Browsing by Author "Montel, Christian"
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- ItemSquare-wave voltammetry as a method for the quantitative in-situ determination of polyvalent elements in molten glass(Offenbach : Verlag der Deutschen Glastechnischen Gesellschaft, 1988) Montel, Christian; Rüssel, Christian; Freude, EberhardMany properties of glasses, especially the color are strongly influenced by the concentration of multivalent elements. Up to now the concentration of multivalent elements can only be determined from the solid glass by chemical or physical methods. This paper introduces a method which makes possible to determine the total concentration of the multivalent ion in-situ in the glass melt by an electrochemical method. In this paper the square-wave voltammetry is used for the quantitative determination of iron in a soda-lime-shica glass melt. The area of the test electrode can be adjusted by conductivity measurements. The Fe2O3 concentration can be detected down to a lower limit of 0.015 mol%.