Abstract
Abstract With one exception, pyrolysis in the absence of oxygen of different forms of bound [14C]-chloroaniline residues released more than 80% of the radioactivity as volatile products. Gas chromatography-mass spectrometry of the pyrolysates indicated that the major radioactive products were the chloroaniline compounds. The pyrolysates were collected, purified, and derivatized to the corresponding trifluoroacetanilides and these derivatives were analyzed by electron capture gas chromatography. Materials used as bound residues were model synthetic lignin - [14C] - chloroaniline polymers, bound residue fractions, and lignin fractions isolated from the roots of rice plants treated hydroponically with [14C]-3-chloroaniline or [14C]-3,4-dichloroaniline.
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