Fourth derivative spectrophotometric determination of fungicide ziram (zinc(II) dimethyldithiocarbamate) in commercial samples and wheat grains

A procedure has been developed for the direct fourth derivative spectrophotometric determination of zinc(II) dimethyldithiocarbamate by converting it into its copper(II) dimethyldithiocarbamate complex, which is then dissolved in Triton X-100. Beer's law is obeyed over the concentration range 0...

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Bibliographic Details
Published in:International journal of environmental analytical chemistry 2004-12, Vol.84 (14-15), p.1105-1110
Main Authors: Sharma, Vaneet K., Aulakh, Jatinder S., Bansal, Sonam, Malik †, Ashok K., Mahajan, Rakesh K.
Format: Article
Language:English
Subjects:
Commercial samples
Copper(II) sulphate
Derivative spectrophotometry
Triticum aestivum
Ziram
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Summary:A procedure has been developed for the direct fourth derivative spectrophotometric determination of zinc(II) dimethyldithiocarbamate by converting it into its copper(II) dimethyldithiocarbamate complex, which is then dissolved in Triton X-100. Beer's law is obeyed over the concentration range 0.5-30 µg/mL in the final solution. Various parameters such as the effect of pH and the interference of a number of ions on the determination of Ziram have been studied in detail. The method is sensitive and can be used for the determination of Ziram in commercial samples like Zirax and Ziron containing Ziram and from wheat grains.
ISSN:0306-7319
1029-0397
DOI:10.1080/03067310412331315601