Resumen
Specifies two methods for the determination of the ash of poly(vinylchloride): method A: direct calcination at 850 grade Celsius until constant mass is reached, and method B sulfated ash with sulfuric acid treatment after combustion and final heating of the residue until constant mass is reached. Method B is recommended if lead compounds are present. The general procedures given in ISO 34511 shall be followed.
Informaciones generales
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Estado: RetiradaFecha de publicación: 1989-09Etapa: Retirada de la Norma Internacional [95.99]
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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 1270:1975
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Ahora
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Revisada por
PublicadoISO 3451-5:2002