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|Title:||Catalytic-adsorptive stripping voltammetric determination of molybdenum in plant foodstuffs|
|Authors:||Gao, Z. |
|Keywords:||Adsorptive voltammetric determination|
|Source:||Gao, Z.,Siow, K.S. (1996). Catalytic-adsorptive stripping voltammetric determination of molybdenum in plant foodstuffs. Talanta 43 (5) : 719-726. ScholarBank@NUS Repository.|
|Abstract:||In acetate buffer solution (pH 3.5) containing oxine and chlorate, ultratrace amounts of molybdenum can be determined after adsorptive accumulation of the Mo(VI)-oxine complex on a hanging mercury drop electrode, coupled with the catalytic effect on the reduction of chlorate. Under optimized conditions, the catalytic-adsorptive stripping voltammetric procedure gives excellent selectivity and an extremely low detection limit of 1.7 pM molybdenum (60 s accumulation). The stripping peak current increases linearly with molybdenum concentration between 10 pM and 5.0 nM. The procedure is applied to determine traces of molybdenum in plant foodstuffs.|
|Appears in Collections:||Staff Publications|
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