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ASTM D5135-07

(Test Method)

Standard Test Method for Analysis of Styrene by Capillary Gas Chromatography

Standard Test Method for Analysis of Styrene by Capillary Gas Chromatography

SIGNIFICANCE AND USE
This test method is designed to obtain styrene purity on the basis of impurities normally present in styrene and may be used for final product inspections and process control.
This test method will detect the impurities shown in Table 1, non-aromatic hydrocarbons containing ten carbons or less, and others where specific impurity standards are available. Absolute purity cannot be determined if unknown impurities are present.
SCOPE
1.1 This test method covers the determination of the impurities typically found in styrene and uses those values to determine the purity of styrene by difference by gas chromatography. Typical impurities in commercial styrene are found in Table 1.
1.2 This test method is applicable to impurity concentrations in the range of 0.001 to 1.00 % and for styrene purities of 99 % or higher when using the internal standard procedure.
1.3 In determining the conformance of the test results using this method to applicable specifications, results shall be rounded off in accordance with the rounding-off method of Practice E 29.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
This standard does not purport to address all 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 a specific hazard statement, see Section 9.

General Information

Status
Historical
Publication Date
31-May-2007
ICS
71.080.15 - Aromatic hydrocarbons
Technical Committee
D16 - Aromatic, Industrial, Specialty and Related Chemicals
Drafting Committee
D16.07 - Styrene, Ethylbenzene and C9 and C10 Aromatic Hydrocarbons
Current Stage
Ref Project

Relations

Replaces
ASTM D5135-02e1 - Standard Test Method for Analysis of Styrene by Capillary Gas Chromatography
Effective Date
01-Jun-2007
Replaced By
ASTM D5135-14 - Standard Test Method for Analysis of Styrene by Capillary Gas Chromatography
Effective Date
01-Feb-2014
Referred By
ASTM D2827-19 - Standard Specification for Styrene Monomer
Effective Date
01-Jun-2007
Referred By
ASTM D7504-23 - Standard Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography and Effective Carbon Number
Effective Date
01-Jun-2007

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ASTM D5135-07 - Standard Test Method for Analysis of Styrene by Capillary Gas ChromatographyASTM D5135-07 - Standard Test Method for Analysis of Styrene by Capillary Gas Chromatography
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ASTM D5135-07 - Standard Test Method for Analysis of Styrene by Capillary Gas Chromatography
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Standards Content (Sample)

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
Designation: D5135 − 07
StandardTest Method for
1
Analysis of Styrene by Capillary Gas Chromatography
This standard is issued under the fixed designation D5135; 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* Determine Conformance with Specifications
E355PracticeforGasChromatographyTermsandRelation-
1.1 This test method covers the determination of the impu-
ships
rities typically found in styrene and uses those values to
E691Practice for Conducting an Interlaboratory Study to
determine the purity of styrene by difference by gas chroma-
Determine the Precision of a Test Method
tography. Typical impurities in commercial styrene are found
E1510Practice for Installing Fused Silica Open Tubular
in Table 1.
Capillary Columns in Gas Chromatographs
1.2 This test method is applicable to impurity concentra-
2.2 Other Document
tionsintherangeof0.001to1.00%andforstyrenepuritiesof
OSHA Regulations, 29 CFRparagraphs 1910.1000 and
99% or higher when using the internal standard procedure. 3
1910.1200
1.3 In determining the conformance of the test results using
3. Terminology
this method to applicable specifications, results shall be
rounded off in accordance with the rounding-off method of
3.1 SeeTerminology D4790 for definitions of terms used in
Practice E29.
this test method.
1.4 The values stated in SI units are to be regarded as
4. Summary of Test Method
standard. No other units of measurement are included in this
standard. 4.1 Inthistestmethod,thechromatogrampeakareaforeach
impurity is compared to the peak area of the internal standard
1.5 This standard does not purport to address all the safety
(n-heptaneorothersuitableknown)addedtothesample.From
concerns, if any, associated with its use. It is the responsibility
the response factors of these impurities relative to that of the
of the user of this standard to establish appropriate safety and
internal standard and the amount of internal standard added,
health practices and determine the applicability of regulatory
the concentration of the impurities are calculated. The styrene
limitations prior to use. For a specific hazard statement, see
content is obtained by subtracting the total amount of all
Section 9.
impurities from 100.00.
2. Referenced Documents
5. Significance and Use
2
2.1 ASTM Standards:
5.1 This test method is designed to obtain styrene purity on
D3437Practice for Sampling and Handling Liquid Cyclic
the basis of impurities normally present in styrene and may be
Products
used for final product inspections and process control.
D4307Practice for Preparation of Liquid Blends for Use as
Analytical Standards
5.2 This test method will detect the impurities shown in
D4790Terminology ofAromatic Hydrocarbons and Related
Table 1, non-aromatic hydrocarbons containing ten carbons or
Chemicals
less,andotherswherespecificimpuritystandardsareavailable.
E29Practice for Using Significant Digits in Test Data to
Absolute purity cannot be determined if unknown impurities
are present.
1
This test method is under the jurisdiction of ASTM Committee D16 on
6. Interferences
Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of
Subcommittee D16.07 on Styrene, Ethylbenzene and C9 and C10 Aromatic 6.1 The internal standard chosen must be satisfactorily
Hydrocarbons.
resolvedfromanyimpurityaswellastheproductpeak.Apeak
Current edition approved June 1, 2007. Published June 2007. Originally
will be satisfactorily resolved from a neighboring peak if the
´1
approved in 1990. Last previous edition approved in 2002 as D5135–02 . DOI:
10.1520/D5135-07.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM AvailablefromU.S.GovernmentPrintingOfficeSuperintendentofDocuments,
Standards volume information, refer to the standard’s Document Summary page on 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http://
the ASTM website. www.access.gpo.gov.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D5135 − 07
4
TABLE 1 Impurities Known or Suggested to be Present in
teeonAnalyticalReagentsoftheAmericanChemicalSociety,
Commercial Styrene
where such specifications are available.
Ethylbenzene
8.2 Carrier Gas, makeup and detector gases 99.999%
o-xylene
m-xylene
purity.Oxygenincarriergaslessthan1ppm,lessthan0.5ppm
p-xylene
is preferred. Purify carrier, makeup and detector gases
...

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5.1 This test method can be used for determining polymer concentrations in styrene monomer.  
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SIGNIFICANCE AND USE
5.1 Determining the type and amount of hydrocarbon impurities remaining from the manufacture of toluene, mixed xylenes, p-xylene, o-xylene, ethylbenzene, benzene, and styrene used as chemical intermediates and solvents is often required. This test method is suitable for setting specifications and for use as an internal quality control tool where these products are produced or are used. Typical impurities are: alkanes containing 1 to 10 carbons atoms, benzene, toluene, ethylbenzene (EB), xylenes, and aromatic hydrocarbons containing nine carbon atoms or more.  
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This specification covers cumene (isopropylbenzene). Tests shall be performed to determine the requirements of cumene in accordance to the following test methods: purity; alpha-methylstrene, benzene, butylbenzenes, diisopropylbenzenes, ethylbenzene, phenols, n-propylbenzene, sulfur, bromine index, and appearance.
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