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About This Item

 

Full Description

1.1 This test method covers a procedure for the assay of 2-mercaptobenzothiazole (MBT). It is based on a potentiometric titration of MBT with sodium hydroxide.

1.2 The assay is determined as percent by mass.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

 

Document History

  1. ASTM D1991-15(2019)

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    Standard Test Method for Rubber Chemicals-2-Mercaptobenzothiazole (MBT)-Assay

    • Most Recent
  2. ASTM D1991-15


    Standard Test Method for Rubber Chemicals—2-Mercaptobenzothiazole (MBT)—Assay

    • Historical Version
  3. ASTM D1991-05(2010)


    Standard Test Method for Rubber Chemicals - ;2-Mercaptobenzothiazole (MBT) - ;Assay

    • Historical Version
  4. ASTM D1991-05


    Standard Test Method for Rubber Chemicals - ;2-Mercaptobenzothiazole (MBT) - ;Assay

    • Historical Version
  5. ASTM D1991-96(2001)


    Standard Test Method for Rubber Chemicals - ;2-Mercaptobenzothiazole (MBT) - ;Assay

    • Historical Version
  6. ASTM D1991-96


    Standard Test Method for Rubber Chemicals - ;2-Mercaptobenzothiazole (MBT) - ;Assay

    • Historical Version