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A novel fused-silica capillary dropping mercury electrode with long drop-time and its application on determination of critical micelle concentration

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F11%3A33117300" target="_blank" >RIV/61989592:15310/11:33117300 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.talanta.2010.12.050" target="_blank" >http://dx.doi.org/10.1016/j.talanta.2010.12.050</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.talanta.2010.12.050" target="_blank" >10.1016/j.talanta.2010.12.050</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    A novel fused-silica capillary dropping mercury electrode with long drop-time and its application on determination of critical micelle concentration

  • Original language description

    A novel long drop time mercury electrode has been constructed from common fused-silica capillary (50um I.D., 360um E.D.). Proposed device provides reproducible mercury drops with typical lifetime 40-120 s. The electrode was used for a set of electrocapillary measurements aimed at determination of critical micelle concentration of anionic surfactants by a convection controlled drop-time technique. A critical micelle concentration of sodium dodecyl sulfate 5.6+-0.4mmolL?1 and 4.3+-0.4mmolL?1 were obtainedin 1mmolL?1 and 5mmolL?1 phosphate buffer (pH 7.0), respectively. The values were comparable to those obtained from conductometric measurements under the same conditions (7.0+-0.1mmolL?1 and 5.2+-0.1mmolL?1, respectively) and the difference was explained in accordance with theory of hemi-micelle formation.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CB - Analytical chemistry, separation

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2011

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Talanta

  • ISSN

    0039-9140

  • e-ISSN

  • Volume of the periodical

    84

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    5

  • Pages from-to

    187-191

  • UT code for WoS article

    000288342400030

  • EID of the result in the Scopus database