ASTM-D7389 2012

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D7389-07(2012) Standard Test Method for Acid Number (Empirical) of Maleic Anhydride (MAH) Grafted Waxes

Published By	Publication Date	Number of Pages
ASTM	2012	2

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Description

1.1 This test method covers the determination of the acid number of maleic anhydride (MAH) grafted waxes. The number is obtained by direct titration of the material and indicates the amount of free acid present.

1.2 This test method is applicable to MAH-grafted waxes because it uses a special sample preparation step ( 7.1 ) that is not required for other waxes. The special sample preparation reverses the hydrolysis of acid anhydride that can occur during storage of the wax.

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

Additional information

Standard Title	D7389-07(2012) Standard Test Method for Acid Number (Empirical) of Maleic Anhydride (MAH) Grafted Waxes
Published Code	ASTM
Publication Date	2012
Pages Count	2

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ASTM-D7389 2012

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