ISO-4259-1 › Petroleum and related products - Precision of measurement methods and results - Part 1: Determination of precision data in relation to methods of test
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Included in this current edition are the following subparts:
FOR 1ST EDITION AMENDMENT 1 SEE - Sept. 1, 2019
FOR 1ST EDITION AMENDMENT 2 SEE - Dec. 1, 2020
ISO 4259-1:2017 specifies the methodology for the design of an Interlaboratory Study (ILS) and calculation of precision estimates of a test method specified by the study. In particular, it defines the relevant statistical terms (Clause 3), the procedures to be adopted in the planning of ILS to determine the precision of a test method (Clause 4), and the method of calculating the precision from the results of such a study (Clauses 5 and 6).
The procedures in ISO 4259-1:2017 have been designed specifically for petroleum and petroleum related products, which are normally considered as homogeneous. However, the procedures described in ISO 4259-1:2017 can also be applied to other types of homogeneous products. Careful investigations are necessary before applying ISO 4259-1:2017 to products for which the assumption of homogeneity can be questioned.
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Document Number
ISO 4259-1:2017
Revision Level
1ST EDITION
Status
Current
Publication Date
Nov. 1, 2017
Committee Number
ISO/TC 28