Effects of selected metal ions on photodegradation of organophosphorus pesticides sensitized by humic acids

Chemosphere

Volumn 45, Issue 3, 2001, Pages 231-235

  Kamiya, Mamoru ^a   Kameyama, Katsura ^a  

^a UNIVERSITY OF SHIZUOKA   (Japan)

Author keywords

Fluorescence quenching; Humic acids; Paramagnetic metal ions; Pesticide photodegradation; Radical scavenging; Rate retardation

Indexed keywords

FLUORESCENCE; METALS; ORGANIC ACIDS; ORGANIC COMPOUNDS; PARAMAGNETISM; PESTICIDES; PHOSPHORUS; SCAVENGING;

RADICAL SCAVENGING;

PHOTODEGRADATION;

CHROMIUM; COBALT; COPPER ION; HUMIC ACID; MANGANESE; METAL ION; ORGANOPHOSPHATE INSECTICIDE;

ATMOSPHERIC CHEMISTRY; ATMOSPHERIC POLLUTION; DEGRADATION; HUMIC ACID; PESTICIDE; PHOTOCHEMISTRY;

ARTICLE; CHEMICAL REACTION KINETICS; FLUORESCENCE; PHOTODEGRADATION; SCAVENGING SYSTEM;

HUMIC SUBSTANCES; INSECTICIDES; IONS; METALS; ORGANOPHOSPHORUS COMPOUNDS; PHOTOCHEMISTRY; WATER POLLUTANTS, CHEMICAL;

EID: 0034847931     PISSN: 00456535     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0045-6535(00)00573-7     Document Type: Article

References (17)

1. Degradation of humic material by ultraviolet light
2. Photophysical and photochemical properties of soil and aquatic humic substances
3. Sunlight-induced photochemistry of humic substances in natural water
4. Application of water nuclear resonance relaxation times to study of metal complexes of the soluble soil organic fraction fulvic acid
5. Photochemical aspects related to humic substances
6. Stability spectra for the description of copper-humic complexes. A fluorescence quench study
7. Laser flash photolysis of dissolved aquatic humic material and the sensitized production of singlet oxygen
8. Photochemical degradation of pesticides in the presence of humic and fulvic acids
9. Photochemical effects of humic substances on the degradation of organophosphorus pesticides
10. Studies on the degradation of organophosphorus pesticides in pure and river waters
11. Comparative radical scavenging ability of bidentate iron (III) chelates
12. Photochemical aging of humic substances
13. 2+ binding to fulvic acids as measured by fluorescence quenching
14. Manganese (II) complexes with orotic acid derivatives as scavengers of superoxide radical
15. Hydroxyl radical scavenging by carnosine and Cu(II)-carnosine complexes: A pulse-radiolysis and spectroscopic study
16. Environmental photoprocesses involving natural organic matters
17. Comparison of photochemical behavior of various humic substances in water