# ISO 5164:2005 — Withdrawn and superseded ISO standards

For ISO 5164:2005, item title is Petroleum products — Determination of knock characteristics of motor fuels — Research method; status code is 9599; successor is ISO 5164:2014; withdrawn / published date is 2005-06-10, recorded from its source on 2026-08-05.

- **Identifier:** ISO 5164:2005 _(verified: appears in the quote below)_
- **Item title:** Petroleum products — Determination of knock characteristics of motor fuels — Research method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 5164:2014
- **Withdrawn / published date:** 2005-06-10 _(verified: appears in the quote below)_

## What the source says

> 40724,IS,,ISO 5164:2005,Petroleum products — Determination of knock characteristics of motor fuels — Research method,Produits pétroliers — Détermination des caractéristiques antidétonantes des carburants pour moteurs automobile — Méthode recherche,2005-06-10,3,['75.160.20'],ISO/TC 28,9599,"[41413,11164]",[61716],"['en','fr','ru']",18,"<p>ISO 5164:2005 establishes the rating of liquid spark-ignition engine fuel in terms of an arbitrary scale of octane numbers using a standard single cylinder, four-stroke cycle, variable compression ratio, carburetted, CFR engine operated at constant speed. Research octane number (RON) provides a measure of the knock characteristics of motor fuels in automotiv

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).