Assessment of peroxide oxidation for acid sulfate soil analysis. 1. Reduced inorganic sulfur Ward, NJ, Sullivan, LA, Bush, RT and Lin, Chu Xia 2002, Assessment of peroxide oxidation for acid sulfate soil analysis. 1. Reduced inorganic sulfur, Soil Research, vol. 40, no. 3, pp. 433-442, doi: 10.1071/sr01009. Title Assessment of peroxide oxidation for acid sulfate soil analysis. 1. Reduced inorganic sulfur Author(s) Ward, NJ Sullivan, LA Bush, RT Lin, Chu Xia orcid.org/0000-0002-2273-0560 Journal name Soil Research Volume number 40 Issue number 3 Start page 433 End page 442 Total pages 10 Publisher CSIRO Publishing Place of publication Melbourne, Vic. Publication date 2002 ISSN 1838-675X Summary The reduced inorganic sulfur fraction of 4 acid sulfate soil (ASS) materialswas quantified using a variety of peroxide oxidation procedures. Thetemperature and duration of the peroxide oxidation were found to markedlyaffect the peroxide oxidisable sulfur determination. For 3 ASS materials withlow total carbon content (i.e. <2.5% C), peroxide oxidisable sulfurunderestimated the reduced inorganic sulfur fraction, with the peroxideoxidisable sulfur determinations being as low as 42% of thosedetermined using chromium reducible sulfur technique. The precipitation ofjarosite during peroxide oxidation was a major factor contributing to theunderestimation of reduced inorganic sulfur in these materials. Apparentlosses of sulfur of approximately 25% on average occurred duringperoxide oxidation budget accounting; this also contributed towards theobserved underestimation of reduced inorganic sulfur. It is most likely thatthese unaccounted losses are due to atmospheric losses of sulfur. In a peatASS, one of the peroxide oxidation methods overestimated the reduced inorganicsulfur fraction and was attributed to the release of a large reserve oforganic sulfur in this material by the peroxide. This study shows the peroxideoxidation methods examined here are subject to substantial interferences.Consequently these peroxide oxidation methods are unable to reliably provideaccurate measurements of the reduced inorganic sulfur fraction in ASSmaterials.pyritic sulfur, peroxide oxidisable sulfur, chromium reducible sulfur,jarosite, sulfur budget. Language eng DOI 10.1071/sr01009 Indigenous content off HERDC Research category C1.1 Refereed article in a scholarly journal Persistent URL http://hdl.handle.net/10536/DRO/DU:30144279 Document type: Journal Article Collections: Faculty of Science, Engineering and Built Environment Centre for Regional and Rural Futures Related Links Link Description Connect to published version Go to link with your DU access privileges     Unless expressly stated otherwise, the copyright for items in DRO is owned by the author, with all rights reserved. Versions Version Filter Type Fri, 16 Oct 2020, 17:04:26 EST Sat, 17 Oct 2020, 04:03:51 EST Sat, 17 Oct 2020, 05:06:44 EST Thu, 22 Oct 2020, 14:35:12 EST Thu, 22 Oct 2020, 14:36:24 EST Filtered Full Citation counts:   Cited 8 times in TR Web of Science Cited 0 times in Scopus Search Google Scholar Access Statistics: 8 Abstract Views  -  Detailed Statistics Created: Fri, 16 Oct 2020, 17:04:26 EST

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