HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Abstract Full Text Free Full Text (PDF) Free Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Similar articles in ISI Web of Science Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via ISI Web of Science (16) Citing Articles via Google Scholar Google Scholar Articles by Stewart, M. A. Articles by McKay, L. D. Search for Related Content PubMed PubMed Citation Articles by Stewart, M. A. Articles by McKay, L. D. GeoRef GeoRef Citation Agricola Articles by Stewart, M. A. Articles by McKay, L. D. Related Collections Bioremediation and Biodegradation Heavy Metals Soil Pollution Soil Chemistry

Influence of Soil Geochemical and Physical Properties on the Sorption and Bioaccessibility of Chromium(III)

^a Environ. Sci. Div., Oak Ridge, TN 37831-6038
^b Dep. of Civil Engineering, 208 Harbert Engineering Center, Auburn Univ., AL 36849-5337
^c Dep. of Geological Sciences, Univ. of Tennessee, Knoxville, TN 37996-1410

View larger version (50K): [in a new window]   Fig. 1. Percentage Cr(III) bioaccessibility after 1 and 100 d Cr-soil aging for (a) Ulitisols; (b) Alfisols; (c) Inceptisols; (d) Spodosols, Mollisols, Entisols; and (e) Aridisols.

View larger version (55K): [in a new window]   Fig. 2. The observed (data points) and model fitted (grid surface) relationship between the two most significant independent variables (% clay and TIC) and % Cr(III) bioaccessibility using the model: % Cr(III) bioaccessible = 16.02 + (0.426 x % clay) - (9.56 x % TIC) an r2 value of 0.722.

View larger version (55K): [in a new window]   Fig. 3. The observed (data points) and model fitted (grid surface) relationship between the two independent variables (% clay and TOC) and % Cr(III) bioaccessibility using the model: % Cr(III) bioaccessible = 15.54 + (0.408 x % clay) - (3.78 x % TOC) with an r2 value of 0.674.