Aggregation studies of humic acid using multiangle laser light scattering

Authors
Manning, TJ Bennett, T Milton, D
Citation
Tj. Manning et al., Aggregation studies of humic acid using multiangle laser light scattering, SCI TOTAL E, 257(2-3), 2000, pp. 171-176
Citations number
28
Categorie Soggetti
Environment/Ecology
Journal title
SCIENCE OF THE TOTAL ENVIRONMENT
ISSN journal
00489697 → ACNP
Volume
257
Issue
2-3
Year of publication
2000
Pages
171 - 176
Database
ISI
SICI code
0048-9697(20000810)257:2-3<171:ASOHAU>2.0.ZU;2-P
Abstract
An aqueous phase study of the naturally occurring dissolved organic carbon humic acid (HA) is performed using multiangle laser light scattering (MALLS ) to measure its RMS radius and average molecular weight. A Zimm plot using Berry Formulism and a second-order fit gave an average molar mass of 1.164 x 10(8) g/mol and an average RMS radius (R-z) of 436.0 +/- 36 nm at 25 deg rees C. (C) 2000 Elsevier Science B.V. All rights reserved.