# ISO 10340:1995 — Withdrawn and superseded ISO standards

For ISO 10340:1995, item title is Optics and optical instruments — Contact lenses — Method for determining the extractable substances; status code is 9599; successor is ISO 18369-4:2006; withdrawn / published date is 1995-07-27, recorded from its source on 2026-08-05.

- **Identifier:** ISO 10340:1995 _(verified: appears in the quote below)_
- **Item title:** Optics and optical instruments — Contact lenses — Method for determining the extractable substances _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 18369-4:2006
- **Withdrawn / published date:** 1995-07-27 _(verified: appears in the quote below)_

## What the source says

> 18391,IS,,ISO 10340:1995,Optics and optical instruments — Contact lenses — Method for determining the extractable substances,Optique et instruments d'optique — Lentilles de contact — Méthode pour la détermination des substances extractibles,1995-07-27,1,['11.040.70'],ISO/TC 172/SC 7,9599,,[34480],"['en','fr']",5,<p>Specifies an analytical method for the quantitative determination of the substances extractable from contact lenses by Soxhlet extraction with different solvents.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).