Abstract
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.
General information
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Status: WithdrawnPublication date: 1989-09Stage: Withdrawal of International Standard [95.99]
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Edition: 1Number of pages: 2
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Technical Committee :ISO/TC 61/SC 5ICS :83.080.20
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Life cycle
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Previously
WithdrawnISO 1270:1975
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Now
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Revised by
PublishedISO 3451-5:2002