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Elemental mercury vapour in air: the origins of the 'Dumarey equation' describing the saturated mass concentration.

Dumarey, R*; Brown, R J C; Corns, W T*; Brown, A S; Stockwell, P B* (2010) Elemental mercury vapour in air: the origins of the 'Dumarey equation' describing the saturated mass concentration. Accred. Qual. Assur., 15 (7). pp. 409-414.

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Abstract

The Dumarey equation has been the dominant relationship used to calculate the saturated mass concentration of elemental mercury vapour in air for the calibration of measurements of mercury vapour for over 25 years. However, the origin of the equation, and the validation data supporting its accuracy have never been published. This paper addresses that deficiency, compares the Dumarey equation with other data sets to which it has been wrongly attributed in the past, and describes why it remains superior to the use of mercury vapour pressure data in combination with the ideal gas law, for the purposes of calibrating measurements of mercury vapour.

Item Type: Article
Subjects: Analytical Science
Analytical Science > Trace Analysis and Electrochemistry
Last Modified: 23 Jul 2018 13:52
URI: http://eprintspublications.npl.co.uk/id/eprint/4696

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