Electrodeposition of mercury film on electrodes modified with clay minerals
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Z. Navrátilová
und
L. Vaculíková
Abstract
A new type of carbon paste electrode modified with clay mineral and covered with a mercury film is presented in this work. Electrodeposition of the mercury film was performed on the carbon paste electrode modified with montmorillonite. The mercury film was deposited by both electrodeposition in situ and a preliminary electrodeposition. The pre-deposited film of mercury showed to be suitable for anodic stripping voltammetry. An open-circuit sorption of Cd, Pb, and Cu with subsequent anodic stripping voltammetry exhibited higher current responses of metals. Besides the enhanced sensitivity superior separation of the current responses during a simultaneous stripping of metals is expected to be achieved by means of the newly prepared electrode.
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© 2006 Institute of Chemistry, Slovak Academy of Sciences
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Artikel in diesem Heft
- FTIR study of gamma-irradiated cis-1,4-polyisoprene
- Comparison of betaine and l-stachydrine as phase-transfer catalysts in Michael addition and Darzens reaction
- Synthesis and cyclization reactions with pyrazolopyrimidinyl keto esters part I. Reactivity of pyrazolopyrimidinyl β-keto ester and pyrazolopyrimidinyl α,β-unsaturated ketones
- Electrodeposition of mercury film on electrodes modified with clay minerals
- Properties of Ni-W alloy coatings on steel substrate
- Effect of chloride ions on the kinetics of nitrobenzene reduction by powdered iron
- Displacement washing of pulp with urea solutions
- Methane esterification in oleum
- Momentum transfer in an agitated vessel with off-centred impellers
- Optimal control of a two-stage reactor system
- Effect of span 20 concentration on oxalic acid production from post-refining fatty acids by Aspergillus niger XP
- Citric acid production from raw glycerol by acetate mutants of Yarrowia lipolytica
- Phosphonium ionic liquids as new, reactive extractants of lactic acid
