ASTM F307-13
(Practice)Standard Practice for Sampling Pressurized Gas for Gas Analysis
Standard Practice for Sampling Pressurized Gas for Gas Analysis
ABSTRACT
This practice describes the procedure for obtaining a sample of pressurized gas for gas analysis from a system or component. A sample pressure vessel shall be evacuated and sealed with a minimum vacuum pressure. The vessel shall then be attached to the designated pressurized sample port. The pressurized gas is allowed to enter the sample vessel until the pressure is equal to the pressure of the system or component. The pressure shall be secured and the sample vessel assigned for appropriate analysis. The apparatus shall consist of connecting lines, miscellaneous fittings, tie-downs, and a gas sample vessel.
SCOPE
1.1 This practice describes procedures for obtaining a sample of pressurized gas for gas analysis from a system or component.
1.2 The values stated in SI units are to be regarded as the standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For hazard statement, see Section 6.
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Designation: F307 − 13
Standard Practice for
1
Sampling Pressurized Gas for Gas Analysis
ThisstandardisissuedunderthefixeddesignationF307;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope designated pressurized sample port. The pressurized gas is
allowed to enter the sample vessel until the pressure is equal to
1.1 This practice describes procedures for obtaining a
the pressure of the system or component. The pressure is
sample of pressurized gas for gas analysis from a system or
secured and the sample vessel assigned for appropriate analy-
component.
sis.
1.2 The values stated in SI units are to be regarded as the
4.2 Purged Sample Vessel Procedure—The pressurized gas
standard.
sample port is opened to establish a low level purge.Asample
1.3 This standard does not purport to address all of the
vessel with valves opened at each end is attached to the
safety concerns, if any, associated with its use. It is the
pressurized sample port.The pressurized sample port is opened
responsibility of the user of this standard to establish appro-
and the purge pressure is increased to completely purge the
priate safety and health practices and determine the applica-
vessel prior to sample capture. The vessel valves and sample
bility of regulatory limitations prior to use. For hazard
port valves are then closed and the sample vessel delivered for
statement, see Section 6.
analysis.
2. Referenced Documents
5. Apparatus
2
2.1 ASTM Standards:
NOTE 1—All apparatus used in the sample taking should be verified as
F310 Practice for Sampling Cryogenic Aerospace Fluids
cleaned and packaged within the requirements of the allowable contami-
nation of the system.
G93 Practice for Cleaning Methods and Cleanliness Levels
for Material and Equipment Used in Oxygen-Enriched
5.1 Connecting Lines, rigid or flexible, pressure rated and
Environments
identified within recognized safety codes.
5.2 Miscellaneous Fittings, as needed for sampling point
3. Terminology
adaption.
3.1 Definitions:
3.1.1 sample port—the designated point in a system or 5.3 Tie-downs, suitable for sample line restraint in accord
with pressure, temperature, and recognized safety codes.
component from which a representative gas sample may be
taken.
5.4 Gas Sample Vessel, rated for the appropriate maximum
and minimum pressure for the gas analysis method to be used.
4. Summary of Practice
This vessel should have valves at inlet and outlet to enable
4.1 Evacuated Sample Vessel Procedure—A sample pres-
lockup of vacuum or pressure. (See Fig. 1.)
sure vessel is evacuated and sealed with a minimum vacuum
-3 NOTE 2—The gas sample vessel capacity is selected in accord with
pressure of 10 torr. The vessel is then attached to the
desired sample volume. For evacuated vessel sampling, a recommended
3
8-L(500-in ) volume has been determined adequate to aerospace industry.
Evacuated sample vessels should be helium leak tested prior to use.
1
This practice is under the jurisdiction of ASTM Committee E21 on Space
Simulation andApplications of Space Technology and is the direct responsibility of
6. Safety Hazards
Subcommittee E21.05 on Contamination. ASTM Committee D02 on Petroleum
Products and Lubricants maintains a continued interest in this practice and will
6.1 Personnel must stand clear of exiting gas.
make use of it in the future.
CurrenteditionapprovedJune1,2013.PublishedJuly2013.Originallyapproved
6.2 Ear protection must be used when gas flow approaches
in 1966. Last previous edition approved in 2007 as F307 – 02(2007). DOI:
sonic velocity.
10.1520/F0307-13.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
6.3 All lines and associated equipment must be connected
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
and operated within the requirements of recognized safety
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. codes.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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F307 − 13
7.9 Reduce system pressure to minimum purge and discon-
nect sample line from sample vessel.
7.10 Disconnect sample line from sample port and secure
system.
FIG. 1 Gas Sample Vessel
7.11 Identify sample vessel and contents to required safety
codes and analysis procedure.
6.4 Access to the sampling area should be restricted to
7.12 Deliver sample vessel to analysis facility for required
involved personn
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: F307 − 02 (Reapproved 2007) F307 − 13
Standard Practice for
1
Sampling Pressurized Gas for Gas Analysis
This standard is issued under the fixed designation F307; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope
1.1 This practice describes the procedure procedures for obtaining a sample of pressurized gas for gas analysis from a system
or component.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use. For hazard statement, see Section 56.
2. Referenced Documents
2
2.1 ASTM Standards:
F310 Practice for Sampling Cryogenic Aerospace Fluids
G93 Practice for Cleaning Methods and Cleanliness Levels for Material and Equipment Used in Oxygen-Enriched Environments
3. Terminology
3.1 Definitions:
3.1.1 sample port—the designated point in a system or component from which a representative gas sample may be taken.
4. Summary of Practice
4.1 Evacuated Sample Vessel Procedure—A sample pressure vessel is evacuated and sealed with a minimum vacuum pressure
-3
of 10-310 torr. The vessel is then attached to the designated pressurized sample port. The pressurized gas is allowed to enter the
sample vessel until the pressure is equal to the pressure of the system or component. The pressure is secured and the sample vessel
assigned for appropriate analysis.
4.2 Purged Sample Vessel Procedure—The pressurized gas sample port is opened to establish a low level purge. A sample vessel
with valves opened at each end is attached to the pressurized sample port. The pressurized sample port is opened and the purge
pressure is increased to completely purge the vessel prior to sample capture. The vessel valves and sample port valves are then
closed and the sample vessel delivered for analysis.
5. Apparatus
NOTE 1—All apparatus used in the sample taking should be verified as cleaned and packaged within the requirements of the allowable contamination
of the system, unless otherwise noted.system.
5.1 Connecting Lines, rigid or flexible, pressure rated and identified within recognized safety codes.
5.2 Miscellaneous Fittings, as needed for sampling point adaption.
5.3 Tie-downs, suitable for sample line restraint in accord with pressure, temperature, and recognized safety codes.
1
This practice is under the jurisdiction of ASTM Committee E21 on Space Simulation and Applications of Space Technology and is the direct responsibility of
Subcommittee E21.05 on Contamination. ASTM Committee D02 on Petroleum Products and Lubricants maintains a continued interest in this practice and will make use of
it in the future.
Current edition approved April 1, 2007June 1, 2013. Published April 2007 July 2013. Originally approved in 1966. Last previous edition approved in 20022007 as
F307 - 02.F307 – 02(2007). DOI: 10.1520/F0307-02R07.10.1520/F0307-13.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
F307 − 13
5.4 Gas Sample Vessel, evacuated to a suitable rated for the appropriate maximum and minimum pressure for the gas analysis
method to be used. This vessel should have valves at inlet and outlet to enable lockup of vacuum or pressure. (See Fig. 1.)
FIG. 1 Gas Sample Vessel.
NOTE 2—The gas sample vessel capacity is selected in accord with desired sample volume. A For evacuated vessel sampling, a recommended 8-L
3
(500-in ) volume has been determined adequate to aerospace industry. The gas sample vessel must be pressure-rated for the system or component to be
sampled.Evacuated sample vessels should be helium leak tested prior to use.
6. Safety Hazards
6.1 Personn
...
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