TiO₂ 고정화 물질은 Titanium tetraisopropoxide-isopropanol 용액에 제오라이트와 glass filter를 담지한 후, 이것을 공기중에 건조시켜 500℃에서 소결하여 얻었다. Chlorothalnoil 분석은 ECD가 부착된 가스크로마토그래피로 분석하였다. Chlorothalnoil에 대한 분해효율은 TiO₂로 지지된 광촉매가 효과적이었고, 3시간 후 완전히 분해되었다. 반응생성물들은 TiO₂로 지지된 제오라이트에서는 Cl^-가 5.0ppm, TiO₂로 지지된 glass filter에서는 Cl^-가 7.5ppm,그리고 TiO₂분말에서는 Cl^-가 2.Oppm 각각 생성되었다. 그러나, CN^-는 지지체의 종류에 관계없이 검출한계이하였다.

TiO₂ was dispersed in zeolite and glass filter by soaking them in isopropanol solution of titanium tetraisopropoxide and drying in the air, followed by calcination at 500℃. The analysis of chlorothalnoil was carried out by gas chromatograph with an electron capture detector. Chlorothalnoil was degraded photocatalytically over the matrix-supported TiO₂efficiently and could be completely photodegraded after 3hrs. Production were 5.0ppm of Cl^- for TiO₂ supported zeolite, 7.5ppm of Cl- for TiO₂ supported glass filter and 2.0ppm of Cl^- for TiO₂ powder. But, CN^- was lower than the detection limit irrespective of matrices.