Flow System and Conductimetric Detection
Silva, M. C. H.; Rohwedder, J. J. R.; Pasquini, C.
Analytica Chimica Acta, V. 336, p. 223-229, 1998


 

66 - Extração Líquido-Líquido em Sistemas de Fluxo.
Pasquini, C.; Facchin, I.
Química Nova, V. 21, p. 60-68, 1998


 

65-Multi-electrode Detection in Voltammetry. Part 1. A Versatile Multi-channel Voltammetric Instrument
Rohwedder, J. J. R.; Pasquini, C.
Analyst, V. 123, p. 1641-1648, 1998


 

64 -Multi-electrode Detection in Voltammetry. Part 2. Evaluation of a Hadamard Multiplexed Voltammetric Technique
Rohwedder, J. J. R.; Pasquini, C.
Analyst, V. 123, p. 1861-1866, 1998


 

63 - Effect Of Electrochemistry of Hexacyanoferrato at Carbon Fibers after Treatment with  Titanium Chloride.
Carvalho, R. M.;  Rohwedder, J. J. R.;  Kubota, L. T.;  Csoregi, E.;

Gorton, L.
Journal Of Electroanalytical Chemistry, V. 457, p. 83-88, 1998


 

62 - On-Line Microwave Slurry Sample Digeston Using Flow Systems for Spectrophotometric Determination of Iron in Seafood.
Pereira Filho, E. R.; Rohwedder, J. J. R.; Arruda, M. Z.
Analyst, V. 123, p. 1023-1028, 1998