ASTM D1492-08e1

    Standard Test Method for Bromine Index of Aromatic Hydrocarbons by Coulometric Titration


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    1. Scope

    1.1 This test method covers the determination of the amount of bromine-reactive material in aromatic hydrocarbons. It is usually applied to materials having bromine indexes below 500.

    Note 1—Other test methods for determining bromine-reactive material are Test Methods D1159, , D2710, and D5776.

    1.2 This test method has been found applicable to aromatic hydrocarbons containing no more than trace amounts of olefins and that are substantially free from material lighter than isobutane and have a distillation end point under 288°C.

    1.3 The following applies to all specified limits in this test method: For purposes of determining conformance with this test method, an observed value or a calculated value shall be rounded off to the nearest unit in the last right-hand digit used in expressing the specification limit, 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 WarningMercury has been designated by EPA and many state agencies as a hazardous material that can cause central nervous system, kidney, and liver damage. Mercury, or its vapor, may be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury-containing products. See the applicable product Material Safety Data Sheet (MSDS) for details and EPA's website (http://www.epa.gov/mercury/faq.htm) for additional information. Users should be aware that selling mercury or mercury-containing products, or both, in your state may be prohibited by state law.

    1.6 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.


    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

    D891 Test Methods for Specific Gravity, Apparent, of Liquid Industrial Chemicals

    D1159 Test Method for Bromine Numbers of Petroleum Distillates and Commercial Aliphatic Olefins by Electrometric Titration

    D1193 Specification for Reagent Water

    D1491 Test Method for Test for Bromine Index of Aromatic Hydrocarbons by Potentiometric Titration

    D2710 Test Method for Bromine Index of Petroleum Hydrocarbons by Electrometric Titration

    D3437 Practice for Sampling and Handling Liquid Cyclic Products

    D3505 Test Method for Density or Relative Density of Pure Liquid Chemicals

    D4052 Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter

    D5776 Test Method for Bromine Index of Aromatic Hydrocarbons by Electrometric Titration

    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


    ICS Code

    ICS Number Code 71.080.15 (Aromatic hydrocarbons)

    UNSPSC Code

    UNSPSC Code 12352005(Aromatic or heterocyclic compounds)


    Referencing This Standard
    Link Here
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    DOI: 10.1520/D1492-08E01

    Citation Format

    ASTM D1492-08e1, Standard Test Method for Bromine Index of Aromatic Hydrocarbons by Coulometric Titration, ASTM International, West Conshohocken, PA, 2008, www.astm.org

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