ASTM D7823 Determination of Low-Level Phthalates in PVC Plastics by Thermal Desorption
ASTM D7823 test method determines the use of thermal desorption, mass spectrometry, and gas chromatography to identify and quantify phthalates like DEHP (Bis-2-ethyhexylphthalate), DNOP (Di-n-octylphthalate), DIDP (1,2-benzenedicarboxylic acid, di-C9,11-branched alkyl esters), BBP (benzyl butylphthalate), DINP (1,2-benzenedicarboxylic acid), and DBP (1,2-benzenedicarboxylic acid-1,2-di-n-butylester). The lowest level identified through this procedure is 1000 ppm. The final results are expressed in SI units.
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