Standard Test Method for Identification and Quantification of Chromium, Bromine, Cadmium, Mercury, and Lead in Polymeric Material Using Energy Dispersive X-ray Spectrometry

SIGNIFICANCE AND USE
This test method is intended for the determination of chromium, bromine, cadmium, mercury, and lead, in homogeneous polymeric materials. The test method may be used to ascertain the conformance of the product under test to manufacturing specifications. Typical time for a measurement is 5 to 10 min per specimen, depending on the specimen matrix and the capabilities of the EDXRF spectrometer.
SCOPE
1.1 This test method describes an energy dispersive X-ray fluorescence (EDXRF) spectrometric procedure for identification and quantification of chromium, bromine, cadmium, mercury, and lead in polymeric materials.
1.2 This test method is not applicable to determine total concentrations of polybrominated biphenyls (PBB), polybrominated diphenyl ethers (PBDE) or hexavalent chromium. This test method cannot be used to determine the valence states of atoms or ions.
1.3 This test method is applicable for a range from 20 mg/kg to approximately 1 wt % for chromium, bromine, cadmium, mercury, and lead in polymeric materials.
1.4 This test method is applicable for homogeneous polymeric material.
1.5 The values stated in SI units are to be regarded as the standard. Values given in parentheses are for information only.
1.6 This test method is not applicable to quantitative determinations for specimens with one or more surface coatings present on the analyzed surface; however, qualitative information may be obtained. In addition, specimens less than infinitely thick for the measured X rays, must not be coated on the reverse side or mounted on a substrate.
1.7 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.

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Publication Date
14-Aug-2008
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ASTM F2617-08e1 - Standard Test Method for Identification and Quantification of Chromium, Bromine, Cadmium, Mercury, and Lead in Polymeric Material Using Energy Dispersive X-ray Spectrometry
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
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Designation:F2617 −08
StandardTest Method for
Identification and Quantification of Chromium, Bromine,
Cadmium, Mercury, and Lead in Polymeric Material Using
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Energy Dispersive X-ray Spectrometry
This standard is issued under the fixed designation F2617; 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.
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´ NOTE—Added research report footnote to Section 16 editorially in May 2009.
1. Scope 2. Referenced Documents
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1.1 This test method describes an energy dispersive X-ray 2.1 ASTM Standards:
fluorescence (EDXRF) spectrometric procedure for identifica- D883 Terminology Relating to Plastics
tion and quantification of chromium, bromine, cadmium, D3641 Practice for Injection Molding Test Specimens of
mercury, and lead in polymeric materials. Thermoplastic Molding and Extrusion Materials
D4703 Practice for Compression Molding Thermoplastic
1.2 This test method is not applicable to determine total
Materials into Test Specimens, Plaques, or Sheets
concentrations of polybrominated biphenyls (PBB), polybro-
D6299 Practice for Applying Statistical Quality Assurance
minateddiphenylethers(PBDE)orhexavalentchromium.This
and Control Charting Techniques to Evaluate Analytical
test method cannot be used to determine the valence states of
Measurement System Performance
atoms or ions.
E29 Practice for Using Significant Digits in Test Data to
1.3 Thistestmethodisapplicableforarangefrom20mg/kg
Determine Conformance with Specifications
to approximately 1 wt % for chromium, bromine, cadmium,
E135 Terminology Relating to Analytical Chemistry for
mercury, and lead in polymeric materials.
Metals, Ores, and Related Materials
1.4 This test method is applicable for homogeneous poly- E1361 Guide for Correction of Interelement Effects in
meric material. X-Ray Spectrometric Analysis
F2576 Terminology Relating to Declarable Substances in
1.5 The values stated in SI units are to be regarded as the
Materials
standard. Values given in parentheses are for information only.
1.6 This test method is not applicable to quantitative deter- 3. Terminology
minations for specimens with one or more surface coatings
3.1 Definitions:
present on the analyzed surface; however, qualitative informa-
3.1.1 Definitions of terms applying to XRF, plastics and
tion may be obtained. In addition, specimens less than infi-
declarable substances appear in Terminology E135, Terminol-
nitely thick for the measured X rays, must not be coated on the
ogy D883 and Terminology F2576, respectively.
reverse side or mounted on a substrate.
3.1.2 Compton scatter—the inelastic scattering of an X-ray
1.7 This standard does not purport to address all of the
photon through its interaction with the bound electrons of an
safety concerns, if any, associated with its use. It is the
atom; this process is also referred to as incoherent scatter.
responsibility of the user of this standard to establish appro-
3.1.3 Rayleigh scatter—the elastic scattering of an X-ray
priate safety and health practices and determine the applica-
photon through its interaction with the bound electrons of an
bility of regulatory limitations prior to use.
atom; this process is also referred to as coherent scatter.
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This test method is under the jurisdiction of ASTM Committee F40 on
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Declarable Substances in Materials and is the direct responsibility of Subcommittee For referenced ASTM standards, visit the ASTM website, www.astm.org, or
F40.01 on Test Methods. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved Aug. 15, 2008. Published September 2008. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/F2617-08E01. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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F2617−08
3.1.3.1 Discussion—The measured count rate of Compton ascertain the conformance of the product under test to manu-
and Rayleigh scattered radiation varies depending upon speci- facturing specifications.Typical time for a measurement is 5 to
men composition and may thus be used to compensate for 10 min per specimen, depending on the specimen matrix and
matrix effects. One option is to use the measured count rate of the capabilities of the EDXRF spectrometer.
the Compton scatter in the same manner as the measured count
rate of an internal standard element. Alternatively, the mea- 6. Interferences
sured count rate of the Compton scatter or the Compton/
6.1 Spectral Interferences—Spectral interferences result
Raylei
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