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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/4716

Title: AP-TPR technique and tool for organic sulfur speciation in lignit humic acids
Authors: STEFANOVA, Maia
Issue Date: 2003
Publisher: Association Ecological Alliance
Citation: Ecology and future, 2(3/4). p. 83-85
Abstract: This paper describes the application of the atmospheric pressure-temperature programmed reduction (AP-TPR) technique in determining organic sulfur speciation in humic acids. The profile of AP-TPR measurement is presented as well as the compositions of sulfur volatiles registered in flue gases by AP-TPR-GC/MS. The results demonstrate that the AP-TPR technique is essential in determining thiols, dialylsulfides, sulfoxides and sulfones in lignite humic substances. It is a possible alternative of X-ray spectral techniques. On the other hand, the disadvantage is that the procedure is destructive, but analyses require a relative small sample quantity. The technique can be adapted as a routine in laboratory depending on the purpose of the study.
URI: http://hdl.handle.net/1942/4716
ISSN: 1312-076Х
Category: A2
Type: Journal Contribution
Appears in Collections: Research publications

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