Determination of ultra low levels of mercury

Details Determination of ultra low levels of mercury Determination of ultra low levels of mercury

1993-07-02

1995-01-31

Housel, James C.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

436 81, 204418, G01N 2726, G01N 3320

Patent

active

053857089

ABSTRACT:
A highly specific and sensitive electrode for the determination of ultra-low levels of mercury and an analytical system based on such electrode. The electrode is a glassy carbon electrode spin-coated with a monolayer of a highly sensitive reagent for the detection of mercury. The analytical method based on the use of this type of electrode is a voltammetric method. Concentrations of the order of as low as about 2.10.sup.-12 Moles mercury can be detected and measured. The reagent is 4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo-[8.8.8]hexacosane.

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"Polarographic study of the interaction between . . . " Paraham et al., J. Electroanal. Chem. 314 (1991) 71-80.

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