ISO 3451-5:1989
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ISO 3451-5:1989
8786

Тезис

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.


Общая информация 

  •  : Отозвано
     : 1989-09
  •  : 1
  •  : ISO/TC 61/SC 5 Physical-chemical properties
  •  :
    83.080.20 Thermoplastic materials

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