| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 727833 | Measurement | 2009 | 8 Pages |
The results of the proficiency test program T062 organised by CNACL (China National Accreditation Committee for Laboratories) were analysed with different statistical procedures: the robust statistic procedure used by the proficiency test organisers and the UNI ISO 5725-2 [8] procedure which is a basic method for the determination of the repeatability and the reproducibility of a standard measurement method to improve the traceability in chemical analysis.The data are taken from a program of chemical analysis on a low alloy steel.The obtained results are commented; the paper aim to give elements of discussion about standard test method, uncertainty evaluations, and repeatability of test results on chemical analysis performed by chemical laboratories.
