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Abstract Preview

In ISO 13909-7:2016, formulae are developed which link the variables that contribute to overall sampling precision. Methods are described for estimating overall precision and for deriving values for primary increment variance which can be used to modify the sampling scheme to change the precision. Methods for checking the variance of sample preparation and testing are also described.


General information

  • Status :  Published
    Publication date : 2016-07
  • Edition : 2
    Number of pages : 43
  • Technical Committee
    :
    ISO/TC 27/SC 4
    Sampling
  • ICS :
    73.040
    Coals
    75.160.10
    Solid fuels

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