International Standard
ISO 13909-7:2016
Hard coal and coke — Mechanical sampling — Part 7: Methods for determining the precision of sampling, sample preparation and testing
Reference number
ISO 13909-7:2016
Edición 2
2016-07
International Standard
Vista previa
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ISO 13909-7:2016
63913
No disponible en español
Publicado (Edición 2, 2016)
Esta norma se revisó y confirmó por última vez en 2022. Por lo tanto, esta versión es la actual.

ISO 13909-7:2016

ISO 13909-7:2016
63913
Formato
Idioma
CHF 173
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Resumen

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.

Informaciones generales

  •  : Publicado
     : 2016-07
    : Norma Internacional para revisar [90.92]
  •  : 2
     : 43
  • ISO/TC 27/SC 4
    73.040  75.160.10 
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