ASTM-D5376 2002

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D5376-93(2002) Standard Test Method for Rubber Chemicals—Determination of the Percent Nitrogen in Rubber Antioxidant : Polymerized TMQ

Published By	Publication Date	Number of Pages
ASTM	2002	4

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Categories: 83.040.20 - Rubber compounding ingredients, ASTM

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Description

ASTM D5376-93-Reapproved2002

Historical Standard: Standard Test Method for Rubber Chemicals—Determination of the Percent Nitrogen in Rubber Antioxidant : Polymerized TMQ

ASTM D5376

Scope

1.1 This test method covers the determination of the nitrogen content of polymerized 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ). It is based on a potentiometric titration of an acetone solution of TMQ with perchloric acid in acetic acid.

1.2 The values stated in SI units are to be regarded as the standard.

1.3 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. Specific precautionary statements are given in Section 9.

Keywords

antioxidant; nitrogen; TMQ; 2,2,4-trimethyl 1-1; 1,2-dihydroquinoline

ICS Code

ICS Number Code 83.040.20 (Rubber compounding ingredients)

DOI: 10.1520/D5376-93R02

Additional information

Standard Title	D5376-93(2002) Standard Test Method for Rubber Chemicals—Determination of the Percent Nitrogen in Rubber Antioxidant : Polymerized TMQ
Published Code	ASTM
Publication Date	2002
Pages Count	4
ICS Codes	83.040.20 - Rubber compounding ingredients