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ASTM D5060-06

(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

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
14-Jul-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 D5060-95(2000)e1 - Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by Gas Chromatography
Effective Date
15-Jul-2006
Replaced By
ASTM D5060-07 - Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by Gas Chromatography
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
15-Jul-2006
Referred By
ASTM D3193-19 - Standard Specification for Ethylbenzene
Effective Date
15-Jul-2006

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ASTM D5060-06 - Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by Gas ChromatographyASTM D5060-06 - Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by Gas Chromatography
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ASTM D5060-06 - Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by Gas Chromatography
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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.
Designation:D5060–06
Standard Test Method for
Determining Impurities in High-Purity Ethylbenzene by Gas
1
Chromatography
This standard is issued under the fixed designation D 5060; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope OSHA Regulations, 29 CFR, paragraphs 1910.1000 and
3
1910.1200
1.1 This test method describes the analysis of normally
occurring impurities in, and the purity of, ethylbenzene by gas
3. Summary of Test Method
chromatography. Impurities determined include nonaromatic
3.1 A known amount of internal standard is added to the
hydrocarbons, benzene, toluene, xylenes, cumene, and dieth-
sample.Agas chromatograph equipped with a flame ionization
ylbenzene isomers.
detector and a polar fused silica capillary column is used for
1.2 This test method is applicable for impurities at concen-
the analysis. The impurities are measured relative to the
trations from 0.001 to 1.000 % and for ethylbenzene purities of
internal standard. Ethylbenzene purity is calculated by sub-
99 % or higher. At this level, p-xylene may not be detected.
tracting the impurities found from 100.00 %.
1.3 In determining the performance of the test results using
this method to applicable specifications, results shall be
4. Significance and Use
rounded off in accordance with the rounding-off method of
4.1 The test is suitable for setting specifications on ethyl-
PracticeE29.
benzene and for use as an internal quality control tool where
1.4 This standard does not purport to address all of the
ethylbenzene is used in manufacturing processes. It may be
safety concerns, if any, associated with its use. It is the
used in development or research work involving ethylbenzene.
responsibility of the user of this standard to establish appro-
4.2 Purity is commonly reported by subtracting the deter-
priate safety and health practices and determine the applica-
mined expected impurities from 100 %.Absolute purity cannot
bility of regulatory limitations prior to use. For a specific
be determined if unknown impurities are present.
hazard statement, see Section 8.
5. Interferences
2. Referenced Documents
2 5.1 A key operational parameter for this method is the
2.1 ASTM Standards:
separation of p-xylene from ehtylbenzene. Care should be
D 3437 Practice for Sampling and Handling Liquid Cyclic
taken during calibration to ensure the separation of these two
Products
components. If p-xylene is not separated from ethylbenzene
D 4307 PracticeforPreparationofLiquidBlendsforUseas
during the calibration of the instrument, modify the column
Analytical Standards
flow rate slightly until separation is achieved.
E29 Practice for Using Significant Digits in Test Data to
Determine Conformance with Specifications
6. Apparatus
E 355 Practice for Gas Chromatography Terms and Rela-
6.1 GasChromatograph—Any gas chromatograph having a
tionships
flame ionization detector and a splitter injector suitable for use
E 1510 Practice for Installing Fused Silica Open Tubular
with a fused-silica capillary column may be used, provided the
Capillary Columns in Gas Chromatographs
system has sufficient sensitivity to obtain a minimum peak
2.2 Other Documents:
height response of 0.1 mV for 0.010 % internal standard when
operated at the stated conditions. Background noise at these
conditions is not to exceed 3 µV.
1
This test method is under the jurisdiction of ASTM Committee D16 on
6.2 Chromatographic Column, fused silica capillary, 60 m
Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of
long, 0.32-mm inside diameter, internally coated to a 0.5-µm
Subcommittee D16.07 on Styrene, Ethylbenzene, and C and C Aromatic
9 10
thickness with a bonded (crosslinked) polyethylene glycol.
Hydrocarbons.
Current edition approved July 15, 2006. Published August 2006. Originally
Other columns may be used after it has been established that
e 1
approved in 1990. Last previous edition approved in 2000 as D 5060 – 95 (2000) .
2
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
3
Standards volume information, refer to the standard’s Document Summary page on AvailablefromU.S.GovernmentPrintingOfficeSuperintendentofDocuments,
the ASTM website. 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

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...

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