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Title: The density and compressibility of phosphine : the atomic weight of phosphorus
Author: Ritchie, Mowbray
Awarding Body: University of Edinburgh
Current Institution: University of Edinburgh
Date of Award: 1929
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Determinations of the density of phosphine gas were carried out at the pressures of one atmosphere, three_quarters atmosphere, one_half atmosphere, and one-quarter atmospheres The gas was prepared by the action of dilute potassium hydroxide solution on solid phosphonium iodide, and purified by fractional distillation. The value for the normal density thus obtained was and the factor for compressibility between zero and one atmosphere pressure was found to be (1 + λ ) = (pv)₀ / (pv)₁ = 1.0091 The molar weight of phosphine is then 34.00(0), and the atomic weight of phosphorus 30.97(7). The accuracy claimed is of the order of 1 in 10,000.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available