A novel non-ionic nanoaggregate sensitized salt induced cloud point extraction of anionic beryllium-chrome azurol S for spectrophotometric determination of beryllium in environmental waters

Naik, 1994, Applications of beryllium and its alloys, Miner. Process. Extr. Metall. Rev., 13, 243, 10.1080/08827509408914113 Burguera, 2000, Determination of beryllium in natural and waste waters using on-line flow-injection preconcentration by precipitation, dissolution for electrothermal atomic absorption spectrometry, Talanta, 52, 27, 10.1016/S0039-9140(99)00337-9 Luckey, 1977, 43 Tazoe, 2014, Determination of picomolar beryllium levels in seawater with inductively coupled plasma mass spectrometry following silica-gel preconcentration, Anal. Chim. Acta, 852, 74, 10.1016/j.aca.2014.09.015 Wolf, 1972, Determination of chromium and beryllium at the picogram level by gas chromatography-mass spectrometry, Anal. Chem., 44, 616, 10.1021/ac60311a044 Afkhami, 2001, Solid phase extraction flame atomic absorption spectrometric determination of ultra-trace beryllium, Anal. Chim. Acta, 437, 17, 10.1016/S0003-2670(01)00971-0 Lagas, 1978, Determination of beryllium, barium, vanadium and some other elements in water by atomic absorption spectrometry with electrothermal atolmization, Anal. Chim. Acta, 98, 261, 10.1016/S0003-2670(01)84054-X Burguera, 2000, Determination of beryllium in natural and waste waters using on-line flow-injection preconcentration by precipitation, dissolution for electrothermal atomic absorption spectrometry, Talanta, 52, 27, 10.1016/S0039-9140(99)00337-9 Okutani, 1993, Determination of a trace amount of beryllium in water samples by graphite furnace atomic absorption spectrometry after preconcentration and separation as a beryllium-acetylacetonate complex on activated carbon, Anal. Chem., 65, 1273, 10.1021/ac00057a026 Beiraghi, 2008, Separation and preconcentration of ultra trace amounts of beryllium in water samples using mixed micelle-mediated extraction and determination by inductively coupled plasma-atomic emission spectrometry, Analytica Chimica Acta, 607, 183, 10.1016/j.aca.2007.11.028 Fouad, 2016, Development of spectrophotometric determination of beryllium in beryl minerals using chrome Azurol S, Arabian J. Chem., 9, S235, 10.1016/j.arabjc.2011.03.012 Beiraghi, 2007, Spectrophotometric determination of trace amounts of beryllium using 1,8-dihydroxyanthrone as a new chromogenic reagent, JICS, 4, 459, 10.1007/BF03247233 Petidier, 1985, Fluorimetric determination of beryllium with pyridoxal-5-phosphate, Talanta, 32, 27, 10.1016/0039-9140(85)80118-1 Evtimova, 1973, Spectrophotometric determination of indium and gallium with chrome azurol s and cetyltrimethylammonium bromide, Anal. Chim. Acta, 67, 107, 10.1016/S0003-2670(01)80237-3 Mulwani, 1977, Spectrophotometric determination of beryllium in air by a sensitised Chrome Azurol S reaction, Analyst, 102, 137, 10.1039/an9770200137 Xing-chu, 1992, Spectrophotometric determination of micro amounts of beryllium in waste water with chromeazurol S (CAS) and cetylpyridinium chloride (CPC) after separation by dynamic adsorption on activated carbon, Fresenius J. Anal. Chem., 342, 172, 10.1007/BF00321716 Nishida, 1991, Spectrophotometric Determination of Beryllium with Chromazurol S and Zephiramine, Anal. Sci., 7, 975, 10.2116/analsci.7.975 Callahan, 1984, Mechanism of surfactant-induced changes in the visible spectrometry of metal-Chrome Azurol S complexes, Anal. Chem., 56, 1632, 10.1021/ac00273a022 Afkhami, 2007, Spectrophotometric determination of beryllium in water samples after micelle-mediated extraction preconcentration, Talanta, 71, 1103, 10.1016/j.talanta.2006.06.004 Bahrama, 2007, Micelle-mediated extraction for simultaneous spectrophotometric determination of aluminum and beryllium using mean centering of ratio spectra, Talanta, 72, 408, 10.1016/j.talanta.2006.10.047 Beiraghi, 2007, Ali Reza Zarei, Saeed Babaee, Cloud-point formation based on mixed micelles for the extraction, preconcentration and spectrophotometric determination of trace amounts of beryllium in water samples, Anal. Sci., 23, 527, 10.2116/analsci.23.527 Lenka, 2012, Cloud point extraction for preconcentration of trace beryllium and chromium in water samples prior to electrothermal atomic absorption spectrometry, Anal. Methods, 4, 4042, 10.1039/c2ay25831e Callahan, 1982, Salt effects on the surfactant-sensitized spectrophotometric determination of beryllium with chrome azurols, Anal. Chem., 54, 59, 10.1021/ac00238a019