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ÖNORM EN ISO 4264:2008-02

Заменен
Petroleum products - Calculation of cetane index of middle-distillate fuels by the four-variable equation (ISO 4264:2007)
This standard describes a procedure for the calculation of the cetane index of middle-distillate fuels from petroleum-derived sources. The calculated value is termed the "cetane index by four-variable equation". Throughout the remaining text of this standard, the term "cetane index" implies cetane index by four-variable equation. This standard is not applicable to fuels containing additives for raising the cetane number, nor to pure hydrocarbons, nor to distillate fuels derived from coal. It is applicable to fuels containing non-petroleum derivatives from tar sand and oil shale.
ICS
75.160.20 Liquid. Including gasoline, diesel, kerosene, etc. / Жидкое топливо