ASTM-D2930 2003

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D2930-03 Standard Test Method for Maleic Acid in Maleic Anhydride by Potentiometric Titration

Published By	Publication Date	Number of Pages
ASTM	2003	2

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Categories: 71.080.50 - Anhydrides, ASTM

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Description

ASTM D2930-03

Withdrawn Standard: Standard Test Method for Maleic Acid in Maleic Anhydride by Potentiometric Titration (Withdrawn 2012)

ASTM D2930

Scope

1.1 This test method covers the determination of free maleic acid in refined maleic anhydride by potentiometric titration.

1.2 This test method is applicable for all concentrations of maleic acid; however, it is primarily used for concentrations below 0.5 %.

1.3 The following applies to all specified limits in this standard: For purposes of determining conformance with this standard, an observed value or a calculated value shall be rounded off “to the nearest unit” in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E 29.

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. For specific hazard statements, see Section 7.

Keywords

maleic acid; maleic anhydride; titration

ICS Code

ICS Number Code 71.080.50 (Anhydrides)

DOI: 10.1520/D2930-03

PDF Catalog

PDF Pages

PDF Title

Scope
Referenced Documents
Summary of Test Method
Significance and Use
Apparatus
Reagents

Hazards
Sampling
N
-Ethylpiperidine Solution

Procedure
Calculation
Report
Precision and Bias
Keywords

Additional information

Standard Title	D2930-03 Standard Test Method for Maleic Acid in Maleic Anhydride by Potentiometric Titration
Published Code	ASTM
Publication Date	2003
Pages Count	2
ICS Codes	71.080.50 - Anhydrides