Analytical Chemistry of MolybdenumThe importance of molybdenum, in industry, in life processes, etc., necessitates ac curate and precise analytical methods to determine its presence and its concentra tion in a variety of samples. With different samples molybdenum is present, as a major constituent, as a minor constituent, as one of several alloying components, as a trace element, and possibly in different oxidation states. The analyst is required to develop more selective and sensitive procedures for determining molyb denum in any sample type and new and improved methods for molybdenum are appearing in the literature at an ever increasing rate. It is the purpose of this work to summarize presently available methods for deter mining molybdenum. It proceeds in two parts. The first discusses procedures by tech nique, precipitation, colorimetry, electrochemistry, etc. The second discusses molyb denum in specific materials, alloys, biological, environmental, etc. In this latter por tion emphasis is placed upon sample treatment to obtain a working solution which can then be processed by the most expedient of the techniques discussed earlier. |
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Common terms and phrases
8-hydroxyquinoline a-benzoinoxime absorbance Abstr acetate acid solution Acta Add 10 mL additional agents Akad aliquot ammonium amount of molybdenum Anal Analyst London aqueous atomic absorption beaker boil Bunseki Kagaku Busev Chem Chim chromatography colorimetry complex Cool crucible denum determination of molybdenum determining molybdenum Dilute dissolved distilled water Dowex dropwise EDTA electrode end point ferromolybdenum filter paper e.g. filtrate final volume Fresenius H₂O H₂O₂ heat heteropoly HNO3 hydrochloric acid hydrogen insoluble Inst interfere ion exchange iron(III Khim metal methyl isobutyl ketone Mikrochim mixture mL beaker mL volumetric flask Mo(V molyb molybdenum concentration molybdenum containing molybdenum present molybdenum standards molybdenum(VI MoO3 NaOH Nauk nitric acid oxide polarography precipitate procedure reagents reduced remove residue separatory funnel sodium solution contains solvent sulfide sulfuric acid Table Talanta temperature thiocyanate titration tungsten volumetric flask Wash Whatman number Zavod µg Mo µg Mo/mL
References to this book
Catalysts for Fine Chemical Synthesis, Catalysis by Polyoxometalates Ivan Kozhevnikov No preview available - 2002 |
Synthese und Strukturaufklärung neuer Heterodimetallkomplexe des Niob Robert Feuerhake Limited preview - 2004 |