Predstavljeni so najpomembnejši načini razgradnje organofosfatnih pesticidov insorodnih spojin, ki vključujejo hidrolizo, oksidacijo pod vplivom svetlobe in lasersko inducirano fotooksidacijo v ...vodnem mediju ob prisotnosti TiO[sub]2in H[sub]2 O[sub]2. Najnovejše raziskave na tem področju za primer diazinona kažejo, da v območju koncentracij, ki jih opredeljuje topnost pesticida (40 mg/L) lahko dosežemo kvantitativno razgradnjo pesticida v volumnu 1 mL z dovajanjem energije 120 mJ laserske svetlobe pri 308 nm. Z dodatkom vodikovega peroksida in titanovega(IV) oksida pa dosežemo primerljivoučinkovitost že z manjšimi energijami. Pri tem se diazinon pretvori v 2-izopropil-6-metil-4-pirimidinol brez vmesnega nastanka bolj toksičnega diazoksona. Ta pretvorba vključuje oksidacijo žveplovega atoma v sulfatni anion.
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