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Last Updated: Jul 20, 2017
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ASTM D3988-05(2011)
Standard Test Method for Vanadium in Paint Driers by EDTA Method
Standard Test Method for Vanadium in Paint Driers by EDTA Method
D3988-05R11
ASTM|D3988-05R11|en-US
Standard Test Method for Vanadium in Paint Driers by EDTA Method
Standard
D3988 Standard Test Method for Vanadium 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 vanadium drier manufactured for use by the coatings industry.
Scope
1.1 This test method covers the titrimetric determination of vanadium in liquid vanadium driers and utilizes the disodium salt of ethylenediaminetetraacetic acid dihydrate (EDTA).
1.2 This test method is limited to the determination of the vanadium content of a liquid vanadium drier that does not contain other drier elements. This test method is not applicable to drier blends.
1.3 All cations that can be titrated with EDTA in alkaline media interfere and must not be present in the sample.
1.4 This test method has been tested for concentrations of 3 and 4 % vanadium, but there is no reason to believe that it is not suitable for higher or lower vanadium concentrations provided specimen size is adjusted proportionately.
1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.6 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.