Direct Measurement of Infinite-Dilution Activity Coefficients from Knudsen Cell-Mass Spectrometry

William R. Martin; Michael E. Paulaitis

doi:10.1021/i160072a023

Direct Measurement of Infinite-Dilution Activity Coefficients from Knudsen Cell-Mass Spectrometry

William R. Martin, Michael E. Paulaitis

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

A new experimental technique—using Knudsen cell-mass spectrometry—is described for direct, convenient determination of infinite-dilution activity coefficients of the solute in a liquid mixture at high temperatures. Two unique features of the technique are (1) calibration of the mass spectrometer is not necessary and (2) composition measurements are not required. The utility of this experimental technique is demonstrated by determining the infinite-dilution activity coefficient for magnesium in tin at 875 °C.

Original language	English (US)
Pages (from-to)	423-425
Number of pages	3
Journal	Industrial and Engineering Chemistry Fundamentals
Volume	18
Issue number	4
DOIs	https://doi.org/10.1021/i160072a023
State	Published - Nov 1 1979
Externally published	Yes

ASJC Scopus subject areas

General Engineering

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title = "Direct Measurement of Infinite-Dilution Activity Coefficients from Knudsen Cell-Mass Spectrometry",

abstract = "A new experimental technique—using Knudsen cell-mass spectrometry—is described for direct, convenient determination of infinite-dilution activity coefficients of the solute in a liquid mixture at high temperatures. Two unique features of the technique are (1) calibration of the mass spectrometer is not necessary and (2) composition measurements are not required. The utility of this experimental technique is demonstrated by determining the infinite-dilution activity coefficient for magnesium in tin at 875 °C.",

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AU - Paulaitis, Michael E.

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N2 - A new experimental technique—using Knudsen cell-mass spectrometry—is described for direct, convenient determination of infinite-dilution activity coefficients of the solute in a liquid mixture at high temperatures. Two unique features of the technique are (1) calibration of the mass spectrometer is not necessary and (2) composition measurements are not required. The utility of this experimental technique is demonstrated by determining the infinite-dilution activity coefficient for magnesium in tin at 875 °C.

AB - A new experimental technique—using Knudsen cell-mass spectrometry—is described for direct, convenient determination of infinite-dilution activity coefficients of the solute in a liquid mixture at high temperatures. Two unique features of the technique are (1) calibration of the mass spectrometer is not necessary and (2) composition measurements are not required. The utility of this experimental technique is demonstrated by determining the infinite-dilution activity coefficient for magnesium in tin at 875 °C.

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Direct Measurement of Infinite-Dilution Activity Coefficients from Knudsen Cell-Mass Spectrometry

Abstract

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