Record Display for the EPA National Library Catalog


Main Title Analysis of Sulfur in Soil, Plant and Sediment Materials: Sample Handling and Use of an Automated Analyzer.
Author David, M. B. ; Mithcell, M. J. ; Aldcorn, D. ; Harrison, R. B. ;
CORP Author Illinois Univ. at Urbana-Champaign. Dept. of Forestry. ;Washington Univ., Seattle. Coll. of Forest Resources. ;State Univ. of New York Coll. of Environmental Science and Forestry, Syracuse.;Corvallis Environmental Research Lab., OR.
Publisher c1989
Year Published 1989
Report Number EPA-R-813572; EPA/600/J-89/108;
Stock Number PB90-108457
Additional Subjects Soil chemistry ; Sulfur ; Quantitative analysis ; Analyzers ; Soil tests ; Plants(Botany) ; Sediments ; Calibrating ; Freeze drying ; Reprints ;
Library Call Number Additional Info Location Last
NTIS  PB90-108457 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 7p
Methods for analyzing soil, vegetation and sediment samples for total sulfur (S) and handling solid samples for analysis of S constituents were examined. A LECO automated total S analyzer (SC-132) was used for the analysis of vegetation, sediments and soil samples. Results from the LECO analyzer compared favorably with other currently used total S techniques such as alkaline oxidation. Calibrating the instrument on soil or vegetation standards using two combustion accelerators improved accuracy and recovery. The upper 99% confidence interval RSD values for duplicate samples using the LECO analyzer were <15% for mineral soil, <8% for forest floor and <3% for sediment samples. Sample analysis takes <3 min and provides a direct readout of the total S value. Freeze-drying soil samples caused minor changes (<15%) in S constituent analyses (Zn-HCl reduction, HI-S and extractable sulfate) when compared to fresh (field moist, refrigerated) samples. Oven-drying at 65 C caused greater changes in soils than freeze-drying, primarily in extractable sulfate. (Copyright (c) 1989 Pergamon Press.)