# ISO 6401:1985 — Withdrawn and superseded ISO standards For ISO 6401:1985, item title is Plastics — Homopolymer and copolymer resins of vinyl chloride — Determination of residual vinyl chloride monomer — Gas chromatographic method; status code is 9599; successor is ISO 6401:2008; withdrawn / published date is 1985-02-14, recorded from its source on 2026-08-05. - **Identifier:** ISO 6401:1985 _(verified: appears in the quote below)_ - **Item title:** Plastics — Homopolymer and copolymer resins of vinyl chloride — Determination of residual vinyl chloride monomer — Gas chromatographic method _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 6401:2008 - **Withdrawn / published date:** 1985-02-14 _(verified: appears in the quote below)_ ## What the source says > 12737,IS,,ISO 6401:1985,Plastics — Homopolymer and copolymer resins of vinyl chloride — Determination of residual vinyl chloride monomer — Gas chromatographic method,Plastiques — Résines d'homopolymères et de copolymères de chlorure de vinyle — Détermination du chlorure de vinyle monomère résiduel — Méthode par chromatographie en phase gazeuse,1985-02-14,1,['83.080.20'],ISO/TC 61/SC 5,9599,,[38253],"['en','fr']",4,"

Dissolution or suspension of a test portion in a suitable solvent, for example N,N-demethylacetamide, N,N-dimethylformamide, tetrahydrofurane or dichloroethane, free of any impurity with the same chromatographic retention time as vinyl chloride under the conditions of test. Det ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).