Standard

ISO 3451-5:1989

Tilbaketrukket

Merknad: Denne standarden har en ny utgave: ISO 3451-5:2025

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Omfang

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.

Dokumentinformasjon

  • Standard fra ISO
  • Publisert:
  • Tilbaketrukket:
  • products.specs.Expires:
  • Utgave: 1
  • Versjon: 1
  • Varetype: IS
  • ICS 83.080.20
  • ISO TC ISO/TC 61/SC 5

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