ISO 13909-7:2016
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ISO 13909-7:2016
63913

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 

  •  : Published
     : 2016-07
  •  : 2
     : 43
  •  : ISO/TC 27/SC 4 Sampling
  •  :
    73.040 Coals
    75.160.10 Solid fuels

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