Preparation of Very Pure Hexafluorobenzene (>99.99%) by Directional Freezing

F. David Evans; Michael Bogan; Rubin Battino

doi:10.1021/ac60257a007

Preparation of Very Pure Hexafluorobenzene (>99.99%) by Directional Freezing

F. David Evans, Michael Bogan, Rubin Battino

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

Abstract

Hexafluorobenzene of higher purity than the commercially available material was required for gas solubility measurements of a precision of ±0.3%. We considered that a final purity of greater than 99.5% would be satisfactory, Because hexafluorobenzene is costly, we felt that the yield of purified material should be at least 80%. Minimum batch quantities of 300 ml were required for our studies so that the purification procedure was designed to start with 500 ml of the commercial material.

Original language	English
Pages (from-to)	224-226
Number of pages	3
Journal	Analytical Chemistry
Volume	40
Issue number	1
DOIs	https://doi.org/10.1021/ac60257a007
State	Published - Jan 1 1968

ASJC Scopus Subject Areas

Analytical Chemistry

Disciplines

Chemistry
Physical Sciences and Mathematics

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abstract = " Hexafluorobenzene of higher purity than the commercially available material was required for gas solubility measurements of a precision of ±0.3%. We considered that a final purity of greater than 99.5% would be satisfactory, Because hexafluorobenzene is costly, we felt that the yield of purified material should be at least 80%. Minimum batch quantities of 300 ml were required for our studies so that the purification procedure was designed to start with 500 ml of the commercial material.",

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Preparation of Very Pure Hexafluorobenzene (>99.99%) by Directional Freezing

Abstract

ASJC Scopus Subject Areas

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