# ISO 489:1999 — Withdrawn and superseded ISO standards

For ISO 489:1999, item title is Plastics — Determination of refractive index; status code is 9599; successor is ISO 489:2022; withdrawn / published date is 1999-04-22, recorded from its source on 2026-08-05.

- **Identifier:** ISO 489:1999 _(verified: appears in the quote below)_
- **Item title:** Plastics — Determination of refractive index _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 489:2022
- **Withdrawn / published date:** 1999-04-22 _(verified: appears in the quote below)_

## What the source says

> 1772,IS,,ISO 489:1999,Plastics — Determination of refractive index,Plastiques — Détermination de l'indice de réfraction,1999-04-22,2,['83.080.01'],ISO/TC 61/SC 5,9599,[4536],[81837],"['en','fr']",11,"<p>This International Standard specifies two test methods for determining the refractive index of plastics, namely:</p><p> Method A: a refractometric method for measuring the refractive index of moulded parts, cast or extruded sheet</p><p>or film, by means of a refractometer. It is applicable not only to isotropic transparent, translucent, coloured or</p><p>opaque materials but also to anisotropic materials. The method is recommended when great accuracy is</p><p>required. It is not applicable t

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).