This standard describes a method for the determination of the gauge vapour pressures of liquefied petroleum gas products at temperatures within the approximate range of 35 °C to 70 °C.
DS/EN ISO 4256:1998 history
1998DS/EN ISO 4256:1998 Liquefied petroleum gases - Determination of gauge vapour pressure - LPG method
1995DS/EN ISO 4256:1995 Liquefied petroleum gases - Determination of vapour pressure - LPG method