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.
Status: WithdrawnPublication date: 1989-09
Edition: 1Number of pages: 2
Technical Committee: ISO/TC 61/SC 5 Physical-chemical properties
- ICS :
- 83.080.20 Thermoplastic materials
ISO 3451-5:1989Stage: 95.99
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