Abstract
A method for the analysis of chlorinated organic compounds in pulp mill bleaching effluents is described. Chlorinated phenolics were acetylated with acetic anhydride, extracted with n-hexane and the hexane extract analysed by splitless capillary gas chromatography with electron capture detection. The compounds were identified by mass spectrometry. Over 80 methyl, ethyl and acyl derivatives were prepared for identification of the phenolic compounds. Selected ion monitoring was used for the specific determination of chlorinated organic compounds. Chlofoform was determined quantitatively using a purge and trap system connected with the capillary gas chromatograph/mass spectrometer. Deuterochloroform in methanol was used as the internal standard and four selected ions were monitored.
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