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301 analytica chimica acta, 257 (1992) 301 308 elsevier science publishers b v, amsterdam determination of trace amounts of chromium(vi) in water by electrochemical methods catherine elleouet, fran ois quentel and chnstian madec ura cnrs 322, universit de bretagne occidentale, laboratoire de chimie analytique, 6 avenue victor le (3orgeu, 29287 brest cedex.). Determination of chromium in sea water by atomic absorption spectrometry. Chromium(iii) selective membrane sensors based on schiff bases as chelating ionophores. Author information (1)department of chemistry, indian institute of technology-roorkee, roorkee 247667, india. Sensitive and selective spectrofluorimetric determination of chromium(vi) in water by fluorescence enhancement. Author information (1)department of chemistry, tsinghua university, beijing 100084, pr china. A microfluidic paper-based analytical device for rapid quantification of particulate chromium. Analytica chimica acta provides a forum for the rapid publication of original research, and critical reviews dealing with all aspects of fundamental and applied modern analytical science. The journal welcomes the submission of research papers which report studies concerning the development of new and significant analytical methodologies. Read the latest articles of analytica chimica acta at sciencedirect. chromium exists in environmental water and seawater in two different oxidation states, cr(iii) and cr(vi). Thermodynamic calculations predict that in oxygenated natural waters chromium should exist almost exclusively as cr. chromium (vi) cr(vi) is a harsh environmental contaminates and has been proved to be highly toxic, carcinogenic and mutagenic. Therefore, developing an inexpensive, good selective and highly sensitive nanoprobe for the detection of cr. Bermejo-barrera preconcentration and speciation of chromium by the determination of total chromium and chromium (iii) in natural waters by flame atomic absorption spectrometry with a chelating ion-exchange flow injection system, anal.