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TiO2 Nanotube Sensor for Online Chemical Oxygen Demand Determination in Conjunction with Flow Injection Technique
A simple, rapid and environmental friendly online chemical oxygen demand (COD) analytical method based on TiO2 nanotube sensor in conjunction with the flow injection technique was proposed to determine the COD of aqueous samples, especially for refractory organics, low‐concentration wastewater, and surface water. The new method can overcome the drawbacks of the conventional COD determination methods. The results show that with the new method, each analysis takes only about 1 to 3 min, the linear range is up to 1 to 500 mg·L−1 of the compound of interest, and the detection limit is 1 mg·L−1. The COD values obtained by the proposed method are more accurate than those obtained by the conventional method.
TiO2 Nanotube Sensor for Online Chemical Oxygen Demand Determination in Conjunction with Flow Injection Technique
A simple, rapid and environmental friendly online chemical oxygen demand (COD) analytical method based on TiO2 nanotube sensor in conjunction with the flow injection technique was proposed to determine the COD of aqueous samples, especially for refractory organics, low‐concentration wastewater, and surface water. The new method can overcome the drawbacks of the conventional COD determination methods. The results show that with the new method, each analysis takes only about 1 to 3 min, the linear range is up to 1 to 500 mg·L−1 of the compound of interest, and the detection limit is 1 mg·L−1. The COD values obtained by the proposed method are more accurate than those obtained by the conventional method.
TiO2 Nanotube Sensor for Online Chemical Oxygen Demand Determination in Conjunction with Flow Injection Technique
Li, Xuejin (author) / Yin, Weiping (author) / Li, Jianyong (author) / Bai, Jing (author) / Huang, Ke (author) / Li, Jinhua (author) / Zhou, Baoxue (author)
Water Environment Research ; 86 ; 532-539
2014-06-01
8 pages
Article (Journal)
Electronic Resource
English
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