Ehdotuksen tiedot

Tunnus:FprEN ISO 4259-3
Julkaisija:CEN
Komitea:CEN/TC 19
Komitean nimi:Gaseous and liquid fuels, lubricants and related products of petroleum, synthetic and biological origin.
Lausuntokierros alkanut:2019-10-25
Lausuntopyynnön määräaika:2019-11-26
Vastuuhenkilö:virpi.nummisalo(at)sfs.fi
Ehdotuksen soveltamisala:This International Standard specifies the methodology for the regular monitoring of the test methodprecision achieved versus precision published in the standard test method using data from ProficiencyTesting Programs (PTP) supported by the regular users of standard test methods.The procedures in this International Standard are designed specifically for PTPs conducted on standardtest methods for petroleum and petroleum related products, which are presumed to be homogeneous.The procedures in this document are designed specifically for standard test methods with publishedreproducibility derived from ISO 4259-1 or equivalent (such as ASTM D6300[1]) for petroleum andpetroleum related products, which are normally considered as homogeneous.In particular, this document specifies the methodology for the statistical comparison of standarddeviation under reproducibility conditions achieved in PTP versus that published.Purpose of this comparison is to ascertain if the published reproducibility precision is representative ofthat achievable by the regular participants in the PTP.

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