This international Standard specifies a method for the determination of the corrosive tendencies towards copper of petroleum products such as aviation gasoline,aviation turbine fuel,automotive gasoline,natural gasoline or other hydrocarbons having a Reid vapour pressure no greater than 124 kPa (1,24 bar),white spirits,cleaners (Stoddard) solvent,kerosene,diesel fuel,distillate heating oil,lubricating oil and certain other petroleum products.1)