International Association of Geoanalysts: Protocol for the certification of geological and environmental reference materials

Kane, Jean S.; Potts, P.J.; Wiedenbeck, Michael; Carignan, Jean and Wilson, Stephen (2003). International Association of Geoanalysts: Protocol for the certification of geological and environmental reference materials. Geostandards Newsletter: The Journal of Geostandards and Geoanalysis, 27(3) pp. 227–244.

URL: http://www.crpg.cnrs-nancy.fr/Geostandards/GGR_abs...

Abstract

This protocol has been developed by the International Association of Geoanalysts to demonstrate procedures for the certification of geological and environmental reference materials to comply to the fullest extent possible with recommendations of the International Organisation for Standardisation (ISO Guide 35). A practical approach is described on the assumption that certifications will be normally be based on collaborative analysis programmes in which participating laboratories are preselected on the basis of performance in a proficiency testing programme or on the basis of other criteria of merit.

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