Title |
Modern applications for a total sulfur reduction distillation method - what’s old is new again
|
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Published in |
Geochemical Transactions, April 2014
|
DOI | 10.1186/1467-4866-15-4 |
Pubmed ID | |
Authors |
Gail L Arnold, Benjamin Brunner, Inigo A Müller, Hans Røy |
Abstract |
The use of a boiling mixture of hydriodic acid, hypophosphorous acid, and hydrochloric acid to reduce any variety of sulfur compounds has been in use in various applications since the first appearance of this method in the literature in the 1920's. In the realm of sulfur geochemistry, this method remains a useful, but under-utilized technique. Presented here is a detailed description of the distillation set-up and procedure, as well as an overview of potential applications of this method for marine sulfur biogeochemistry/isotope studies. The presented applications include the sulfur isotope analysis of extremely low amounts of sulfate from saline water, the conversion of radiolabeled sulfate into sulfide, the extraction of refractory sulfur from marine sediments, and the use of this method to assess sulfur cycling in Aarhus Bay sediments. |
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