A new volumetric method for the determination of molybdenum(VI)
作者： G. Gopala Rao , M. Suryanarayana
DOI: 10.1007/BF00457204
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摘要: A new volumetric method has been developed for the determination of molybdenum(VI). The consists in reduction molybdenum(VI) by heating with a slight excess hydrazine sulphate 1 to 2 M hydrochloric acid medium ten minutes on water bath. mixture is cooled and molybdenum(V) obtained determined titration standard solution ceric at an overall acidity 4 N acid, using diphenyl benzidine as indicator adding 5 ml syrupy phosphoric 50 mixture. Alternately can be titrated 3 ferroin also sodium vanadate 8 sulphuric medium, N-phenyl anthranilic indicator. Alternately, made 1.0 oxalic catalyse action. now proposed much more convenient than methods currently available. It simple because it does not require any costly chemicals or complicated apparatus. Furthermore, advantages great rapidity excellent precision.
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