TY  - JOUR
AU  - Li, C.L.
AU  - Berns, A.E.
AU  - Schaffer, A.
AU  - Sequaris, J.M.
AU  - Vereecken, H.
AU  - Ji, R.
AU  - Klumpp, E.
TI  - Effect of structural composition of humic acids on the sorption of a branched nonylphenol isomer
JO  - Chemosphere
VL  - 84
SN  - 0045-6535
CY  - Amsterdam [u.a.]
PB  - Elsevier Science
M1  - PreJuSER-16413
SP  - 409 - 414
PY  - 2011
N1  - Chengliang Li was supported by a scholarship from the Deutscher Akademischer Austausch Dienst (DAAD). This study was financed by the National Natural Science Foundation of China (Project Nos.: 20777033 and 20977043). We thank Mr. Jun Shan and Mr. Xuesen Bian for their kind help in sampling sediments from the Yangtze River.
AB  - By using dialysis equilibrium experiments, the sorption of a branched nonylphenol isomer [4-(1-ethyl-1,3-dimethylpentyl)-phenol] (NP111) on various humic acids (HAs) isolated from river sediments and two reference HAs was studied. The HAs were characterized by solid-state (13)C direct polarization/magic angle spinning nuclear magnetic resonance ((13)C DP/MAS NMR) spectroscopy. Sorption isotherms of NP111 on HAs were described by a linear model. The organic carbon-normalized sorption coefficient (K(OC)) ranged from 2.3×10(3) to 1.5×10(4)Lkg(-1). Interestingly, a clear correlation between K(OC) value and alkyl C content was observed, indicating that the aliphaticity of HAs markedly dominates the sorption of NP111. These new mechanistic insights about the NP111 sorption indicate that the fate of nonylphenols in soil or sediment depends not only on the content of HA, but also on its structural composition.
KW  - Adsorption
KW  - Geologic Sediments: chemistry
KW  - Humic Substances
KW  - Isomerism
KW  - Linear Models
KW  - Magnetic Resonance Spectroscopy
KW  - Models, Chemical
KW  - Molecular Structure
KW  - Phenols: chemistry
KW  - Water Pollutants, Chemical: chemistry
KW  - Humic Substances (NLM Chemicals)
KW  - Phenols (NLM Chemicals)
KW  - Water Pollutants, Chemical (NLM Chemicals)
KW  - nonylphenol (NLM Chemicals)
KW  - J (WoSType)
LB  - PUB:(DE-HGF)16
C6  - pmid:21524780
UR  - <Go to ISI:>//WOS:000292716000007
DO  - DOI:10.1016/j.chemosphere.2011.03.057
UR  - https://juser.fz-juelich.de/record/16413
ER  -