GSO ASTM D1265:2021
Gulf Standard
Current Edition
·
Approved on
01 July 2021
·
Standard Practice for Sampling Liquefied Petroleum (LP) Gases, Manual Method
GSO ASTM D1265:2021 Files
English
5 Pages
Current Edition
Reference Language
GSO ASTM D1265:2021 Scope
1.1 This practice covers equipment and procedures for
obtaining a representative sample of specification Liquefied
Petroleum Gas (LPG), such as specified in Specification
D1835, GPA 2140, and comparable international standards.
1.2 This practice is suitable for obtaining representative
samples for all routine tests for LP gases required by Specification D1835. In the event of a dispute involving sample
integrity when sampling for testing against Specification
D1835 requirements, Practice D3700 shall be used as the
referee sampling procedure.
1.3 This practice may also be used for other Natural Gas
Liquid (NGL) products that are normally single phase (NGL
mix, field butane, etc.), defined in other industry specifications
or contractual agreements. It is not intended for nonspecification products that contain significant quantities of
undissolved gases (N2, CO2), free water or other separated
phases, such as raw or unprocessed gas/liquids mixtures and
related materials. The same equipment can be used for these
purposes, but additional precautions are generally needed to
obtain representative samples of multiphase products (see
Appendix X1 on Sampling Guidelines in Practice D3700).
NOTE 1—Practice D3700 describes a recommended practice for obtaining a representative sample of a light hydrocarbon fluid and the subsequent preparation of that sample for laboratory analysis when dissolved
gases are present. Use of Practice D1265 will result in a small but
predictable low bias for dissolved gases due to the liquid venting
procedure to establish the 20 % minimum ullage.
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