METHOD FOR EXTRACTION-PHOTOMETRIC DETERMINATION OF MOLYBDENUM IN PETROL

摘要

A method for extraction-photometric determination of molybdenum in petrol includes extraction removal of metal from petrol to water phase with solution of lime chloride. One carries out photometric determination of molybdenum as a complex with thiocyanate-ions and isoamyl alcohol in extract, to obtain that one solution of sodium hypochlorite with concentration of active chlorine 1.0-1.5 mol/dmand hydrochloric acid with concentration 2.0-2.5 mol/dmis used, at ratio of water and organic phases 2:1 and extraction time during 4 minutes.