Identification of chlorinated sulfur compounds in pulp mill effluents by GC-MS and GC-AED

Three chlorinated dimethyl sulphones and 5 chlorinated thiophenes were identified in a spent alkaline extraction liquor from a kraft mill. Gas chromatography with atomic emission detection (GC-AED) was used for screening the effluent. The information on elemental content obtained by GC-AES was used...

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Bibliographic Details
Published in:Chromatographia 1993-01, Vol.35 (3-4), p.193-198
Main Authors: PEDERSEN-BJERGAARD, S, ASP, T. N, VEDDE, J, CARLBERG, G. E, GREIBROKK, T
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemistry
Chromatographic methods and physical methods associated with chromatography
Exact sciences and technology
Gas chromatographic methods
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Summary:Three chlorinated dimethyl sulphones and 5 chlorinated thiophenes were identified in a spent alkaline extraction liquor from a kraft mill. Gas chromatography with atomic emission detection (GC-AED) was used for screening the effluent. The information on elemental content obtained by GC-AES was used with mass spectral inspection (GC-MS) for the identification of individual chlorinated sulphur compounds. Quantitation was accomplished by GC-AED based on universal calibration. Sulphur-specific detection was accurate to about 13 per cent. Quantitatively, 1,1-dichlorodimethylsulphone predominated among the compounds found even though the extraction solvent used was not optimal for the recovery of this type of compound.
ISSN:0009-5893
1612-1112
DOI:10.1007/BF02269702