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ASTM D5060-07

(Test Method)

Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by Gas Chromatography

Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by Gas Chromatography

SIGNIFICANCE AND USE
The test is suitable for setting specifications on ethylbenzene and for use as an internal quality control tool where ethylbenzene is used in manufacturing processes. It may be used in development or research work involving ethylbenzene.
Purity is commonly reported by subtracting the determined expected impurities from 100 %. Absolute purity cannot be determined if unknown impurities are present.
SCOPE
1.1 This test method describes the analysis of normally occurring impurities in, and the purity of, ethylbenzene by gas chromatography. Impurities determined include nonaromatic hydrocarbons, benzene, toluene, xylenes, cumene, and diethylbenzene isomers.
1.2 This test method is applicable for impurities at concentrations from 0.001 to 1.000 % and for ethylbenzene purities of 99 % or higher. At this level, p-xylene may not be detected.
1.3 In determining the performance 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.
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. For a specific hazard statement, see Section 8.

General Information

Status
Historical
Publication Date
31-Dec-2006
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 D5060-06 - Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by Gas Chromatography
Effective Date
01-Jan-2007
Referred By
ASTM D3193-19 - Standard Specification for Ethylbenzene
Effective Date
01-Jan-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-Jan-2007

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ASTM D5060-07 - Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by Gas ChromatographyASTM D5060-07 - Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by Gas Chromatography
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ASTM D5060-07 - Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by 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: D5060 − 07
StandardTest Method for
Determining Impurities in High-Purity Ethylbenzene by Gas
1
Chromatography
This standard is issued under the fixed designation D5060; 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* E355 Practice for Gas Chromatography Terms and Relation-
ships
1.1 This test method describes the analysis of normally
E1510 Practice for Installing Fused Silica Open Tubular
occurring impurities in, and the purity of, ethylbenzene by gas
Capillary Columns in Gas Chromatographs
chromatography. Impurities determined include nonaromatic
2.2 Other Documents:
hydrocarbons, benzene, toluene, xylenes, cumene, and dieth-
OSHA Regulations, 29 CFR paragraphs 1910.1000 and
ylbenzene isomers.
3
1910.1200
1.2 This test method is applicable for impurities at concen-
trations from 0.001 to 1.000 % and for ethylbenzene purities of
3. Summary of Test Method
99 % or higher. At this level, p-xylene may not be detected.
3.1 A known amount of internal standard is added to the
1.3 In determining the performance of the test results using
sample.Agas chromatograph equipped with a flame ionization
this method to applicable specifications, results shall be
detector and a polar fused silica capillary column is used for
rounded off in accordance with the rounding-off method of
the analysis. The impurities are measured relative to the
Practice E29.
internal standard. Ethylbenzene purity is calculated by sub-
tracting the impurities found from 100.00 %.
1.4 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
4. Significance and Use
responsibility of the user of this standard to establish appro-
4.1 The test is suitable for setting specifications on ethyl-
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. For a specific benzene and for use as an internal quality control tool where
ethylbenzene is used in manufacturing processes. It may be
hazard statement, see Section 8.
used in development or research work involving ethylbenzene.
2. Referenced Documents
4.2 Purity is commonly reported by subtracting the deter-
2
2.1 ASTM Standards:
mined expected impurities from 100 %.Absolute purity cannot
D3437 Practice for Sampling and Handling Liquid Cyclic
be determined if unknown impurities are present.
Products
5. Interferences
D4307 Practice for Preparation of Liquid Blends for Use as
Analytical Standards
5.1 A key operational parameter for this method is the
D6809 Guide for Quality Control and Quality Assurance
separation of p-xylene from ethylbenzene. Care should be
Procedures for Aromatic Hydrocarbons and Related Ma-
taken during calibration to ensure the separation of these two
terials
components. If p-xylene is not separated from ethylbenzene
E29 Practice for Using Significant Digits in Test Data to
during the calibration of the instrument, modify the column
Determine Conformance with Specifications
flow rate slightly until separation is achieved.
6. Apparatus
1
This test method is under the jurisdiction of ASTM Committee D16 on
Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of 6.1 Gas Chromatograph (GC)—any GC built for capillary
Subcommittee D16.07 on Styrene, Ethylbenzene and C9 and C10 Aromatic
column chromatography and equipped with a flame ionization
Hydrocarbons.
detector (FID). The system shall have sufficient sensitivity,
Current edition approved Jan. 1, 2007. Published January 2007. Originally
linearity, and range to obtain a minimum peak height response
approved in 1990. Last previous edition approved in 2006 as D5060 – 06. DOI:
10.1520/D5060-07.
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 ----------------------
D5060 − 07
for 0.0010 wt% impurity of twice the height of the signal 10.2 Analyze the ethylbenzene used in preparing the cali-
background noise, while not exceeding the full scale of either bration blend as described in 11.3.
the detector or the electronic integration
...

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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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5.1 This test method is suitable for setting specifications on the materials referenced in 1.2 and for use as an internal quality control tool where isopropylbenzene is produced or is used in a manufacturing process. It may also be used in development or research work involving isopropylbenzene.  
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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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