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Determination
of Volatile Matter Content and Density of Publication Rotogravure
Inks and Related Publication Rotogravure Coatings – USEPA Method
24A USEPA Method 24A is used to determine the volatile organic compound (VOC) content and density of solvent-borne (solvent-reducible) publication rotogravure inks and related publication rotogravure coatings. Separate procedures are used to determine the VOC weight fraction and density of the ink or related coating and the density of the solvent in the ink or related coating. The VOC weight fraction is determined by measuring the weight loss of a known sample quantity which has been heated for a specified length of time at a specified temperature. The density of both the ink or related coating and solvent are measured by a standard procedure. From this information, the VOC volume fraction is calculated. |
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Last Update: October 25, 2006