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The separation, concentration, and determination of trace elements in iron ores is described. After the sample has been dissolved, the iron is separated by liquid-liquid extraction with a liquid cation-exchanger, di-(2-ethylhexyl) phosphoric acid. The trace elements aluminium, cadmium, calcium, chromium, cobalt, copper, lead, magnesium, manganese, mercury, potassium, sodium, vanadium, and zinc are determined in the aqueous phase by atomic-absorption spectrophotometry.
Iron ores, Chemical analysis and testing, Determination of content, Chromium, Metalliferous minerals, Conglomerates, Concentrates, Sintered products, Atomic absorption spectrophotometry, Flame atomic absorption spectrometry, Specimen preparation, Calibration, Reproducibility, Precision
Iron ores, Metalliferous minerals, Chemical analysis and testing, Determination of content, Aluminium, Conglomerates, Concentrates, Sintered products, Atomic absorption spectrophotometry, Flame atomic absorption spectrometry, Specimen preparation, Testing conditions, Reproducibility, Precision
For each of these elements, information is provided on standard solutions and instrumental parameters, and literature citations and author-subject indices are appended to each of the Group sections. A glossary and extensive technical information on lamps and suppliers of accessories and standards are included in 10 appendices (given in Volume II).
Iron ores, Metalliferous minerals, Chemical analysis and testing, Determination of content, Calcium, Conglomerates, Concentrates, Sintered products, Flame photometry, Atomic absorption spectrophotometry, Reproducibility, Precision, Spectrochemical analysis