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ISO 5164:2014

Petroleum products — Determination of knock characteristics of motor fuels — Research method

May 21, 2014

General information

90.93     Sep 3, 2019

ISO

ISO/TC 28

International Standard

75.160.20  

English   French   Russian  

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Published

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Scope

ISO 5164:2014 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 automotive engines under mild conditions of operation.
ISO 5164:2014 is applicable for the entire scale range from 0 RON to 120 RON, but the working range is 40 RON to 120 RON. Typical motor fuel testing is in the range of 88 RON to 101 RON.
ISO 5164:2014 is applicable for oxygenate-containing fuels containing up to 4,0 % (m/m) oxygen and for gasoline containing up to 25 % (V/V) ethanol.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 5164:2005

NOW

PUBLISHED
ISO 5164:2014
90.93 Standard confirmed
Sep 3, 2019

REVISED BY

ABANDON
ISO/PWI 5164

National adoptions

Petroleum products - Determination of knock characteristics of motor fuels - Research method (ISO 5164:2014)

60.60 Standard published

B028-2 more

Petroleum products - Determination of knock characteristics of motor fuels - Research method (ISO 5164:2014)

60.60 Standard published

B028-2 more