ASTM-D1991 › 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