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  • Lanthanide oxide-doped titanium dioxide photocatalysts: novel photocatalysts for the enhanced degradation of p-chlorophenoxyacetic acid.

Lanthanide oxide-doped titanium dioxide photocatalysts: novel photocatalysts for the enhanced degradation of p-chlorophenoxyacetic acid.

Environmental science & technology (2001-05-12)
K T Ranjit, I Willner, S H Bossmann, A M Braun
ABSTRACT

The photocatalytic degradation of p-chlorophenoxyacetic acid has been investigated in oxygenated aqueous suspensions of lanthanide oxide-doped TiO2 photocatalysts. Complete mineralization was achieved. The enhanced degradation is attributed to the formation of Lewis acid-base complex between the lanthanide ion and the substrate.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
4-Chlorophenoxyacetic acid, ≥98.0% (T)
Supelco
4-Chlorophenoxyacetic acid, PESTANAL®, analytical standard
Sigma-Aldrich
4-Chlorophenoxyacetic acid, BioReagent, suitable for plant cell culture, crystalline