Photochemical reaction of Tl in aqueous solution and its environmental significance
The valence state of thallium determines its toxicity, distribution and mobility. Tl(I) can be oxidized to Tl(III) under photoirradiation of the high-pressure mercury arc lamp and solar light. A photooxidation experiment of thallium showed that the photooxidation rate could be affected by the pH of...
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| Veröffentlicht in: | GEOCHEMICAL JOURNAL 2005, Vol.39(2), pp.113-119 |
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| container_title | GEOCHEMICAL JOURNAL |
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| creator | Li, Dexian Gao, Zhenmin Zhu, Yongxuan Yu, Yunmei Wang, Hua |
| description | The valence state of thallium determines its toxicity, distribution and mobility. Tl(I) can be oxidized to Tl(III) under photoirradiation of the high-pressure mercury arc lamp and solar light. A photooxidation experiment of thallium showed that the photooxidation rate could be affected by the pH of the solution, and the intensity and wavelength of the light source. Lowering the pH and increasing the light intensity have the effect of increasing the photooxidation rate. UV radiation (UVB and UVC regions) plays an important role in the photooxidation of Tl(I). However, the microbial effect is not obvious in comparison with photooxidation effect in this experiment. The study can provide important scientific groundwork for handling of thallium pollution. |
| doi_str_mv | 10.2343/geochemj.39.113 |
| format | Article |
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Tl(I) can be oxidized to Tl(III) under photoirradiation of the high-pressure mercury arc lamp and solar light. A photooxidation experiment of thallium showed that the photooxidation rate could be affected by the pH of the solution, and the intensity and wavelength of the light source. Lowering the pH and increasing the light intensity have the effect of increasing the photooxidation rate. UV radiation (UVB and UVC regions) plays an important role in the photooxidation of Tl(I). However, the microbial effect is not obvious in comparison with photooxidation effect in this experiment. The study can provide important scientific groundwork for handling of thallium pollution.</description><identifier>ISSN: 0016-7002</identifier><identifier>EISSN: 1880-5973</identifier><identifier>DOI: 10.2343/geochemj.39.113</identifier><language>eng</language><publisher>GEOCHEMICAL SOCIETY OF JAPAN</publisher><subject>Hg arc light ; light intensity ; photooxidation ; Tlt</subject><ispartof>GEOCHEMICAL JOURNAL, 2005, Vol.39(2), pp.113-119</ispartof><rights>2005 by The Geochemical Society of Japan</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a558t-7eb44529e97956769b4f76b2c2e1868f7b35cfe3c7778eb117bb1982b0a5fb183</citedby><cites>FETCH-LOGICAL-a558t-7eb44529e97956769b4f76b2c2e1868f7b35cfe3c7778eb117bb1982b0a5fb183</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1883,4024,27923,27924,27925</link.rule.ids></links><search><creatorcontrib>Li, Dexian</creatorcontrib><creatorcontrib>Gao, Zhenmin</creatorcontrib><creatorcontrib>Zhu, Yongxuan</creatorcontrib><creatorcontrib>Yu, Yunmei</creatorcontrib><creatorcontrib>Wang, Hua</creatorcontrib><title>Photochemical reaction of Tl in aqueous solution and its environmental significance</title><title>GEOCHEMICAL JOURNAL</title><addtitle>Geochem. J.</addtitle><description>The valence state of thallium determines its toxicity, distribution and mobility. Tl(I) can be oxidized to Tl(III) under photoirradiation of the high-pressure mercury arc lamp and solar light. A photooxidation experiment of thallium showed that the photooxidation rate could be affected by the pH of the solution, and the intensity and wavelength of the light source. Lowering the pH and increasing the light intensity have the effect of increasing the photooxidation rate. UV radiation (UVB and UVC regions) plays an important role in the photooxidation of Tl(I). However, the microbial effect is not obvious in comparison with photooxidation effect in this experiment. The study can provide important scientific groundwork for handling of thallium pollution.</description><subject>Hg arc light</subject><subject>light intensity</subject><subject>photooxidation</subject><subject>Tlt</subject><issn>0016-7002</issn><issn>1880-5973</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNpVkE1PAyEURYnRxFpdu-UPTAvDMMDS1I-aNNHEup4APlqaKShQE_-9Y6tN3Ly3uPfcxUHompJJzRo2XUG0a9huJkxNKGUnaESlJBVXgp2iESG0rQQh9Tm6yHlDCGsUlyP08ryOZQ96q3ucQNviY8DR4WWPfcD6Ywdxl3GO_W6f6PCGfckYwqdPMWwhlAHMfhW8GzaChUt05nSf4er3j9Hr_d1yNq8WTw-Ps5tFpTmXpRJgmobXCpRQvBWtMo0TraltDVS20gnDuHXArBBCgqFUGEOVrA3R3Bkq2RhND7s2xZwTuO49-a1OXx0l3Y-T7s9Jx1Q3OBmI2wOxyUWv4NjXqXjbw79-fTgDdoztWqcOAvsGf91xUA</recordid><startdate>2005</startdate><enddate>2005</enddate><creator>Li, Dexian</creator><creator>Gao, Zhenmin</creator><creator>Zhu, Yongxuan</creator><creator>Yu, Yunmei</creator><creator>Wang, Hua</creator><general>GEOCHEMICAL SOCIETY OF JAPAN</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>2005</creationdate><title>Photochemical reaction of Tl in aqueous solution and its environmental significance</title><author>Li, Dexian ; Gao, Zhenmin ; Zhu, Yongxuan ; Yu, Yunmei ; Wang, Hua</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a558t-7eb44529e97956769b4f76b2c2e1868f7b35cfe3c7778eb117bb1982b0a5fb183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Hg arc light</topic><topic>light intensity</topic><topic>photooxidation</topic><topic>Tlt</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Dexian</creatorcontrib><creatorcontrib>Gao, Zhenmin</creatorcontrib><creatorcontrib>Zhu, Yongxuan</creatorcontrib><creatorcontrib>Yu, Yunmei</creatorcontrib><creatorcontrib>Wang, Hua</creatorcontrib><collection>CrossRef</collection><jtitle>GEOCHEMICAL JOURNAL</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Dexian</au><au>Gao, Zhenmin</au><au>Zhu, Yongxuan</au><au>Yu, Yunmei</au><au>Wang, Hua</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Photochemical reaction of Tl in aqueous solution and its environmental significance</atitle><jtitle>GEOCHEMICAL JOURNAL</jtitle><addtitle>Geochem. J.</addtitle><date>2005</date><risdate>2005</risdate><volume>39</volume><issue>2</issue><spage>113</spage><epage>119</epage><pages>113-119</pages><issn>0016-7002</issn><eissn>1880-5973</eissn><abstract>The valence state of thallium determines its toxicity, distribution and mobility. Tl(I) can be oxidized to Tl(III) under photoirradiation of the high-pressure mercury arc lamp and solar light. A photooxidation experiment of thallium showed that the photooxidation rate could be affected by the pH of the solution, and the intensity and wavelength of the light source. Lowering the pH and increasing the light intensity have the effect of increasing the photooxidation rate. UV radiation (UVB and UVC regions) plays an important role in the photooxidation of Tl(I). However, the microbial effect is not obvious in comparison with photooxidation effect in this experiment. The study can provide important scientific groundwork for handling of thallium pollution.</abstract><pub>GEOCHEMICAL SOCIETY OF JAPAN</pub><doi>10.2343/geochemj.39.113</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| source | J-STAGE Free; Freely Accessible Japanese Titles; EZB-FREE-00999 freely available EZB journals; Free Full-Text Journals in Chemistry |
| subjects | Hg arc light light intensity photooxidation Tlt |
| title | Photochemical reaction of Tl in aqueous solution and its environmental significance |
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