ASTM D1265-04

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Please contact ASTM International (www.astm.org) for the latest information.
An American National Standard
Designation: D 1265 – 04
Standard Practice for
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Sampling Liquefied Petroleum (LP) Gases, Manual Method
This standard is issued under the fixed designation D 1265; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (ϵ) indicates an editorial change since the last revision or reapproval.
1. Scope priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
1.1 This practice covers equipment and procedures for
obtaining a representative sample of specification Liquefied
2. Referenced Documents
Petroleum Gas (LPG), such as specified in Specification
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2.1 ASTM Standards:
D 1835D 1835, GPA 2140, and comparable international stan-
D 1835 Specification for Liquefied Petroleum (LP) Gases
dards.
D 3700 Practice for Obtaining LPG Samples Using a Float-
1.2 This practice is suitable for obtaining representative
ing Piston Cylinder
samples for all routine tests for LP gases required by Specifi-
cation D 1835D 1835.
3. Terminology
1.3 This practice may also be used for other Natural Gas
3.1 Definitions:
Liquid (NGL) products that are normally single phase (NGL
3.1.1 high pressure sample cylinder—a receptacle used for
mix, field butane, etc.), defined in other industry specifications
storage and transportation of a sample obtained at pressures
or contractual agreements. It is not intended for non-
above atmospheric pressure.Also referred to as a “pressurized
specification products that contain significant quantities of
sample container” or “sample bomb.” The term “sample
undissolved gases (N,CO ), free water or other separated
2 2
bomb” is not preferred.
phases, such as raw or unprocessed gas/liquids mixtures and
3.1.2 maximum fill density (reduced fill density)—the vol-
related materials. The same equipment can be used for these
ume of a container occupied by the sample, usually expressed
purposes, but additional precautions are generally needed to
as a percentage of the total capacity. Transportation legislation
obtain representative samples of multiphase products (see
such as U.S. CFR 49, Canadian Transportation of Dangerous
Appendix A of Practice D 3700D 3700).
Goods Regulations and IATA regulations limit the percent fill
NOTE 1—Practice D 3700 describes a recommended practice for ob-
of containers used for shipping LPG, and may quote this
taining a representative sample of a light hydrocarbon fluid and the
requirement as a reduced fill density or maximum fill density
subsequent preparation of that sample for laboratory analysis when
(normally 80 % liquid fill at 15°C). Lower percent fill (lower
dissolved gases are present. Use of Practice D 1265 will result in a small
fill density) may be required if sampling at lower temperatures.
but predictable low bias for dissolved gases due to the liquid venting
procedure to establish the 20 % ullage.
4. Summary of Practice
1.4 This practice includes recommendations for the location
4.1 A liquid sample of LPG is transferred from the source
of a sample point in a line or vessel. It is the responsibility of
into a sample container by purging the container and filling it
the user to ensure that the sampling point is located so as to
with liquid, then providing 20 % outage by venting liquid, so
obtain a representative sample.
that 80 % of the liquid volume remains.
1.5
1.6 This standard does not purport to address all of the
5. Significance and Use
safety concerns, if any, associated with its use. It is the
5.1 Samples of liquefied petroleum gases are examined by
responsibility of the user of this standard to establish appro-
various test methods to determine physical and chemical
characteristics and conformance with specifications.
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This practice is under the jurisdiction ofASTM Committee D02 on Petroleum
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and Petroleum Products and is the direct responsibility of Subcommittee D02.H0 on For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Liquefied Petroleum Gas. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved May 1, 2004. Published June 2004. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 1953. Last previous edition approved in 1997 as D 1265–97. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Please contact ASTM International (www.astm.org) for the latest information.
D1265–04
FIG. 1 Typical Sample Container and Sampling Con
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