Resumen
Specifies a method for the determination of the ash unplasticized cellulose acetate, free of additives, fillers, dyes or other materials, which may affect the result. -Ignition of a test portion and calcination in a muffle furnace maintained at 575 C or 850 C (as agreed). Higher temperatures such as 850 C will convert carbonates to the oxides and thus give lower values. The general instructions in ISO 3451/1 shall be followed.
Informaciones generales
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Estado: PublicadoFecha de publicación: 1984-05Etapa: Norma Internacional confirmada [90.93]
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Edición: 1Número de páginas: 2
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Comité Técnico :ISO/TC 61/SC 5ICS :83.080.20
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Ciclo de vida
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Anteriormente
RetiradaISO/R 872:1968
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Ahora