ASTM-D6886 › Historical Revision Information
Standard Test Method for Speciation of the Volatile Organic Compounds (VOCs) in Low VOC Content Waterborne Air-Dry Coatings by Gas Chromatograpy
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1.1 This test method is for the determination of the weight percent of individual volatile organic compounds in low VOC content waterborne latex air-dry coatings. The method is intended primarily for analysis of waterborne coatings in which the material VOC content is below 5 weight percent. The method has been used successfully with higher VOC content waterborne coatings.
1.2 This method may also be used to measure the exempt volatile organic compound content (acetone, methyl acetate, and p-chlorobezotrifluoride) of waterborne coatings. The methodology is virtually identical to that used in Test Method D 6133 and similar to that used in Test Method D 6438.
1.3 Volatile compounds that are present at the 0.05 weight percent level or greater can be determined. Solid phase microextraction will detect volatile compounds at lower levels.
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.
Significance and Use
In using Practice D 3960
Note 3—An effort is currently underway in California to consider changing mass-based VOC regulations for architectural coatings to reactivity-based VOC regulations. In California, reactivity based regulations have already been implemented for aerosol coatings, that is, MIR-indexed regulations (California Air Resources Board). Reactivity based regulations would require knowing the weight fractions of each individual volatile compound present in a coating.
SPME/GC makes it possible to identify very low levels of volatile compounds in a coating and could serve to make it possible to identify the presence of hazardous air pollutants (HAPs).
exempt organic compounds; gas chromatography; HAPS (hazardous air pollutants); speciation; SPME (solid phase microextraction); waterborne coatings; ICS Number Code 71.040.50 (Physicochemical methods of analysis)
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March 10, 2003