# ISO 1628-1:2009 — Withdrawn and superseded ISO standards

For ISO 1628-1:2009, item title is Plastics — Determination of the viscosity of polymers in dilute solution using capillary viscometers — Part 1: General principles; status code is 9599; successor is ISO 1628-1:2021; withdrawn / published date is 2009-01-28, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1628-1:2009 _(verified: appears in the quote below)_
- **Item title:** Plastics — Determination of the viscosity of polymers in dilute solution using capillary viscometers — Part 1: General principles _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 1628-1:2021
- **Withdrawn / published date:** 2009-01-28 _(verified: appears in the quote below)_

## What the source says

> 51946,IS,,ISO 1628-1:2009,Plastics — Determination of the viscosity of polymers in dilute solution using capillary viscometers — Part 1: General principles,Plastiques — Détermination de la viscosité des polymères en solution diluée à l'aide de viscosimètres à capillaires — Partie 1: Principes généraux,2009-01-28,3,['83.080.01'],ISO/TC 61/SC 5,9599,[25173],[79996],"['en','fr','ru']",16,"<p>ISO 1628-1:2009 defines the general conditions for the determination of the reduced viscosity, intrinsic viscosity and <i>K</i>‑value of organic polymers in dilute solution. It defines the standard parameters that are applied to viscosity measurement, and can be used to develop standards for measuring the v

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).