Résumé
Specifies a method for determining the mass distribution of the particle sizes of diameter 50 m and more. The procedure based on mechanical sieving of the crude sample, dried at 100 °C, through woven wire sieves in an atmosphere of relative humidity not more than 50 %. Weighing of each of the separate fractions. Verification, by means of a lens or microscope, of the degree of obstruction of the sieve meshes (maximum permitted obstruction: 1 %). Has also been approved by the IUPAC.
Informations générales
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État actuel: AnnuléeDate de publication: 1974-02Stade: Annulation de la Norme internationale [95.99]
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Edition: 1Nombre de pages: 2
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Comité technique :ISO/TC 226ICS :71.100.10
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Cycle de vie
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Actuellement
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Révisée par
AnnuléeISO 2926:2005