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

  • Status :  Withdrawn
    Publication date : 1989-09
  • Edition : 1
    Number of pages : 2
  • :
    ISO/TC 61/SC 5
    Physical-chemical properties
  • 83.080.20
    Thermoplastic materials

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