CASSELLA, Ricardo J.: search on Z-Library

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1

Determination of Cu, Fe, Mn and Zn by flame atomic absorption spectrometry in multivitamin/multimineral dosage forms or tablets after an acidic extraction

Sílvio Soriano, Annibal D. Pereira Netto, Ricardo J. Cassella

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2007

Language:

english

File:

PDF, 644 KB

english, 2007

2

Determination of Total Fluoride in Oral Products by Using of Potentiometry With Ion Selective Electrode: A Critical Study

Cassella*, Ricardo Jorgensen, Filho, Hiram da C. Araújo, Júnior, Ademário I. da Silva, Cruz, Maria B., Campos, Monica D.

Journal:

Analytical Letters

Year:

2000

Language:

english

File:

PDF, 399 KB

english, 2000

3

Direct determination of lead in produced waters from petroleum exploration by electrothermal atomic absorption spectrometry X-ray fluorescence using Ir–W permanent modifier combined with hydrofluoric acid

Eliane P. Oliveira, Ricardo E. Santelli, Ricardo J. Cassella

Journal:

Analytica Chimica Acta

Year:

2005

Language:

english

File:

PDF, 119 KB

english, 2005

4

Employment of polyurethane foam for the adsorption of Methylene Blue in aqueous medium

Eliene E. Baldez, Nicolle F. Robaina, Ricardo J. Cassella

Journal:

Journal of Hazardous Materials

Year:

2008

Language:

english

File:

PDF, 591 KB

english, 2008

5

Estuarine sediment quality assessment by Fourier-transform infrared spectroscopy

Javier Moros, Ricardo J. Cassella, María C. Barciela-Alonso, Antonio Moreda-Piñeiro, Paloma Herbello-Hermelo, Pilar Bermejo-Barrera, Salvador Garrigues, Miguel de la Guardia

Journal:

Vibrational Spectroscopy

Year:

2010

Language:

english

File:

PDF, 1.07 MB

english, 2010

6

Determination of lithium in pharmaceutical formulations used in the treatment of bipolar disorder by flow injection analysis with spectrophotometric detection

Cássia Maria L. da Silva, Vanessa G.K. Almeida, Ricardo J. Cassella

Journal:

Year:

2007

Language:

english

File:

PDF, 502 KB

english, 2007

7

Removal of basic violet 3 dye from aqueous media using a steel industry residue as solid phase

Amaral, Camila N.R., Feiteira, Fernanda N., Cruz, Raphael C., Cravo, Vinícius O., Cassella, Ricardo. J., Pacheco, Wagner. F.

Journal:

Journal of Environmental Chemical Engineering

Year:

2016

Language:

english

File:

PDF, 719 KB

english, 2016

8

Polyurethane foam functionalized with phenylfluorone for online preconcentration and determination of copper and cadmium in water samples by flame atomic absorption spectrometry

de Sousa, Juliana Menezes, Couto, Marcos Tadeu, Cassella, Ricardo J.

Journal:

Microchemical Journal

Year:

2018

Language:

english

File:

PDF, 405 KB

english, 2018

9

A novel strategy based on in-syringe dispersive liquid-liquid microextraction for the determination of nickel in chocolate samples

Barreto, Jeferson Alves, dos Santos de Assis, Rosivan, Cassella, Ricardo Jorgensen, Lemos, Valfredo Azevedo

Journal:

Year:

2019

Language:

english

File:

PDF, 868 KB

english, 2019

10

Direct determination of Cu and Fe in jet fuel by electrothermal atomic absorption spectrometry with injection of sample as detergent emulsions

Ricardo J. Cassella, Daniel M. Brum, Claudio F. Lima, Teresa Cristina O. Fonseca

Journal:

Year:

2011

Language:

english

File:

PDF, 374 KB

english, 2011

11

Stabilization of aviation gasoline as detergent emulsion for lead determination by electrothermal atomic absorption spectrometry

Ricardo J. Cassella, Daniel M. Brum, Claudio F. Lima, Teresa Cristina O. Fonseca

Journal:

Fuel Processing Technology

Year:

2011

Language:

english

File:

PDF, 517 KB

english, 2011

12

Combined use of Pd and HF as chemical modifiers for the determination of total chromium in produced waters from petroleum exploration by ET AAS

Eliane P. Oliveira, Ricardo E. Santelli, Ricardo J. Cassella

Journal:

Microchemical Journal

Year:

2008

Language:

english

File:

PDF, 396 KB

english, 2008

13

Determination of total protein in hyperimmune serum samples by near-infrared spectrometry and multivariate calibration

Ana Luiza Q. Baddini, Luiz Eduardo R. da Cunha, Antônia Maria C. de Oliveira, Ricardo J. Cassella

Journal:

Analytical Biochemistry

Year:

2010

Language:

english

File:

PDF, 585 KB

english, 2010

14

Development of an integrated flow injection system for the electro-oxidative leaching of uranium from geological samples and its spectrophotometric determination with Arsenazo III

Álvaro Serafim F. de Sousa, Elizabeth M.M. Ferreira, Ricardo J. Cassella

Journal:

Analytica Chimica Acta

Year:

2008

Language:

english

File:

PDF, 409 KB

english, 2008

15

Separation of Malachite Green and Methyl Green cationic dyes from aqueous medium by adsorption on Amberlite XAD-2 and XAD-4 resins using sodium dodecylsulfate as carrier

Luís Gustavo T. dos Reis, Nicolle F. Robaina, Wagner F. Pacheco, Ricardo J. Cassella

Journal:

Chemical Engineering Journal

Year:

2011

Language:

english

File:

PDF, 539 KB

english, 2011

16

Characterization of solid-phase extraction of Fe(III) by unloaded polyurethane foam as thiocyanate complex

Gil Nunes de Almeida, Leandro M. de Sousa, Annibal D. Pereira Netto, Ricardo J. Cassella

Journal:

Journal of Colloid and Interface Science

Year:

2007

Language:

english

File:

PDF, 260 KB

english, 2007

17

Distribution of copper in the vicinity of a deactivated mining site at Carajás in the Amazon region of Brazil

Ricardo J. Cassella, Angela de L.R. Wagener, Ricardo E. Santelli, Klaus Wagener, Lídia Y. Tavares

Journal:

Journal of Hazardous Materials

Year:

2007

Language:

english

File:

PDF, 318 KB

english, 2007

18

Optimization of an open-focused microwave oven digestion procedure for determination of metals in diesel oil by inductively coupled plasma optical emission spectrometry

Flavio W. Sant’Ana, Ricardo E. Santelli, Alessandra R. Cassella, Ricardo J. Cassella

Journal:

Journal of Hazardous Materials

Year:

2007

Language:

english

File:

PDF, 388 KB

english, 2007

19

Polyurethane foam loaded with SDS for the adsorption of cationic dyes from aqueous medium: Multivariate optimization of the loading process

Nicolle F. Robaina, Silvio Soriano, Ricardo J. Cassella

Journal:

Journal of Hazardous Materials

Year:

2009

Language:

english

File:

PDF, 672 KB

english, 2009

20

Novel spectrophotometric method for the determination of aluminum in soda drinks packed in cans and plastic bottles

Barbara Bruna A. Francisco, Luiz Fernando S. Caldas, Daniel M. Brum, Ricardo J. Cassella

Journal:

Journal of Hazardous Materials

Year:

2010

Language:

english

File:

PDF, 202 KB

english, 2010

21

Focussed microwave-assisted sample preparation: total phenol determination in petroleum refinery effluents by flow injection spectrophotometry

Maria Cristina B Quaresma, Ricardo J Cassella, Mariade Fátima B Carvalho, Ricardo E Santelli

Journal:

Microchemical Journal

Year:

2004

Language:

english

File:

PDF, 155 KB

english, 2004

22

Letter to the Editor

Sérgio Luis Costa Ferreira, Ricardo Erthal Santelli, Francisco Radler de Aquino Neto, Joaquim Araújo Nóbrega, Ricardo Jorgensen Cassella

Journal:

Microchemical Journal

Year:

2006

Language:

english

File:

PDF, 100 KB

english, 2006

23

Multivariate optimization of a spectrophotometric method for copper determination in Brazilian sugar-cane spirits using the Doehlert design

Luiz Fernando S. Caldas, Barbara Bruna A. Francisco, Annibal D. Pereira Netto, Ricardo J. Cassella

Journal:

Microchemical Journal

Year:

2011

Language:

english

File:

PDF, 346 KB

english, 2011

24

Multiple response optimization for Cu, Fe and Pb determination in naphtha by graphite furnace atomic absorption spectrometry with sample injection as detergent emulsion

Daniel M. Brum, Claudio F. Lima, Nicolle F. Robaina, Teresa Cristina O. Fonseca, Ricardo J. Cassella

Journal:

Spectrochimica Acta Part B: Atomic Spectroscopy

Year:

2011

Language:

english

File:

PDF, 478 KB

english, 2011

25

Polyurethane foam as a sorbent for continuous flow analysis: Preconcentration and spectrophotometric determination of zinc in biological materials

Djane Santiago de Jesus, Ricardo Jorgensen Cassella, Sérgio Luis Costa Ferreira, Antonio Celso Spinolla Costa, Marcelo Souza de Carvalho, Ricardo Erthal Santelli

Journal:

Analytica Chimica Acta

Year:

1998

Language:

english

File:

PDF, 123 KB

english, 1998

26

An on-line solid phase extraction system using polyurethane foam for the spectrophotometric determination of nickel in silicates and alloys

Sérgio Luis Costa Ferreira, Djane Santiago de Jesus, Ricardo Jorgensen Cassella, Antonio Celso Spinola Costa, Marcelo Souza de Carvalho, Ricardo Erthal Santelli

Journal:

Analytica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 348 KB

english, 1999

27

Determination of arsenic in petroleum refinery streams by electrothermal atomic absorption spectrometry after multivariate optimization based on Doehlert design

Ricardo J Cassella, Otoniel D de Sant'Ana, Ricardo E Santelli

Journal:

Spectrochimica Acta Part B: Atomic Spectroscopy

Year:

2002

Language:

english

File:

PDF, 228 KB

english, 2002

28

Direct determination of arsenic and antimony in naphtha by electrothermal atomic absorption spectrometry with microemulsion sample introduction and iridium permanent modifier

RicardoJ. Cassella, BrunoAlbertoR.S. Barbosa, RicardoE. Santelli, AlessandraT. Rangel

Journal:

Analytical and Bioanalytical Chemistry

Year:

2004

Language:

english

File:

PDF, 315 KB

english, 2004

29

Multivariate optimization of a microwave-assisted leaching procedure using dilute acid solutions, for FAAS determination of Cu, Fe, Mn, and Zn in multivitamin/multimineral supplements

Silvio Soriano, Annibal D. Pereira Netto, Ricardo J. Cassella

Journal:

Analytical and Bioanalytical Chemistry

Year:

2007

Language:

english

File:

PDF, 219 KB

english, 2007

30

Removal of Malachite Green from Aqueous Medium Employing Polyurethane Foam as Adsorbent and Sodium Dodecylsulfate as Carrier

Breno Tenório Leite, Nicolle Figueira Robaina, Luis Gustavo Teixeira dos Reis, Annibal Duarte Pereira Netto, Ricardo Jorgensen Cassella

Journal:

Water, Air & Soil Pollution

Year:

2012

Language:

english

File:

PDF, 369 KB

english, 2012

31

Multivariate optimization of the determination of zinc in diesel oil employing a novel extraction strategy based on emulsion breaking

Ricardo J. Cassella, Daniel M. Brum, Claudio F. Lima, Luiz Fernando S. Caldas, Carlos Eduardo R. de Paula

Journal:

Analytica Chimica Acta

Year:

2011

Language:

english

File:

PDF, 534 KB

english, 2011

32

Selenium determination by electrothermal atomic absorption spectrometry in petroleum refinery aqueous streams containing volatile organic compounds

Ricardo J Cassella, Otoniel D de Sant'Ana, Alessandra T Rangel, Maria de Fátima B de Carvalho, Ricardo E Santelli

Journal:

Microchemical Journal

Year:

2002

Language:

english

File:

PDF, 101 KB

english, 2002

33

Flow injection spectrophotometric determination of copper in petroleum refinery wastewaters

Ricardo J. Cassella

Journal:

Microchemical Journal

Year:

2002

Language:

english

File:

PDF, 132 KB

english, 2002

34

Development of an ultrasonic slurry sampling method for the determination of Cu and Mn in antibiotic tablets by electrothermal atomic absorption spectrometry

Carlos Eduardo R. de Paula, Luiz Fernando S. Caldas, Daniel M. Brum, Ricardo J. Cassella

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2012

Language:

english

File:

PDF, 392 KB

english, 2012

35

Rapid on-line sample dissolution assisted by focused microwave radiation for silicate analysis employing flame atomic absorption spectrometry: iron determination

Maria Cristina B Quaresma, Ricardo J Cassella, Miguel de la Guardia, Ricardo E Santelli

Journal:

Year:

2004

Language:

english

File:

PDF, 71 KB

english, 2004

36

Synthesis and application of a functionalized resin for flow injection/F AAS copper determination in waters

Ricardo J. Cassella, Otto I.B. Magalhães, Marcos Tadeu Couto, Edson Luiz S. Lima, Marcia Angélica F.S. Neves, Fernanda Margarida B. Coutinho

Journal:

Year:

2005

Language:

english

File:

PDF, 292 KB

english, 2005

37

Multivariate technique for optimization of digestion procedure by focussed microwave system for determination of Mn, Zn and Fe in food samples using FAAS

Ricardo Erthal Santelli, Marcos de Almeida Bezerra, Otoniel Domingos de SantAna, Ricardo Jorgensen Cassella, Sérgio Luis Costa Ferreira

Journal:

Year:

2006

Language:

english

File:

PDF, 127 KB

english, 2006

38

Direct determination of vanadium in high saline produced waters from offshore petroleum exploration by electrothermal atomic absorption spectrometry

Ricardo J. Cassella, Eliane P. Oliveira, Otto I.B. Magalhães

Journal:

Year:

2006

Language:

english

File:

PDF, 239 KB

english, 2006

39

Development of a reversed FIA system for the spectrophotometric determination of Sb(III) and total Sb in antileishmanial drugs

Vanessa G.K. Almeida, Mônica F. Lima, Ricardo J. Cassella

Journal:

Year:

2007

Language:

english

File:

PDF, 337 KB

english, 2007

40

Multivariate optimization of a liquid–liquid extraction of the EPA-PAHs from natural contaminated waters prior to determination by liquid chromatography with fluorescence detection

Daniel Mares Brum, Ricardo J. Cassella, Annibal D. Pereira Netto

Journal:

Year:

2008

Language:

english

File:

PDF, 248 KB

english, 2008

41

Direct determination of manganese in produced waters from petroleum exploration by Electrothermal Atomic Absorption Spectrometry using Ir–W as permanent modifier

Ricardo J. Cassella, Luis Gustavo T. dos Reis, Ricardo E. Santelli, Eliane P. Oliveira

Journal:

Year:

2011

Language:

english

File:

PDF, 241 KB

english, 2011

42

Diffuse reflectance determination of Malachite Green using polyurethane foam as solid support and sodium dodecylsulfate as counter ion

Nicolle F. Robaina, Luis Gustavo T. dos Reis, Ricardo J. Cassella

Journal:

Year:

2011

Language:

english

File:

PDF, 345 KB

english, 2011

43

Application of the extraction induced by emulsion breaking for the determination of chromium and manganese in edible oils by electrothermal atomic absorption spectrometry

Nicolle F. Robaina, Daniel M. Brum, Ricardo J. Cassella

Journal:

Year:

2012

Language:

english

File:

PDF, 432 KB

english, 2012

44

Spectrophotometric determination of carbaryl by on-line elution after its preconcentration onto polyurethane foam

Ricardo Jorgensen Cassella, Salvador Garrigues, Ricardo E Santelli, Miguel de la Guardia

Journal:

Year:

2000

Language:

english

File:

PDF, 215 KB

english, 2000

45

Flow injection determination of cobalt after its sorption onto polyurethane foam loaded with 2-(2-thiazolylazo)-p-cresol (TAC)

Ricardo Jorgensen Cassella, Veronica A. Salim, Luciene S. Jesuı́no, Ricardo E. Santelli, Sérgio L.C. Ferreira, Marcelo S. de Carvalho

Journal:

Year:

2001

Language:

english

File:

PDF, 104 KB

english, 2001

46

Precipitation–dissolution system for silver preconcentration and determination by flow injection flame atomic absorption spectrometry

Otoniel D Sant'Ana, Angela L.R Wagener, Ricardo E Santelli, Ricardo J Cassella, Mercedes Gallego, Miguel Valcárcel

Journal:

Year:

2002

Language:

english

File:

PDF, 112 KB

english, 2002

47

Development of a focused ultrasound-assisted extraction method for the determination of trace concentrations of Cr and Mn in pharmaceutical formulations by ETAAS

Carlos Eduardo R. de Paula, Luiz Fernando S. Caldas, Daniel M. Brum, Ricardo J. Cassella

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2013

Language:

english

File:

PDF, 413 KB

english, 2013

48

Application of a four-variables Doehlert design for the multivariate optimization of copper determination in petroleum-derived insulating oils by GFAAS employing the dilute-and-shot approach

Luiz Fernando S. Caldas, Carlos Eduardo R. de Paula, Daniel M. Brum, Ricardo J. Cassella

Journal:

Year:

2013

Language:

english

File:

PDF, 1007 KB

english, 2013

49

Extraction induced by emulsion breaking: a novel strategy for the trace metals determination in diesel oil samples by electrothermal atomic absorption spectrometry

Cassella, Ricardo J., Brum, Daniel M., de Paula, Carlos Eduardo R., Lima, Claudio F.

Journal:

Journal of Analytical Atomic Spectrometry

Year:

2010

Language:

english

File:

PDF, 236 KB

english, 2010

50

Merging Zones FIA System for the Spectrophotometric Determination of Sb(III) and Total Sb in Drugs Used in the Treatment of Leishmaniasis

Lima, Mônica F., Almeida, Vanessa G. K., Cassella, Ricardo J.

Journal:

Spectroscopy Letters

Year:

2006

Language:

english

File:

PDF, 193 KB

english, 2006

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