A highly sensitive and selective catalytic oscillopolarographic method for the determination of ultratrace amounts of molybdenum | Zendy

ZhiLiang Jiang | Zendy; GuoZhong Dai | Zendy

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A highly sensitive and selective catalytic oscillopolarographic method for the determination of ultratrace amounts of molybdenum

Author(s) -

ZhiLiang Jiang,

GuoZhong Dai

Publication year - 1993

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.1140050414

Subject(s) - molybdenum , chemistry , chlorate , catalysis , polarography , sulfuric acid , inorganic chemistry , reagent , nuclear chemistry , chromatography , organic chemistry

A very sensitive and selective single‐sweep oscillopolarographic method has been developed for determining trace molybdenum down to 0.06 ng/ml. In the presence of 0.040M mandelic acid‐0.10% OP emulsifier‐0.10M potassium chlorate‐1.0M sulfuric acid Mo(VI) exhibits a very sensitive and sharp polarographic catalytic adsorptive wave at −0.10 V (vs. SCE). The oscillopolarographic behavior and the influence of foreign ions were studied. Molybdenum in human hair, ore, and steel samples were analyzed by this method, and excellent results were obtained.

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