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  • ASTM D 8031 : 2016

    Current The latest, up-to-date edition.

    Standard Test Method for Acid Number of Terephthalic Acid (TA) by Automatic Potentiometric Titration

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-03-2016

    Publisher:  American Society for Testing and Materials

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    Abstract - (Show below) - (Hide below)

    CONTAINED IN VOL. 06.04, 2017 Defines the determination of acid number in terephthalic acid (TA) by automatic potentiometric titration.

    Scope - (Show below) - (Hide below)

    1.1This test method covers the determination of acid number in terephthalic acid (TA) by automatic potentiometric titration. As the index of TA purity, acid number is usually within 674 to 676 mg KOH/g.

    1.2In determining the conformance of the test results using this method, results shall be rounded off in accordance with the rounding-off method of Practice E29.

    1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.4This 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.

    General Product Information - (Show below) - (Hide below)

    Committee D 16
    Document Type Test Method
    Publisher American Society for Testing and Materials
    Status Current

    Standards Referencing This Book - (Show below) - (Hide below)

    ASTM D 6809 : 2002 : R2016 Standard Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials
    ASTM D 6809 : 2020 Standard Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials
    ASTM E 177 : 1990 : REV A : R1996 Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods
    ASTM E 177 : 2014 : REDLINE Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods
    ASTM E 29 : 2013 : R2019 Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
    ASTM D 664 : 2017 : REV A Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration
    ASTM D 4790 : 2020 : REV A Standard Terminology of Aromatic Hydrocarbons and Related Chemicals
    ASTM E 29 : 2002 Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
    ASTM D 1193 : 1977 : R1983 : EDT 1 Standard Specification for Reagent Water
    ASTM D 4790 : 2007 Standard Terminology of Aromatic Hydrocarbons and Related Chemicals
    ASTM E 691 : 2020 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
    ASTM E 691 : 2019 : EDT 1 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
    ASTM E 691 : 2023 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
    ASTM D 1193 : 2006 : R2011 Standard Specification for Reagent Water
    ASTM E 300 : 2003 : R2022 Standard Practice for Sampling Industrial Chemicals
    ASTM D 4790 : 2023 Standard Terminology of Aromatic Hydrocarbons and Related Chemicals
    ASTM D 6809 : 2002 : R2012 Standard Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials
    ASTM D 664 : 1995 Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration
    ASTM D 4790 : 1999 Standard Terminology of Aromatic Hydrocarbons and Related Chemicals
    ASTM D 4790 : 2020 Standard Terminology of Aromatic Hydrocarbons and Related Chemicals
    ASTM E 691 : 2022 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
    ASTM E 691 : 2009 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
    ASTM D 1193 : 1991 Standard Specification for Reagent Water
    CFR 29(PT1910.1000 TO END) : 0 LABOR - OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
    ASTM D 4790 : 2011 Standard Terminology of Aromatic Hydrocarbons and Related Chemicals
    ASTM E 691 : 2021 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
    ASTM D 4790 : 2014 : REDLINE Standard Terminology of Aromatic Hydrocarbons and Related Chemicals
    ASTM D 4790 : 2014 Standard Terminology of Aromatic Hydrocarbons and Related Chemicals
    ASTM D 6809 : 2002 Standard Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials
    ASTM D 664 : 2011 : REV A Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration
    ASTM E 300 : 2003 : R2017 Standard Practice for Sampling Industrial Chemicals
    ASTM D 1193 : 1970 Standard Specification For Reagent Water
    ASTM D 1193 : 2006 Standard Specification for Reagent Water
    ASTM D 1193 : 1999 Standard Specification for Reagent Water
    ASTM D 6809 : 2002 : R2007 Standard Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials
    ASTM D 1193 : 2006 : R2018 Standard Specification for Reagent Water
    ASTM E 29 : 2022 Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
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