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RECORD NUMBER: 7 OF 35

OLS Field Name OLS Field Data
Main Title Development of a Statistical Model for Metal-Humic Interactions.
Author Susetyo, W. ; Dobbs, J. C. ; Carreira, L. A. ; Azarraga, L. V. ; Grimm., D. M. ;
CORP Author Georgia Univ., Athens. Dept. of Chemistry.;Environmental Research Lab., Athens, GA.;National Research Council, Washington, DC.
Publisher c1990
Year Published 1990
Report Number EPA/600/J-90/246;
Stock Number PB91-116921
Additional Subjects Humic acids ; Chemical bonds ; Metals ; Protons ; Water pollution ; Mathematical models ; Cations ; Reprints ; Ion probes ; Gauss function ; Fluorescence spectroscopy ; Titration
Holdings
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Status
NTIS  PB91-116921 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 03/04/1991
Collation 10p
Abstract A statistical model for describing the distribution of binding sites in humic substances was developed. The model was applied to study the spectral titration plot generated by the lanthanide ion probe spectroscopy (LIPS) technique. This titration plot is used as a basis for studying the interactions between metal ions and humic binding sites. Humic samples were titrated with Eu(3+), which acts as the fluorescent probe ion. The competition effects between a proton, a metal ion other than the probe ion, and the probe ion itself in binding with the humic binding sites, as well as the electrostatic effects, are successfully predicted and described by the model (Copyright (c) 1990 American Chemical Society.)
Supplementary Notes Pub. in Analytical Chemistry, v62 p1215-1221 Jul 90. Portions of this document are not fully legible. Sponsored by Environmental Research Lab., Athens, GA., and National Research Council, Washington, DC.
NTIS Title Notes Journal article.
Title Annotations Reprint: Development of a Statistical Model for Metal-Humic Interactions.
Category Codes 99F; 99A; 68D
NTIS Prices PC A02/MF A01
Primary Description 600/01
Document Type NT
Cataloging Source NTIS/MT
Control Number 036523315
Origin NTIS
Type CAT