# ISO 5351-1:1981 — Withdrawn and superseded ISO standards

For ISO 5351-1:1981, item title is Cellulose in dilute solutions — Determination of limiting viscosity number — Part 1: Method in cupri-ethylene-diamine (CED) solution; status code is 9599; successor is ISO 5351:2004; withdrawn / published date is 1981-12-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 5351-1:1981 _(verified: appears in the quote below)_
- **Item title:** Cellulose in dilute solutions — Determination of limiting viscosity number — Part 1: Method in cupri-ethylene-diamine (CED) solution _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 5351:2004
- **Withdrawn / published date:** 1981-12-01 _(verified: appears in the quote below)_

## What the source says

> 11372,IS,,ISO 5351-1:1981,Cellulose in dilute solutions — Determination of limiting viscosity number — Part 1: Method in cupri-ethylene-diamine (CED) solution,Cellulose en solutions diluées — Détermination de l'indice de viscosité limite — Partie 1: Méthode utilisant une solution de cupri-éthylène-diamine (CED),1981-12-01,1,['85.040'],ISO/TC 6,9599,,[36605],"['en','fr']",11,"<p>Is applicable to CED-soluble samples of cellulose, e. g. in pulps and textiles. ISO 5351/2 specifies a method for the determination of the limiting viscosity number of cellulose in dilute iron(III) sodium tartrate complex (EWNNmod NaCl) solution.</p>"

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).