# ISO 4728:1992 — Withdrawn and superseded ISO standards

For ISO 4728:1992, item title is Oil of wild thyme (Thymus mastichina, Linnaeus); status code is 9599; successor is ISO 4728:2003; withdrawn / published date is 1992-02-06, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4728:1992 _(verified: appears in the quote below)_
- **Item title:** Oil of wild thyme (Thymus mastichina, Linnaeus) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4728:2003
- **Withdrawn / published date:** 1992-02-06 _(verified: appears in the quote below)_

## What the source says

> 10711,IS,,ISO 4728:1992,"Oil of wild thyme (Thymus mastichina, Linnaeus)","Huile essentielle de thym sauvage (Thymus mastichina, Linnaeus)",1992-02-06,1,['71.100.60'],ISO/TC 54,9599,,[30436],"['en','fr']",4,"<p>Specifies certain characteristics of the oil, with a view to facilitating the assessment of its quality. Refers to ISO 279, ISO 280, ISO 592, ISO 875, ISO 1272 and ISO 1202 as methods of test. Shows a typical chromatogram (Annex A).</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).