Resumen
The heterogeneity of distribution is characterized by the distribution variance and is determined by experimentally measuring the sampling variance. Because both the composition variance and distribution variance contribute to the measured sampling variance, it is necessary to separate these two components. Two methods of data analysis are permitted: Visman's theory of sampling which uses classical statistics and the variogram method which gives a better estimate because of taking into account serial correlation between adjacent increments.
Informaciones generales
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Estado: PublicadoFecha de publicación: 1993-08Etapa: Norma Internacional para revisar [90.92]
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Edición: 1Número de páginas: 7
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Comité Técnico :ISO/TC 79/SC 12ICS :73.060.40
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Próxima versión en desarrollo

Draft
International StandardISO/DIS 6139
Aluminium ores — Experimental determination of the heterogeneity of distribution of a lot
Reference number
ISO/DIS 6139
ISO/DIS 6139
Edition 1
© ISO 2026
Proyecto Norma internacional
ISO/DIS 6139
Aluminium ores — Experimental determination of the heterogeneity of distribution of a lot
ISO/DIS 6139
ISO/DIS 6139
90612
CHF
67
Ciclo de vida
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Ahora
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Será reemplazada por
En desarrolloISO/DIS 6139