BS 2637:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Method for determination of knock characteristics of motor and aviation-type fuels (motor method)
Hardcopy , PDF
03-15-1994
English
04-30-1991
Details the determination of the knock characteristics of motor and aviation gasolines used in spark ignition engines. The former are reported in terms of ASTM/P motor octane numbers. The latter in terms of aviation method octane numbers below 100 and aviation method performance numbers above 100.
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