Historical
ISO 4264:1995
Petroleum products - Calculation of cetane index of middle-distillate fuels by the four-variable equation
Describes a procedure for the calculation of the cetane index of middle-destillates from petroleum by the four-variable equation. Is not applicable to fuels containing additives for raising the cetane number nor to pure hydrocarbons and distillate fuels derived from coal.
International Organization for Standardization [iso]