Scope
This International Standard specifies the manual methods to be used for
obtaining samples of liquid or semiliquid hydrocarbons, tank residues and
deposits from fixed tanks, railcars, road vehicles, ships and barges, drums and
cans, or from liquids being pumped in pipelines.
It applies to the sampling
of petroleum products, crude oils and intermediate products, which are stored in
tanks at or near atmospheric pressure, or transferred by pipelines, and are
handled as liquids at temperatures from near ambient up to 200 °C.
The
sampling procedures specified are not intended for the sampling of special
petroleum products which are the subject of other International Standards, such
as electrical insulating oils (IEC 60475), liquefied petroleum gases (ISO 4257),
liquefied natural gases (ISO 8943) and gaseous natural gases (ISO
10715).
This International Standard refers to existing methods of sampling
and the type of equipment presently in use. It is, however, not intended that it
should exclude the use of new equipment not yet developed for commercial use,
provided that such equipment enables samples to be obtained in accordance with
the requirements and procedures of this International Standard.
NOTE - For the purposes of this International Standard, the term "% (m/m)" is used to represent the mass fraction.
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