Standard

ISO 2561:1974

Withdrawn

Note: This standard has a new edition: ISO 2561:2023

Corrigendums and amendments are bought separately.

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Abstract

The specified method is applicable both to styrene homopolymers and to butadiene modified polystyrene. It may be used also for the simultaneous determination of other volatile aromatic hydrocarbons in polystyrene. Dissolution of the polymer sample in chloroform or dichloromethane. Precipitation of the polymer by the addition of methanol and injection of a small volume of the remaining solution into a gas chromatograph with flame ionization detector and recorder. The solvent shall contain a known amount of n-butylbenzene as an internal standard for quantitative evaluation.

Document information

  • Standard from ISO
  • Published:
  • Withdrawn:
  • Edition: 1
  • Version: 1
  • Document type: IS
  • ICS 83.080.20
  • ISO TC ISO/TC 61/SC 5

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