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ASTM D5713-05

(Test Method)

Standard Test Method for Analysis of High Purity Benzene for Cyclohexane Feedstock by Capillary Gas Chromatography

Standard Test Method for Analysis of High Purity Benzene for Cyclohexane Feedstock by Capillary Gas Chromatography

SIGNIFICANCE AND USE
This test method is designed to obtain benzene purity on the basis of impurities normally present in benzene and may be used for final product inspections and process control.
This test method will detect the following impurities: toluene, methylcyclopentane, n-hexane, 2-methylhexane, cyclohexane, cyclopentane, 2-methylpentane, 2,3-dimethylpentane, 3-methylhexane, n-heptane, methylcyclohexane, ethylcyclopentane, 2,4-dimethylhexane, trimethylpentane, and others where specific impurity standards are available. Absolute purity cannot be accurately determined if unknown impurities are present.
SCOPE
1.1 This test method covers the determination of specific impurities in, and the purity of benzene for cyclohexane feedstock by gas chromatography.
1.2 This test method has been found applicable to benzene in the range from 99 to 100 % purity and to impurities at concentrations of 2 to 10 000 mg/kg.
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.
1.5 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 7.1 and Section 8.

General Information

Status
Historical
Publication Date
30-Jun-2005
ICS
71.080.15 - Aromatic hydrocarbons
Technical Committee
D16 - Aromatic, Industrial, Specialty and Related Chemicals
Drafting Committee
D16.01 - Benzene, Toluene, Xylenes, Cyclohexane and Their Derivatives
Current Stage
Ref Project

Relations

Replaces
ASTM D5713-00 - Standard Test Method for Analysis of High Purity Benzene for Cyclohexane Feedstock by Capillary Gas Chromatography
Effective Date
01-Jul-2005
Replaced By
ASTM D5713-09 - Standard Test Method for Analysis of High Purity Benzene for Cyclohexane Feedstock by Capillary Gas Chromatography
Effective Date
01-Dec-2009
Referred By
ASTM D5871-19 - Standard Specification for Benzene for Cyclohexane Feedstock
Effective Date
01-Jul-2005

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ASTM D5713-05 - Standard Test Method for Analysis of High Purity Benzene for Cyclohexane Feedstock by Capillary Gas ChromatographyASTM D5713-05 - Standard Test Method for Analysis of High Purity Benzene for Cyclohexane Feedstock by Capillary Gas Chromatography
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ASTM D5713-05 - Standard Test Method for Analysis of High Purity Benzene for Cyclohexane Feedstock 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:D5713–05
Standard Test Method for
Analysis of High Purity Benzene for Cyclohexane Feedstock
1
by Capillary Gas Chromatography
This standard is issued under the fixed designation D5713; 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* E355 Practice for Gas Chromatography Terms and Rela-
tionships
1.1 This test method covers the determination of specific
E1510 Practice for Installing Fused Silica Open Tubular
impurities in, and the purity of benzene for cyclohexane
Capillary Columns in Gas Chromatographs
feedstock by gas chromatography.
2.2 Other Document:
1.2 This test method has been found applicable to benzene
OSHA Regulations 29 CFR paragraphs 1910.1000 and
in the range from 99 to 100% purity and to impurities at
3
1910.1200
concentrations of 2 to 10000 mg/kg.
1.3 In determining the conformance of the test results using
3. Terminology
this method to applicable specifications, results shall be
3.1 Definitions:
rounded off in accordance with the rounding-off method of
3.1.1 For definition of terms used in this test method see
Practice E29.
Terminology D4790.
1.4 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this
4. Summary of Test Method
standard.
4.1 Inthistestmethod,thechromatogrampeakareaforeach
1.5 This standard does not purport to address all of the
impurity is compared to the peak area of the internal standard
safety concerns, if any, associated with its use. It is the
(n-octane or other suitable known) added to the sample. From
responsibility of the user of this standard to establish appro-
the response factor of toluene relative to that of the internal
priate safety and health practices and determine the applica-
standard, and using a response factor of 1.00 for nonaromatic
bility of regulatory limitations prior to use. For a specific
impurities and the amount of internal standard added, the
hazard statement, see 7.1 and Section 8.
concentrations of the impurities are calculated. The benzene
content is obtained by subtracting the total amount of all
2. Referenced Documents
2 impurities from 100.00.
2.1 ASTM Standards:
D3437 Practice for Sampling and Handling Liquid Cyclic
5. Significance and Use
Products
5.1 Thistestmethodisdesignedtoobtainbenzenepurityon
D4790 TerminologyofAromaticHydrocarbonsandRelated
thebasisofimpuritiesnormallypresentinbenzeneandmaybe
Chemicals
used for final product inspections and process control.
D6809 Guide for Quality Control and Quality Assurance
5.2 This test method will detect the following impurities:
Procedures for Aromatic Hydrocarbons and Related Ma-
toluene, methylcyclopentane, n-hexane, 2-methylhexane, cy-
terials
clohexane, cyclopentane, 2-methylpentane, 2,3-
E29 Practice for Using Significant Digits in Test Data to
dimethylpentane,3-methylhexane, n-heptane,methylcyclohex-
Determine Conformance with Specifications
ane, ethylcyclopentane, 2,4-dimethylhexane, trimethylpentane,
E260 Practice for Packed Column Gas Chromatography
and others where specific impurity standards are available.
Absolute purity cannot be accurately determined if unknown
1
This test method is under the jurisdiction of ASTM Committee D16 on
impurities are present.
Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of
Subcommittee D16.01 on Benzene, Toluene, Xylenes, Cyclohexane and Their
6. Apparatus
Derivatives.
6.1 Gas Chromatograph—Anygaschromatographhavinga
Current edition approved July 1, 2005. Published August 2005. Originally
approved in 1995. Last previous edition approved in 2000 as D5713–00. DOI:
temperatureprogrammableoven,flameionizationdetectorand
10.1520/D5713-05.
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 ----------------------
D5713–05
TABLE 2 Intermediate Precision and Reproducibility
a splitter injector suitable for use with a fused silica capillary
column may be used, provided the system has sufficient Average
Intermediate
Component Concentration ppm Reproducibility
sensitivitythatwillgiveaminimumpe
...

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5.1 This test method is useful for benzene purity on the basis of impurities normally present in benzene and may be used for final product inspections and process control.  
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