ASTM-D5051 Standard Test Method for Rubber Compounding Materials—Benzothiazyl Disulfide (MBTS)—Assay

ASTM-D5051 - 2006 R17 EDITION - CURRENT
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Standard Test Method for Rubber Compounding Materials—Benzothiazyl Disulfide (MBTS)—Assay
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Scope

1.1 This test method covers the determination of assay of benzothiazyl disulfide (MBTS). It is based on a titration of free iodine liberated upon reduction of MBTS, with potassium iodide (KI) in acid medium.

1.2 The assay is determined as mass percent.

1.3 Free 2-mercaptobenzothiazole (MBT) content is not determined.

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.

1.6 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.

Keywords

mercaptobenzothiazole; mercaptobenzothiazole disulfide;; ICS Number Code 83.060 (Rubber)

To find similar documents by ASTM Volume:

09.01 (Rubber, Natural and Synthetic -- General Test Methods; Carbon Black)

To find similar documents by classification:

83.060 (Rubber Raw rubber, see 83.040.10)

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Document Number

ASTM-D5051-06(2017)

Revision Level

2006 R17 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

July 1, 2017

Document Type

Test Method

Page Count

3 pages

Committee Number

D11.11