ASTM-D1991 Standard Test Method for Rubber Chemicals—2-Mercaptobenzothiazole (MBT)—Assay

ASTM-D1991 - 2015 R23 EDITION - CURRENT
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Standard Test Method for Rubber Chemicals—2-Mercaptobenzothiazole (MBT)—Assay
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Scope

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 given in SI units are to be regarded as 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.

Keywords

accelerators; assay; mercaptobenzothiazole (MBT); thiazole; ICS Number Code 83.040.20 (Rubber compounding ingredients)

To find similar documents by ASTM Volume:

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

To find similar documents by classification:

83.040.20 (Rubber compounding ingredients Including carbon black, kaolin clay, etc.)

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Document Number

ASTM-D1991-15R23

Revision Level

2015 R23 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

Sept. 26, 2023

Document Type

Test Method

Page Count

3 pages

Committee Number

D11.11