Standard Test Method for Oxygen Transmission Rate Through Dry Packages Using a Coulometric Sensor

SIGNIFICANCE AND USE
5.1 Oxygen gas transmission rate is an important determinant of the protection afforded by barrier materials. It is not, however, the sole determinant, and additional tests, based on experience, must be used to correlate package performance with O2GTR. This test method is suitable as a referee method of testing, provided that the user and source have agreed on sampling procedures, standardization procedures, test conditions, and acceptance criteria.
SCOPE
1.1 This test method covers a procedure for the determination of the steady-state rate of transmission of oxygen gas into packages. More specifically, the method is applicable to packages that in normal use will enclose a dry environment.  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Publication Date
31-May-2020
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: F1307 − 20
Standard Test Method for
Oxygen Transmission Rate Through Dry Packages Using a
1
Coulometric Sensor
This standard is issued under the fixed designation F1307; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.1 oxygen gas transmission rate (O GTR)—as applied to
2
a package, is the quantity of oxygen gas passing through the
1.1 This test method covers a procedure for the determina-
surface of the package (PKG) per unit of time.
tion of the steady-state rate of transmission of oxygen gas into
3.1.1.1 Discussion—The SI unit of transmission rate is the
packages. More specifically, the method is applicable to
mol/s. The test conditions, including temperature, oxygen
packages that in normal use will enclose a dry environment.
partial pressure and humidity on both sides of the package,
1.2 The values stated in SI units are to be regarded as the
must be stated. A commonly used unit of O GTR is the
2
3 3
standard.
cm (STP)/(PKG·d), where 1 cm at Standard Temperature and
5 −6
1.3 This standard does not purport to address all of the
Pressure (STP= 273.15K; 1.013 × 10 Pa) is 44.62×10 mol
safety concerns, if any, associated with its use. It is the and one day is 86400 s. Note: The term package (PKG) is
responsibility of the user of this standard to establish appro-
utilized within the transmission rate unit to distinguish it from
priate safety, health, and environmental practices and deter- traditional film OTR results. Unlike film testing, where the test
mine the applicability of regulatory limitations prior to use.
area is always known, a package oxygen transmission rate
1.4 This international standard was developed in accor- measurement often involves complex systems with seals and
dance with internationally recognized principles on standard-
closures (for example, a bottle with cap, a tray with lidding or
ization established in the Decision on Principles for the a heat-sealed foil pouch with permeation through the edges),
Development of International Standards, Guides and Recom-
whereoxygentransmissionisoccurring.ApackageOTRtestis
mendations issued by the World Trade Organization Technical often a packaging “system” test versus a simple component
Barriers to Trade (TBT) Committee.
test.

3.1.2 oxygen permeability coeffıcient (P O )—theproductof
2
2. Referenced Documents
the permeance and thickness of the barrier.
2
2.1 ASTM Standards: 3.1.2.1 Discussion—The permeability is meaningful only
for homogenous materials, in which case it is a property
D1434TestMethodforDeterminingGasPermeabilityChar-
acteristics of Plastic Film and Sheeting characteristic of the bulk material. This quantity should not be
used unless the relationship between thickness and permeance
D3985Test Method for Oxygen Gas Transmission Rate
Through Plastic Film and Sheeting Using a Coulometric has been verified in tests using several thicknesses of the
material. The SI unit of permeability is the mol/(m·s·Pa). The
Sensor
E691Practice for Conducting an Interlaboratory Study to test conditions must be stated.
Determine the Precision of a Test Method
3.1.3 oxygen permeance (PO )—the ratio of the O GTR to
2 2
the difference between the partial pressure of O on the two
2
3. Terminology
sides of the package wall.
3.1.3.1 Discussion—The SI unit of permeance is the mol/
3.1 Definitions of Terms Specific to This Standard:
(s·Pa). The test conditions (see 4.2) must be stated.
4. Summary of Test Method
1
ThistestmethodisunderthejurisdictionofASTMCommitteeF02onPrimary
4.1 This test method employs a coulometric oxygen sensor
Barrier Packaging and is the direct responsibility of Subcommittee F02.10 on
Permeation.
and associated equipment in an arrangement similar to that
CurrenteditionapprovedJune1,2020.PublishedJuly2020.Originallyapproved
describedinTestMethodD3985.Oxygengastransmissionrate
in 1990. Last previous edition approved in 2014 as F1307–14. DOI: 10.1520/
(O GTR)isdeterminedafterthepackagehasbeenmountedon
F1307-20. 2
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or a test fixture and has equilibrated in the test environment.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
4.2 Thepackageismountedinsuchawayastoprovidethat
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. the inside of the package is slowly purged by a stream of
Copyright © ASTM International, 100 Barr Ha
...

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: F1307 − 14 F1307 − 20
Standard Test Method for
Oxygen Transmission Rate Through Dry Packages Using a
1
Coulometric Sensor
This standard is issued under the fixed designation F1307; 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.
1. Scope
1.1 This test method covers a procedure for the determination of the steady-state rate of transmission of oxygen gas into
packages. More specifically, the method is applicable to packages that in normal use will enclose a dry environment.
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 safety, health, and healthenvironmental practices and determine the
applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2
2.1 ASTM Standards:
D1434 Test Method for Determining Gas Permeability Characteristics of Plastic Film and Sheeting
3
D1898 Practice for Sampling of Plastics (Withdrawn 1998)
D3985 Test Method for Oxygen Gas Transmission Rate Through Plastic Film and Sheeting Using a Coulometric Sensor
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
3. Terminology
3.1 Definitions of Terms Specific to This Standard:
3.1.1 oxygen gas transmission rate (O GTR)—as applied to a package, is the quantity of oxygen gas passing through the surface
2
of the package (PKG) per unit of time.
1
This test method is under the jurisdiction of ASTM Committee F02 on FlexiblePrimary Barrier Packaging and is the direct responsibility of Subcommittee F02.10 on
Permeation.
Current edition approved April 1, 2014June 1, 2020. Published June 2014July 2020. Originally approved in 1990. Last previous edition approved in 20072014 as
F1307 – 02 (2007).F1307 – 14. DOI: 10.1520/F1307-14.10.1520/F1307-20.
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.
3.1.1.1 Discussion—
The SI unit of transmission rate is the mol/s. The test conditions, including temperature, oxygen partial pressure and humidity on
3 3
both sides of the package, must be stated. A commonly used unit of O GTR is the cm (STP)/(PKG·d), where 1 cm at Standard
2
5 −6
Temperature and Pressure (STP = 273.15K; 1.013 × 10 Pa) is 44.62 × 10 mol and one day is 86 400 s.86 400 s. Note: The term
package (PKG) is utilized within the transmission rate unit to distinguish it from traditional film OTR results. Unlike film testing,
where the test area is always known, a package oxygen transmission rate measurement often involves complex systems with seals
and closures (for example, a bottle with cap, a tray with lidding or a heat-sealed foil pouch with permeation through the edges),
where oxygen transmission is occurring. A package OTR test is often a packaging “system” test versus a simple component test.

3.1.2 oxygen permeability coeffıcient (P O )—the product of the permeance and thickness of the barrier.
2
3.1.2.1 Discussion—
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
F1307 − 20
The permeability is meaningful only for homogenous materials, in which case it is a property characteristic of the bulk material.
This quantity should not be used unless the relationship between thickness and permeance has been verified in tests using several
thicknesses of the material. The SI unit of permeability is the mol/(m·s·Pa). The test conditions must be stated.
3.1.3 oxygen permeance (PO )—the ratio of the O GTR to the difference between the partial pressure of O on the two sides
2 2 2
of the package wall.
3.1.3.1 Discussion—
FIG. 1 Arrangement of Components when Re
...

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