Photocatalytic Oxidation for Determination of Chemical Oxygen Demand Using Nano‐TiO 2 Film
A photocatalytic oxidation method for determination of chemical oxygen demand (COD) using nano‐TiO 2 film, based on the use of a nano‐TiO 2 ‐Ce(SO 4 ) 2 system and electrochemical detection, was proposed. The technique was originated from the direct determination of the Ce(III) concentration change...
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| Veröffentlicht in: | Chinese journal of chemistry 2005-10, Vol.23 (10), p.1425-1429 |
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| container_title | Chinese journal of chemistry |
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| creator | Ding, Hong‐Chun Chai, Yi‐Hao Zhang, Zhong‐Hai Liu, Mei‐Chuan Xian, Yue‐Zhong Pan, Zhen‐Sheng Jin, Li‐Tong |
| description | A photocatalytic oxidation method for determination of chemical oxygen demand (COD) using nano‐TiO
2
film, based on the use of a nano‐TiO
2
‐Ce(SO
4
)
2
system and electrochemical detection, was proposed. The technique was originated from the direct determination of the Ce(III) concentration change resulting from photocatalytic oxidation of organic compounds. Ce(III), which was produced by photocatalytic reduction of Ce(SO
4
)
2
, could be measured at a multi‐walled carbon nanotubes (MWNT) chemically modified electrode (CME). The COD values by this method were calculated from the differential pulse voltammetry (DPV) current of Ce(III) at the CME. Under the optimal operation conditions, the detection limit of 0.5 mg·L
−1
COD with the linear range of 1–600 mg·L
−1
was achieved. This method was also applied to determination of various COD of ground water and wastewater samples. The results were in good agreement with those from the conventional COD methods,
i.e
., permanganate and dichromate ones. |
| doi_str_mv | 10.1002/cjoc.200591425 |
| format | Article |
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2
film, based on the use of a nano‐TiO
2
‐Ce(SO
4
)
2
system and electrochemical detection, was proposed. The technique was originated from the direct determination of the Ce(III) concentration change resulting from photocatalytic oxidation of organic compounds. Ce(III), which was produced by photocatalytic reduction of Ce(SO
4
)
2
, could be measured at a multi‐walled carbon nanotubes (MWNT) chemically modified electrode (CME). The COD values by this method were calculated from the differential pulse voltammetry (DPV) current of Ce(III) at the CME. Under the optimal operation conditions, the detection limit of 0.5 mg·L
−1
COD with the linear range of 1–600 mg·L
−1
was achieved. This method was also applied to determination of various COD of ground water and wastewater samples. The results were in good agreement with those from the conventional COD methods,
i.e
., permanganate and dichromate ones.</description><identifier>ISSN: 1001-604X</identifier><identifier>EISSN: 1614-7065</identifier><identifier>DOI: 10.1002/cjoc.200591425</identifier><language>eng</language><ispartof>Chinese journal of chemistry, 2005-10, Vol.23 (10), p.1425-1429</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c845-c554094818e837f88efd0d7936531d4421500f985806a36cf2b016dcc36ebc703</citedby><cites>FETCH-LOGICAL-c845-c554094818e837f88efd0d7936531d4421500f985806a36cf2b016dcc36ebc703</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Ding, Hong‐Chun</creatorcontrib><creatorcontrib>Chai, Yi‐Hao</creatorcontrib><creatorcontrib>Zhang, Zhong‐Hai</creatorcontrib><creatorcontrib>Liu, Mei‐Chuan</creatorcontrib><creatorcontrib>Xian, Yue‐Zhong</creatorcontrib><creatorcontrib>Pan, Zhen‐Sheng</creatorcontrib><creatorcontrib>Jin, Li‐Tong</creatorcontrib><title>Photocatalytic Oxidation for Determination of Chemical Oxygen Demand Using Nano‐TiO 2 Film</title><title>Chinese journal of chemistry</title><description>A photocatalytic oxidation method for determination of chemical oxygen demand (COD) using nano‐TiO
2
film, based on the use of a nano‐TiO
2
‐Ce(SO
4
)
2
system and electrochemical detection, was proposed. The technique was originated from the direct determination of the Ce(III) concentration change resulting from photocatalytic oxidation of organic compounds. Ce(III), which was produced by photocatalytic reduction of Ce(SO
4
)
2
, could be measured at a multi‐walled carbon nanotubes (MWNT) chemically modified electrode (CME). The COD values by this method were calculated from the differential pulse voltammetry (DPV) current of Ce(III) at the CME. Under the optimal operation conditions, the detection limit of 0.5 mg·L
−1
COD with the linear range of 1–600 mg·L
−1
was achieved. This method was also applied to determination of various COD of ground water and wastewater samples. The results were in good agreement with those from the conventional COD methods,
i.e
., permanganate and dichromate ones.</description><issn>1001-604X</issn><issn>1614-7065</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNo9kM1KxDAYRYMoOI5uXecFWr_8Nl1KdVQYrIsKLoSSSZOZDG0jTRd25yP4jD6JHUZc3cvlcBcHoWsCKQGgN2YfTEoBRE44FSdoQSThSQZSnM4dgCQS-Ns5uohxP_NZRuUCvb_swhiMHnU7jd7g8tM3evShxy4M-M6Oduh8f1yCw8XOdt7oduamre1noNN9g1-j77f4Wffh5-u78iWmeOXb7hKdOd1Ge_WXS1St7qviMVmXD0_F7ToxiovECMEh54ooq1jmlLKugSbLmRSMNJxTIgBcroQCqZk0jm6AyMYYJu3GZMCWKD3emiHEOFhXfwy-08NUE6gPauqDmvpfDfsFsmxXwQ</recordid><startdate>200510</startdate><enddate>200510</enddate><creator>Ding, Hong‐Chun</creator><creator>Chai, Yi‐Hao</creator><creator>Zhang, Zhong‐Hai</creator><creator>Liu, Mei‐Chuan</creator><creator>Xian, Yue‐Zhong</creator><creator>Pan, Zhen‐Sheng</creator><creator>Jin, Li‐Tong</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>200510</creationdate><title>Photocatalytic Oxidation for Determination of Chemical Oxygen Demand Using Nano‐TiO 2 Film</title><author>Ding, Hong‐Chun ; Chai, Yi‐Hao ; Zhang, Zhong‐Hai ; Liu, Mei‐Chuan ; Xian, Yue‐Zhong ; Pan, Zhen‐Sheng ; Jin, Li‐Tong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c845-c554094818e837f88efd0d7936531d4421500f985806a36cf2b016dcc36ebc703</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ding, Hong‐Chun</creatorcontrib><creatorcontrib>Chai, Yi‐Hao</creatorcontrib><creatorcontrib>Zhang, Zhong‐Hai</creatorcontrib><creatorcontrib>Liu, Mei‐Chuan</creatorcontrib><creatorcontrib>Xian, Yue‐Zhong</creatorcontrib><creatorcontrib>Pan, Zhen‐Sheng</creatorcontrib><creatorcontrib>Jin, Li‐Tong</creatorcontrib><collection>CrossRef</collection><jtitle>Chinese journal of chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ding, Hong‐Chun</au><au>Chai, Yi‐Hao</au><au>Zhang, Zhong‐Hai</au><au>Liu, Mei‐Chuan</au><au>Xian, Yue‐Zhong</au><au>Pan, Zhen‐Sheng</au><au>Jin, Li‐Tong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Photocatalytic Oxidation for Determination of Chemical Oxygen Demand Using Nano‐TiO 2 Film</atitle><jtitle>Chinese journal of chemistry</jtitle><date>2005-10</date><risdate>2005</risdate><volume>23</volume><issue>10</issue><spage>1425</spage><epage>1429</epage><pages>1425-1429</pages><issn>1001-604X</issn><eissn>1614-7065</eissn><abstract>A photocatalytic oxidation method for determination of chemical oxygen demand (COD) using nano‐TiO
2
film, based on the use of a nano‐TiO
2
‐Ce(SO
4
)
2
system and electrochemical detection, was proposed. The technique was originated from the direct determination of the Ce(III) concentration change resulting from photocatalytic oxidation of organic compounds. Ce(III), which was produced by photocatalytic reduction of Ce(SO
4
)
2
, could be measured at a multi‐walled carbon nanotubes (MWNT) chemically modified electrode (CME). The COD values by this method were calculated from the differential pulse voltammetry (DPV) current of Ce(III) at the CME. Under the optimal operation conditions, the detection limit of 0.5 mg·L
−1
COD with the linear range of 1–600 mg·L
−1
was achieved. This method was also applied to determination of various COD of ground water and wastewater samples. The results were in good agreement with those from the conventional COD methods,
i.e
., permanganate and dichromate ones.</abstract><doi>10.1002/cjoc.200591425</doi><tpages>5</tpages></addata></record> |
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| identifier | ISSN: 1001-604X |
| ispartof | Chinese journal of chemistry, 2005-10, Vol.23 (10), p.1425-1429 |
| issn | 1001-604X 1614-7065 |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| title | Photocatalytic Oxidation for Determination of Chemical Oxygen Demand Using Nano‐TiO 2 Film |
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