ASTM D7083-16(2022)

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: D7083 − 16 (Reapproved 2022)
Standard Practice for
Determination of Monomeric Plasticizers in Poly (Vinyl
Chloride) (PVC) by Gas Chromatography
This standard is issued under the fixed designation D7083; 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 Scope tometric Technique (Withdrawn 2020)
D3465 Guide for Purity of Monomeric Plasticizers by Gas
1.1 This practice provides for the separation and identifica-
Chromatography
tion of monomeric plasticizers in poly (vinyl chloride) (PVC)
D7823 Test Method for Determination of Low Level Phtha-
compounds by gas chromatography (GC).
lates in Poly (Vinyl Chloride) Plastics by Thermal
1.2 The text of this practice references notes and footnotes
Desorption—Gas Chromatography/Mass Spectrometry
which provide explanatory material. These notes and footnotes
E355 Practice for Gas Chromatography Terms and Relation-
(excluding those inTables and Figures) shall not be considered
ships
as requirements of this standard.
E594 Practice for Testing Flame Ionization Detectors Used
in Gas or Supercritical Fluid Chromatography
1.3 Test Method D2124 is an alternative infrared procedure.
IEEE/ASTM SI-10 Practice for Use of the International
1.4 The values stated in SI units are to be regarded as
System of Units (SI), the Modernized Metric System
standard. No other units of measurement are included in this
standard.
3. Terminology
1.5 This standard does not purport to address all of the
3.1 Definitions:
safety concerns, if any, associated with its use. It is the
3.1.1 For definition of plastic terms used in this standard,
responsibility of the user of this standard to establish appro-
see Terminologies D883 and D1600.
priate safety, health, and environmental practices and deter-
3.2 For units, symbols, and abbreviations used in this
mine the applicability of regulatory limitations prior to use.
standard refer to Practices E594, E355,or IEEE/ASTM SI-10.
NOTE 1—There is no known ISO equivalent to this standard.
3.3 Abbreviations:
1.6 This international standard was developed in accor-
3.3.1 DOA—Bis (2-ethylhexyl) adipate
dance with internationally recognized principles on standard-
3.3.2 DBP—Dibutyl phthalate
ization established in the Decision on Principles for the
3.3.3 DOP—Bis (2-ethylhexyl) phthalate
Development of International Standards, Guides and Recom-
3.3.4 FTIR—Fourier Transform Infrared Spectroscopy
mendations issued by the World Trade Organization Technical
3.3.5 GC—Gas Chromatography
Barriers to Trade (TBT) Committee.
3.3.6 GC/MS—Gas Chromatography/Mass Spectrometry
2. Referenced Documents 3.3.7 GPC—Gel Permeation Chromatography
2 3.3.8 HPLC—High Performance Liquid Chromatography
2.1 ASTM Standards:
3.3.9 PVC—Poly (Vinyl Chloride)
D883 Terminology Relating to Plastics
3.3.10 TCP—Tricresyl phosphate
D1600 Terminology forAbbreviatedTerms Relating to Plas-
3.3.11 TOP—Tris (2-ethylhexyl) phosphate
tics
3.3.12 TOTM—Trioctyl trimellitate
D2124 Test Method forAnalysis of Components in Poly(Vi-
nyl Chloride) Compounds Using an Infrared Spectropho-
4. Summary of Test Method
4.1 A PVC sample is extracted in accordance with Test
This test method is under the jurisdiction ofASTM Committee D20 on Plastics
Method D2124 and the extract residue is re-dissolved in a
and is the direct responsibility of Subcommittee D20.70 on Analytical Methods.
Current edition approved July 1, 2022. Published July 2022. Originally approved solvent. The resulting solution is then analyzed by GC to
in 2004. Last previous edition approved in 2016 as D7083 - 16. DOI: 10.1520/
determine the identity of each plasticizer component. The
D7083-16R22.
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 last approved version of this historical standard is referenced on
the ASTM website. www.astm.org.
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D7083 − 16 (2022)
plasticizer components are identified by retention time, or 8.5 Standards of appropriate monomeric plasticizers for use
chromatographic fingerprint, or both. in constructing an external calibration curve.
NOTE 2—Should the sample contain unknown plasticizers, it is recom-
mended that GC/MS, FTIR or another suitable technique be used to
5. Significance and Use
identify the plasticizers.
5.1 Separation and identification of plasticizer components
in PVC is necessary to correlate performance properties with
9. Safety and Precautions
polymer composition. This test method provides a means of
9.1 Hydrogen is flammable—ensure all leaks are eliminated.
determining monomeric plasticizers including adipates,
azelates, benzoates, citrates, phthalates, sebacates, and trimel-
10. Sample Preparation
litates.
10.1 Refer to the extraction procedure in Test Method
5.2 Other methods successfully used to analyze plasticizers
D2124, subsection 8.2.
are column chromatography, HPLC, GPC, FTIR, and GC/MS.
5.3 This method is not applicable to plasticizers with 11. Preparation of the Gas Chromatograph
molecular weights over 700 g/mol including epoxidized soy-
11.1 Example Conditions: The following conditions were
bean oil and polymeric plasticizers.
used to obtain the example chromatograms shown in Fig. 1.
NOTE 3—Other columns, detectors, or
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