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1. Microchemical Journal, Volume 85, Issue 1, January 2007, Pages 103-108
Speciation of hexavalent chromium in waters by liquid–liquid extraction and GFAAS determination
Áron Béni, Roland Karosi, József Posta
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http://dx.doi.org/10.1016/j.microc.2006.05.004Ultrasound-assisted cloud point extraction for speciation and indirect spectrophotometric determination of chromium(III) and (VI) in water samples
Mahdi Hashemi, Seyed Mosayeb Daryanavard
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http://dx.doi.org/10.1016/j.saa.2012.02.0733. Analytical Methods, 2012,4, 1401-1414
A dispersive liquid–liquid microextraction procedure for UV-Vis spectrophotometric determination of chromium(VI) in water samples
Michal Alexovič, Ioseph S. Balogh, Jana Škrlíková and Vasil Andruch
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http://dx.doi.org/10.1039/C2AY25133G