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Supercritical fluid extraction of butyltin compounds from sediment

✍ Scribed by Y.K. Chau; F. Yang; M. Brown

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
388 KB
Volume
304
Category
Article
ISSN
0003-2670

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✦ Synopsis

An investigation of the extraction recovery of butyltin species in sediment by supercritical fluid extraction (SFE) is presented. Satisfactory recoveries for TBT (93.5 f 3.7%) and DBT (91.5 f 3%) are achieved. The recovery for MBT from spiked sediment (62 + 5.1%) is the highest value so far achieved by the SFE technique. A comparison of the supercritical fluid extraction with the improved tropolone solvent extraction technique for the butyltin species is presented. The results of the analysis of a reference sediment (PACS-I) are also given.

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