2002 Edition, January 10, 2002
Standard Test Method for Determination of Dichloromethane and 1,1,1-Trichloroethane in Paints and Coatings by Direct Injection into a Gas Chromatograph
Includes all amendments and changes through Reapproval Notice , 2014
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Description / Abstract:
This test method covers the determination of total amount of
dichloromethane or 1,1,1-trichloroethane, or both, in paints and
coatings. It has been evaluated for cellulose nitrate, alkyd,
vinyl, and styrene-butadiene systems. It has not yet been evaluated
for other formulations, but is believed to be applicable. The
established working range of this test method is from 31 to 65 %
for 1,1,1-trichloroethane and 32 to 78 % for dichloromethane. There
is no reason to believe it will not work outside of these ranges.
The presence of 1-propanol in paints and coatings requires the use
of a different internal standard. (See also Practice E260.)