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Third IRMF comparison of surface contamination monitor calibrations 2004 - 2005.

Collins, S M; Lee, C (2006) Third IRMF comparison of surface contamination monitor calibrations 2004 - 2005. NPL Report. DQL-RN 016

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Abstract

The Ionising Radiations Metrology Forum (IRMF) organised a third comparison of surface contamination monitor calibrations in which thirteen establishments in the UK participated. The exercise involved the circulation of two surface contamination monitors for calibration using large area reference sources available in the participants’ laboratories.
The instruments used were a Thermo Mini 900 ratemeter with EP15 probe and a Thermo Mini 900 ratemeter with 44B probe. The instrument responses were calculated by the individual participants and submitted to the authors for analysis along with details of the reference sources used. Details of the estimated uncertainties were also reported.
The results are compared and demonstrate, in most cases, reasonable agreement between the participating establishments, though no overall improvement in the results over the previous comparison exercises.

Item Type: Report/Guide (NPL Report)
NPL Report No.: DQL-RN 016
Subjects: Nanoscience
Nanoscience > Surface and Nanoanalysis
Last Modified: 02 Feb 2018 13:15
URI: http://eprintspublications.npl.co.uk/id/eprint/3517

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