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Activity of Oxygen in Liquid Pb-Sb Alloys Determined by a Modified Coulometric Titration Method by Shinya Otsuka; Yoshikazu Kurose; Zensaku Kozuka is a Engineering article available to read on EtoBox.

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The activity coefficients of oxygen, yo, in liquid Pb-Sb alloys have been measured at 1073K over the entire composition range and at 1173 K up to 0.05 Sb utilizing a modified coulometric titration method with the electrochemical cell : O in liquid Pb-Sb alloys/ZrO5(+CaO)/Air, Pt. The In yo -Nsn Plots reveal a strong negative deviation from ideality, with a minimum value near Nsp = 0.7. This behavior is significantly different from what is predicted by Jacob and Alcock's quasichemical equation. It was found that Wagner's equation, used with Chiang and Chang's correlation ofthe energy parameter does not give a satisfactory representation ofthe data. The interaction parameter ofantimony on oxygen, e$"), was evaluated from the data for the dilute alloy of antimony to be -5.2 at 1073 K and -4.4 at 1173 K. Sauerstoffaktivität in flüssigen Pb-Sb-Legierungen nach einer modifizierten coulometrischen Titration Der Sauerstoffaktivitätskoeffizient yo in flüssigen Pb-Sb-Legierungen wurde bei 1073 K im gesamten Konzentrationsbereich und bei 1173K bis 0.05 Sb nach einer modifizierten coulometrischen Titrationsmethode mit derZelle : O gelöst in flüssigem Pb-Sb/ZrO,(+CaO)/Luft, Pt gemessen. Die In

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Author

Shinya Otsuka; Yoshikazu Kurose; Zensaku Kozuka

Published

1984

Language

EN

Field

Engineering (Physical Sciences)