ASTM D5713 - 14

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

    Active Standard ASTM D5713 | Developed by Subcommittee: D16.01

    Book of Standards Volume: 06.04


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    Significance and Use

    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.

    5.2 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.

    1. 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 E29.

    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 specific hazard statements, see 7.2 and Section 8.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D3437 Practice for Sampling and Handling Liquid Cyclic Products

    D4790 Terminology of Aromatic Hydrocarbons and Related Chemicals

    D6809 Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E260 Practice for Packed Column Gas Chromatography

    E355 Practice for Gas Chromatography Terms and Relationships

    E1510 Practice for Installing Fused Silica Open Tubular Capillary Columns in Gas Chromatographs


    ICS Code

    ICS Number Code 71.080.15 (Aromatic hydrocarbons)

    UNSPSC Code

    UNSPSC Code 12352005(Aromatic or heterocyclic compounds)


    DOI: 10.1520/D5713

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