Standard Historical Last Updated: Jul 31, 2012
ASTM D3989-01(2006)

Standard Test Method for Total Rare Earth Metals in Paint Driers by EDTA Method

Standard Test Method for Total Rare Earth Metals in Paint Driers by EDTA Method
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Significance and Use

This test method may be used to confirm the stated content of a pure, liquid rare earth metal drier manufactured for use in the coatings industry.


1.1 This test method covers the titrimetric determination of rare earth metals in liquid rare earth metal driers and utilizes the disodium salt of ethylenediaminetetraacetic acid dihydrate (EDTA).

1.2 This test method is limited to the determination of the rare earth metal content of a liquid rare earth metal drier that does not contain other drier elements. The method is not applicable to drier blends.

1.3 This test method has been tested in concentrations of 6 % cerium and 6 % rare earth metals, but there is no reason to believe that it is not suitable for higher or lower drier metal concentrations provided specimen size is adjusted accordingly.

1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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.

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Book of Standards Volume: 06.01
Developed by Subcommittee: D01.21
Pages: 3
DOI: 10.1520/D3989-01R06
ICS Code: 87.060.99