D4916

ASTM Standard
D4916 Practice for Mechanical Auger Sampling (Withdrawn 2008)

ASTM D121-09a Standard Terminology of Coal and Coke. 2014.

Look at other dictionaries:

  • auger increment — n the retained portion of one extraction operation of the auger. D4916 …   Coke&Coal Terminology

  • error — difference of an observation from the best obtainable estimate of the true value. D2234/D2234M; D4916 …   Coke&Coal Terminology

  • increment — n a small portion of a lot collected by one operation of a sampling device and normally combined with other increments from the lot to make a gross sample. D2234/D2234M; D4916 …   Coke&Coal Terminology

  • random spacing 2 — n in which the increments are spaced at random in time or in position over the lot. D4916 …   Coke&Coal Terminology

  • representative sample — n a sample collected in such a manner that every particle in the lot to be sampled is equally represented in the gross or divided sample. D2013; D2234/D2234M; D4916 …   Coke&Coal Terminology

  • sample division — n the process whereby a sample is reduced in weight without change in particle size. D2013; D2234/D2234M; D4916 …   Coke&Coal Terminology

  • significant loss — n any loss that introduces a bias in final results that is of appreciable economic importance to the concerned parties. D2013; D2234/D2234M; D4916 …   Coke&Coal Terminology

  • size consist — n the particle size distribution of a coal. D2013; D2234/D2234M; D4916 …   Coke&Coal Terminology

  • subsample — n a sample taken from another sample. D2013; D2234/D2234M; D4916 …   Coke&Coal Terminology

  • topsize — n the opening of the smallest screen in the series upon which is retained less than 5 % of the sample (see Test Method D4749). D2013; D2234/D2234M; D4916 …   Coke&Coal Terminology

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