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Items: 1 to 20 of 104

1.

A multi-pumping flow-based procedure with improved sensitivity for the spectrophotometric determination of acid-dissociable cyanide in natural waters.

Frizzarin RM, Rocha FR.

Anal Chim Acta. 2013 Jan 3;758:108-13. doi: 10.1016/j.aca.2012.10.059. Epub 2012 Nov 9.

PMID:
23245902
2.

A green flow-based procedure for fluorimetric determination of acid-dissociable cyanide in natural waters exploiting multicommutation.

Infante CM, Masini JC, Rocha FR.

Anal Bioanal Chem. 2008 Aug;391(8):2931-6. doi: 10.1007/s00216-008-2206-6. Epub 2008 Jun 13.

PMID:
18551284
3.

A greener and highly sensitive flow-based procedure for carbaryl determination exploiting long pathlength spectrophotometry and photochemical waste degradation.

Melchert WR, Rocha FR.

Talanta. 2010 Apr 15;81(1-2):327-33. doi: 10.1016/j.talanta.2009.12.005. Epub 2009 Dec 16.

PMID:
20188927
4.

An improved flow system for chloride determination in natural waters exploiting solid-phase reactor and long pathlength spectrophotometry.

Bonifácio VG, Figueiredo-Filho LC, Marcolino LH Jr, Fatibello-Filho O.

Talanta. 2007 Apr 30;72(2):663-7. doi: 10.1016/j.talanta.2006.11.036. Epub 2006 Dec 22.

PMID:
19071670
5.

An improved flow system for phenols determination exploiting multicommutation and long pathlength spectrophotometry.

Lupetti KO, Rocha FR, Fatibello-Filho O.

Talanta. 2004 Feb 27;62(3):463-7. doi: 10.1016/j.talanta.2003.08.018.

PMID:
18969319
6.

A multicommuted flow system with solenoid micro-pumps for paraquat determination in natural waters.

Infante CM, Morales-Rubio A, de la Guardia M, Rocha FR.

Talanta. 2008 Jun 15;75(5):1376-81. doi: 10.1016/j.talanta.2008.01.050. Epub 2008 Feb 2.

PMID:
18585227
7.

An improved procedure for flow-based turbidimetric sulphate determination based on a liquid core waveguide and pulsed flows.

Melchert WR, Rocha FR.

Anal Chim Acta. 2008 May 26;616(1):56-62. doi: 10.1016/j.aca.2008.04.014. Epub 2008 Apr 11.

PMID:
18471484
8.

Improved spectrophotometric determination of paraquat in drinking waters exploiting a Multisyringe liquid core waveguide system.

Maya F, Estela JM, Cerdà V.

Talanta. 2011 Jul 15;85(1):588-95. doi: 10.1016/j.talanta.2011.04.022. Epub 2011 Apr 16.

PMID:
21645746
9.

An improved approach for flow-based cloud point extraction.

Frizzarin RM, Rocha FR.

Anal Chim Acta. 2014 Apr 11;820:69-75. doi: 10.1016/j.aca.2014.02.035. Epub 2014 Feb 26.

PMID:
24745739
10.

Proposed flow system for spectrophotometric determination of fluoride in natural waters.

Marques TL, Coelho NM.

Talanta. 2013 Feb 15;105:69-74. doi: 10.1016/j.talanta.2012.11.071. Epub 2012 Dec 2.

11.

Spectrophotometric determination of zinc and copper in a multi-syringe flow injection analysis system using a liquid waveguide capillary cell: application to natural waters.

Páscoa RN, Tóth IV, Rangel AO.

Talanta. 2011 Jun 15;84(5):1267-72. doi: 10.1016/j.talanta.2011.01.023. Epub 2011 Jan 19.

PMID:
21641436
12.

A sensitive flow-based procedure for spectrophotometric speciation analysis of inorganic bromine in waters.

Rocha DL, Machado MC, Melchert WR.

Talanta. 2014 Nov;129:93-9. doi: 10.1016/j.talanta.2014.05.013. Epub 2014 May 16.

PMID:
25127569
13.

A green analytical procedure for flow-injection determination of nitrate in natural waters.

Melchert WR, Rocha FR.

Talanta. 2005 Jan 30;65(2):461-5. doi: 10.1016/j.talanta.2004.06.022.

PMID:
18969820
14.

Multi-pumping flow system for the spectrophotometric determination of dipyrone in pharmaceutical preparations.

Lima JL, Oliveira Sá SM, Santos JL, Zagatto EA.

J Pharm Biomed Anal. 2003 Aug 8;32(4-5):1011-7.

PMID:
12899988
15.

A flow injection procedure based on solenoid micro-pumps for spectrophotometric determination of free glycerol in biodiesel.

Silva SG, Rocha FR.

Talanta. 2010 Dec 15;83(2):559-64. doi: 10.1016/j.talanta.2010.09.061. Epub 2010 Oct 8.

PMID:
21111174
16.

Flow injection analysis of nanomolar silicate using long pathlength absorbance spectroscopy.

Ma J, Byrne RH.

Talanta. 2012 Jan 15;88:484-9. doi: 10.1016/j.talanta.2011.11.019. Epub 2011 Nov 9.

PMID:
22265530
17.

Liquid-liquid microextraction in a multicommuted flow system for direct spectrophotometric determination of iodine value in biodiesel.

Pereira AC, Rocha FR.

Anal Chim Acta. 2014 Jun 4;829:28-32. doi: 10.1016/j.aca.2014.04.049. Epub 2014 Apr 28.

PMID:
24856399
18.

Automated analysis of nanomolar concentrations of phosphate in natural waters with liquid waveguide.

Zhang JZ, Chi J.

Environ Sci Technol. 2002 Mar 1;36(5):1048-53.

PMID:
11917990
19.

An air carrier flow system for the spectrophotometric determination of water in biodiesel exploiting bleaching of the cobalt chloride complex.

Pereira AC, Reis BF, Rocha FR.

Talanta. 2015 Jan;131:21-5. doi: 10.1016/j.talanta.2014.07.049. Epub 2014 Jul 27.

20.

Multisyringe flow injection analysis hyphenated with liquid core waveguides for the development of cleaner spectroscopic analytical methods: improved determination of chloride in waters.

Maya F, Estela JM, Cerdà V.

Anal Bioanal Chem. 2009 Jul;394(6):1577-83. doi: 10.1007/s00216-009-2745-5. Epub 2009 Mar 24.

PMID:
19308359

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