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Scope

1.1 This test method is for the determination of acetone, methyl acetate, or parachlorobenzotrifluoride (PCBTF), or combination of any of the three, in paints and coatings, by solid phase microextraction (SPME) headspace sampling, and subsequent injection into a gas chromatograph. It has been evaluated for cellulose nitrate, acrylic, and urethane solvent-borne systems. The established working range of this test method is: acetone, 28 to 90%; methyl acetate, 12 to 22%; parachlorobenzotrifluoride, 10 to 17%. There is no reason to believe that it will not work ouside these ranges. A minor modification of this test method would make it suitable for the analysis of the same analytes in water-borne coatings (see Note 1).

Note 1-Water-borne paints are internally standardized and diluted with water followed by addition of solid sodium chloride.

1.2 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.

Keywords

acetone; methyl acetate; parachlorobenzotrifluoride; PCBTF; paints; coatings; solid phase microextraction; SPME; chromatography; ICS Number Code 87.060.30 (Solvents)

To find similar documents by ASTM Volume:

06.01 (Paint -- Tests for Chemical, Physical, and Optical Properties; Appearance)

To find similar documents by classification:

87.060.30 (Solvents)

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