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International Association of Geoanalysts'Protocol for the Certification of Geological and Environmental Reference Materials
Authors:Jean S Kane  Philip J Potts  Michael Wiedenbeck  Jean Carignan  Stephen Wilson
Institution:Robert J. Kane Associates, Inc. Brightwood, VA 22715, USA;Department of Earth Sciences, The Open University, Walton Hall, Milton Keynes MK7 6AA, UK;GeoForschungsZentrum Potsdam, Telegrafenberg C161, D14473 Potsdam, Germany;CNRS-CRPG, 15 rue Notre-Dame des Pauvres, BP 20, 54501 Vand?uvre-lès-Nancy, France;U.S. Geological Survey, P.O. Box 25046, MS 973, Denver, CO 80225, USA
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.
Keywords:protocol  certification  reference materials  International Association of Geoanalysts  ISO Guide 35
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