A new technique for collecting binary vapor‐liquid equilibrium data without measuring composition: The method of intersecting isochores

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Abstract
The Burnett coupled isochoric PVT experiment possesses many advantages for determining volumetric properties. In this study, we suggest that it also provides an excellent vehicle for determining VLE data. Incorporating a magnetic densimeter into the apparatus encompasses a VLE experiment in which the phases are not sampled to determine composition. Material balances allow composition calculation; the Gibbs‐Duhem equation is not necessary and thus remains available for consistency checks.