- A clean-up method by photocatalysis for HPLC analysis of iprodione in dry basil.
A clean-up method by photocatalysis for HPLC analysis of iprodione in dry basil.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry (2008-08-12)
Osamu Maeda, Chie Oikawa, Nobuo Shiomi, Akira Toriba, Kazuichi Hayakawa
PMID18689949
ABSTRACT
Titanium dioxide was used as a photocatalyst to decompose interfering substances for a quantitative analysis of a fungicide (iprodione) in dry basil by HPLC. A quartz vial containing basil extract and titanium dioxide was irradiated with black light. The interfering substances were almost completely decomposed by 180 min of irradiation, whereas 88.3% of iprodione remained. The recovery of iprodione was 102.6% by the proposed method in basil extracts. This may have been due to different decomposition rates of the analyte and interfering substances.