Carbon-13 NMR spectroscopic studies on chemically modified and unmodified synthetic and natural humic acids

Talanta

Volumn 57, Issue 5, 2002, Pages 999-1009

  Sachs, S ^a   Bubner, M ^a   Schmeide, K ^a   Choppin, G R ^b   Heise, K H ^a   Bernhard, G ^a  

^a INSTITUTE OF ION BEAM PHYSICS AND MATERIALS RESEARCH   (Germany)

^b FLORIDA STATE UNIVERSITY   (United States)

Author keywords

13C CP MAS NMR spectroscopy; Carbon 13 labeling; Humic acid; Modification

Indexed keywords

CARBON; CHEMICAL MODIFICATION; ESTERS; HYDROLYSIS; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; PHENOLS; SYNTHESIS (CHEMICAL);

METHYLATION REAGENT;

ORGANIC ACIDS;

CARBON 13; CARBOXYL GROUP; HUMIC ACID; METAL ION; PHENYL GROUP;

ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; CHEMICAL MODIFICATION; CHEMICAL STRUCTURE; HYDROLYSIS; METHYLATION; POLARIZATION; REACTION ANALYSIS; STRUCTURE ANALYSIS; SYNTHESIS;

EID: 0037014616     PISSN: 00399140     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0039-9140(02)00140-6     Document Type: Article

References (27)

1. Acidic functional groups of humic substances
2. Spectroscopic methods (other than NMR) for determining functionality in humic substances
3. NMR Techniques (C, N, and H) in studies of humic substances
4. Application of nuclear magnetic resonance spectroscopy for determining functionality in humic substances
5. 13C NMR spectroscopy techniques to study the interaction of pollutants with humic substances
6. The application of selective chemistry to the NMR analysis of humic substances and coals
7. Magnetic resonance studies of humates and related model compounds
8. Structural investigation of the interaction of Uranium(VI) with modified and unmodified humic substances by EXAFS and FTIR spectroscopy
9. Isolation and characterization of aquatic humic substances from the bog 'Kleiner Kranichsee'