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0ther 100 mL volumetric 8-hydroxyquinoline a-benzoinoxime absorbance Abstr acetate Acta Add 10 mL agents aliquot ammonium amount of molybdenum Anal Analyst London aqueous atomic absorption beaker boiling Bunseki Kagaku Chem Chim colorimetry complex Cool crucible denum determination of molybdenum determining molybdenum distilled water dropwise EDTA electrode emission spectroscopy end point evaporate the sample extract ferromolybdenum filter paper e.g. filtrate final volume Fresenius gravimetry hydrochloric acid hydrogen Inst interfere ion exchange iron(III Khim measurement metal methyl isobutyl ketone Mikrochim mixture mL beaker mL volumetric flask Mo(V molyb molybdenum molybdenum concentration molybdenum containing molybdenum present molybdenum standards molybdenum(VI Na0H Nauk neutron activation nitric acid oxide polarography precipitate procedure reaction reagent reduced heteropoly remove residue separatory funnel sodium solution contains solvent stock solution sulfide sulfuric acid Table Talanta temperature thiocyanate titration tungsten ug Mo ug Mo/mL volumetric flask Wash x-ray Zavod