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Test Method A
Formerly under the jurisdiction of Committee D01 on Paint and Related Coatings, Materials, and Applications, this test method was withdrawn in June 2011 in accordance with section 10.5.3.1 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.
1.1 Test Method A—Describes a chemical (titrametric) procedure for the determination of acrylic acid dimer in acrylic acid. This procedure may be applicable to other unsaturated organic acids.
1.2 Test Method B—Describes a gas chromatographic procedure for the determination of acrylic acid dimer in acrylic acid. Other impurities may also be determined simultaneously.
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 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.5 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 8.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D268 Guide for Sampling and Testing Volatile Solvents and Chemical Intermediates for Use in Paint and Related Coatings and Materials
D1193 Specification for Reagent Water
D4052 Test Method for Density and Relative Density of Liquids by Digital Density Meter
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E200 Practice for Preparation, Standardization, and Storage of Standard Solutions for Chemical Analysis