Computer-aided quality assurance and certification of reference materials in the DANREF network |
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Authors: | Jesper Kristiansen Jytte Molin Christensen Lone Lillemark Svend Aage Linde Jill Merry Bente Nyeland and Ole Petersen |
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Institution: | (1) National Institute of Occupational Health, DK-2100 Copenhagen, Denmark;(2) National Food Agency of Denmark, DK-2860 Søborg, Denmark;(3) MILJØ-KEMI, Danish Environmental Center Ltd., DK-8464 Galten, Denmark;(4) Water Quality Institute, DK-2970 Hørsholm, Denmark;(5) National Environmental Research Institute, DK-4000 Roskilde, Denmark;(6) FORCE Institute, DK-2605 Brøndby, Denmark |
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Abstract: | A network between 6 Danish laboratories with experience in quality assurance and quality control has been established with the aim of supporting the use and production of high-quality certified reference materials in Denmark. One of the tasks of the network was to develop a PC-program for computer-aided quality assurance and certification of reference materials produced by the network laboratories. This paper describes the design and features of the DANREF PC-program and shows examples of computer-aided evaluation of selected studies on reference materials. The program provides the network laboratories with the possibility to carry out harmonized statistical evaluation and documentation of homogeneity, stability and intercomparison studies in accordance with international guidelines and standards, e.g. ISO guide 35. |
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