Microcells for voltammetry and stripping voltammetry.
The designs and applications of "non-flow" microcells in voltammetry and stripping voltammetry for samples with volumes from sub-microliters to 5 ml are reviewed. The analysis of microcell designs was carried out on the basis of their classification: (i) microcells with a static sample, including thin-layer microcells with a static sample; (ii) microcells with forced convection of the sample; and (iii) microcells for batch injection of samples. Two working electrode types (the usual state and inverted state) are discussed. The use of working micro- and mercury-film electrodes and of the accelerated removal of dissolved oxygen are also considered in detail.
Tur'yan
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National Physical Laboratory of Israel, Danciger "A" Bldg., The Hebrew University, Givat Ram, Jerusalem 91904, Israel.