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ISO 5165 Petroleum products - Determination of the ignition quality of diesel fu
ISO 5165 Petroleum products - Determination of the ignition quality of diesel fuels - Cetane engine method7 Sampling and sample preparationSamples shall be collected in accordance with ISO 3170, ISO 3171 or an equivalent national standard.To minimize exposure to UV emissions, collect and store samples ...
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ISO 5165 Petroleum products - Determination of the ignition quality of diesel fu
ISO 5165 Petroleum products - Determination of the ignition quality of diesel fuels - Cetane engine method5 Reagents and reference materials5.1 Cylinder jacket coolant, water conforming to grade 3 of ISO 3696. Water shall be used in the cylinder jacket for laboratory locations where the resultant boiling ...
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ISO 5165 Petroleum products - Determination of the ignition quality of diesel fu
ISO 5165 Petroleum products - Determination of the ignition quality of diesel fuels - Cetane engine methodWARNING - The use of this International Standard may involve hazardous materials, operations and equipment. This International Standard does not purport to address all of the safety problems associated ...
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ISO 4259 Petroleum products - Determination and application of precision data in
ISO 4259 Petroleum products - Determination and application of precision data in relation to methods of test10 Dispute procedure10.1 If it is not possible for the supplier and the recipient to reach agreement about the quality of the product on the basis of their existing results, then the procedures ...
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ISO 4259 Petroleum products - Determination and application of precision data in
ISO 4259 Petroleum products - Determination and application of precision data in relation to methods of test9 Quality control against specifications9.1 GeneralClause 9 provides general information to allow the supplier or the recipient to judge the quality of a product with regard to the specification ...
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ISO 4259 Petroleum products - Determination and application of precision data in
ISO 4259 Petroleum products - Determination and application of precision data in relation to methods of test8 Specifications8.1 Aim of specificationsThe purpose of a specification is to fix a limit or limits to the true value of the property considered. In practice, however, this true value can never ...
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ISO 4259 Petroleum products - Determination and application of precision data in
ISO 4259 Petroleum products - Determination and application of precision data in relation to methods of test7 Significance of repeatability (r) and reproducibility (R)7.1 GeneralThe value of these quantities is estimated from analysis of variance (two-factor with replication) performed on the results ...
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ISO 4259 Petroleum products - Determination and application of precision data in
ISO 4259 Petroleum products - Determination and application of precision data in relation to methods of test6 Analysis of variance, calculation and expression of precision estimates6.1 GeneralAfter the data have been inspected for uniformity, a transformation has been performed if necessary, and any ...
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ISO 4259 Petroleum products - Determination and application of precision data in
ISO 4259 Petroleum products - Determination and application of precision data in relation to methods of test5 Inspection of inter-laboratory results for uniformity and for outliers5.1 GeneralIn 5.2 to 5.7, procedures are specified for examining the results reported in a statistically designed inter-laboratory ...
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ISO 4259 Petroleum products - Determination and application of precision data in
ISO 4259 Petroleum products - Determination and application of precision data in relation to methods of test4 Stages in the planning of an inter-laboratory test programme for the determination of the precision of a test method4.1 GeneralThe stages in planning an inter-laboratory test programme are as ...
