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ASTM D3545-22

(Test Method)

Standard Test Method for Alcohol Content and Purity of Acetate Esters by Gas Chromatography

Standard Test Method for Alcohol Content and Purity of Acetate Esters by Gas Chromatography

SIGNIFICANCE AND USE
4.1 This test method is useful for identifying and for determining the quantity of various impurities in acetate esters.  
4.2 Total purity of the acetate esters must be determined by use of other appropriate ASTM procedures with this test method.
SCOPE
1.1 This test method covers the determination by gas chromatography of the ester content and the corresponding alcohol content of acetate esters. This test method has been applied to ethyl, n-propyl, isopropyl, n-butyl, isobutyl, and 2-ethoxyethyl acetates.  
1.2 Water, and in some cases acetic acid, cannot be determined by this test method and must be measured by other appropriate ASTM procedures and the results used to normalize the chromatographic value.  
1.3 For purposes of determining conformance of an observed or a calculated value using this test method to relevant specifications, test result(s) shall be rounded off “to the nearest unit” in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E29.  
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.5 For specific hazard information and guidance, see the supplier’s Material Safety Data Sheet for material listed in this specification.  
1.6 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.  
1.7 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.

General Information

Status
Published
Publication Date
31-Dec-2021
ICS
87.060.30 - Solvents
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.35 - Solvents, Plasticizers, and Chemical Intermediates
Current Stage
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ASTM D3545-22 - Standard Test Method for Alcohol Content and Purity of Acetate Esters by Gas ChromatographyASTM D3545-22 - Standard Test Method for Alcohol Content and Purity of Acetate Esters by Gas Chromatography
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ASTM D3545-22 - Standard Test Method for Alcohol Content and Purity of Acetate Esters by Gas Chromatography
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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: D3545 − 22
Standard Test Method for
Alcohol Content and Purity of Acetate Esters by Gas
1
Chromatography
This standard is issued under the fixed designation D3545; 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 U.S. Department of Defense.
1. Scope mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
1.1 This test method covers the determination by gas
chromatography of the ester content and the corresponding
2. Referenced Documents
alcohol content of acetate esters. This test method has been
2
applied to ethyl, n-propyl, isopropyl, n-butyl, isobutyl, and
2.1 ASTM Standards:
2-ethoxyethyl acetates.
D1364 Test Method for Water in Volatile Solvents (Karl
Fischer Reagent Titration Method)
1.2 Water, and in some cases acetic acid, cannot be deter-
D1613 Test Method for Acidity in Volatile Solvents and
mined by this test method and must be measured by other
Chemical Intermediates Used in Paint, Varnish, Lacquer,
appropriate ASTM procedures and the results used to normal-
and Related Products
ize the chromatographic value.
D2593 Test Method for Butadiene Purity and Hydrocarbon
1.3 For purposes of determining conformance of an ob-
Impurities by Gas Chromatography
served or a calculated value using this test method to relevant
E29 Practice for Using Significant Digits in Test Data to
specifications, test result(s) shall be rounded off “to the nearest
Determine Conformance with Specifications
unit” in the last right-hand digit used in expressing the
E180 Practice for Determining the Precision of ASTM
specificationlimit,inaccordancewiththerounding-offmethod
Methods for Analysis and Testing of Industrial and Spe-
of Practice E29. 3
cialty Chemicals (Withdrawn 2009)
1.4 The values stated in SI units are to be regarded as E260 Practice for Packed Column Gas Chromatography
standard. No other units of measurement are included in this
standard.
3. Summary of Test Method
1.5 For specific hazard information and guidance, see the
3.1 A representative specimen is introduced into a gas-
supplier’s Material Safety Data Sheet for material listed in this
liquid partition column. The acetate is separated from impuri-
specification.
ties such as alcohols, other esters, ethers, and several uniden-
tified compounds while the components are transported
1.6 This standard does not purport to address all of the
through the column by an inert carrier gas. The separated
safety concerns, if any, associated with its use. It is the
components are measured in the effluent by a detector and
responsibility of the user of this standard to establish appro-
recorded as a chromatogram. The chromatogram is interpreted
priate safety, health, and environmental practices and deter-
by applying component attenuation and detector response
mine the applicability of regulatory limitations prior to use.
factors to the peak areas, and the relative concentrations are
1.7 This international standard was developed in accor-
determined by relating the individual peak responses to the
dance with internationally recognized principles on standard-
total peak response. Water and acidity are measured by Test
ization established in the Decision on Principles for the
Methods D1364 and D1613, respectively, and the results are
Development of International Standards, Guides and Recom-
used to normalize the values obtained by gas chromatography.
1
This test method is under the jurisdiction of ASTM Committee D01 on Paint
2
and Related Coatings, Materials, andApplications and is the direct responsibility of For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Subcommittee D01.35 on Solvents, Plasticizers, and Chemical Intermediates. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved Jan. 1, 2022. Published January 2022. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 1976. Last previous edition approved in 2012 as D3545 – 06 (2012) the ASTM website.
3
which was withdrawn January 2021 and reinstated in January 2022. DOI: 10.1520/ The last approved version of this historical standard is referenced on
D3545-22. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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4.1 Benzene is classed as a toxic and carcinogenic material. A knowledge of the concentration of this compound may be an aid in evaluating the possible health hazards to persons handling and using hydrocarbon solvents, but this test method is not intended to evaluate such hazards.
SCOPE
1.1 This test method covers the determination by gas chromatography of benzene at levels from 0.01 to 1 volume % in hydrocarbon solvents.
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