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    ASTM D5054-90(2014)

    Standard Test Method for Rubber Chemicals—Diphenyl Guanidine (DPG) and Di-o-tolyl-guanidine (DOTG) Assay (Withdrawn 2018)

    Withdrawn Standard: ASTM D5054-90(2014) | Developed by Subcommittee: D11.11


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    Withdrawn Rationale:

    This test method covers the determination of assay of diphenyl guanidine (DPG) and di-o-tolyl-guanidine (DOTG). It is based on a visual titration of DPG or DOTG with hydrochloric acid (HCl).

    Formerly under the jurisdiction of Committee D11 on Rubber, this test method was withdrawn in September 2018. This standard is being withdrawn without replacement because it is no longer relevant to the industry.

    1. Scope

    1.1 This test method covers the determination of assay of diphenyl guanidine (DPG) and di-o-tolyl-guanidine (DOTG). It is based on a visual titration of DPG or DOTG with hydrochloric acid (HCl).

    1.2 The assay is determined as mass percent.

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

    1.4 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.



    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

    D1193 Specification for Reagent Water

    D4483 Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries


    Referencing This Standard
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    DOI: 10.1520/D5054-90R14

    Citation Format

    ASTM D5054-90(2014), Standard Test Method for Rubber Chemicals—Diphenyl Guanidine (DPG) and Di-o-tolyl-guanidine (DOTG) Assay (Withdrawn 2018), ASTM International, West Conshohocken, PA, 2014, www.astm.org

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