Device comprising microcell for batch injection stripping voltam

Details Device comprising microcell for batch injection stripping voltam Device comprising microcell for batch injection stripping voltam

1995-12-15

1997-06-03

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204413, 204434, 205775, 2057895, G01N 2726

Patent

active

056350430

ABSTRACT:
A device for batch injection stripping voltammetric analysis of metal traces, of very high sensitivity. This sensitivity extends down to about 0.03 to 0.3 ppb for certain metals. The microanalysis can be carried out at a high rate and in addition to the high sensitivity is characterized by accuracy and high reproducibility. One of the main features is a novel microcell with a rotating working electrode of the mercury coated graphite type.

REFERENCES:
patent: 3329599 (1967-07-01), Brewer
patent: 3421989 (1969-01-01), Haagen-Smit
patent: 3859193 (1975-01-01), Bednarski et al.
patent: 4302314 (1981-11-01), Golimowski et al.
patent: 4725339 (1988-02-01), Bindra et al.
Ruedi Eggli, "Anodic Stripping Coulometry at a Thin-Film Mercury Electrode," Analytica Chimica Acta, 91 (1977) month unavailable 129-138.
Joseph Wang et al., "Batch injection stripping voltammetry of trace metals," Analytica Chimica Acta, 259 (1992) month unavailable 123-128.

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