Effective UV photolytic decomposition of organic compounds with a low-pressure mercury lamp as pretreatment for voltammetric analysis of trace metals
Identifieur interne : 000120 ( Main/Exploration ); précédent : 000119; suivant : 000121Effective UV photolytic decomposition of organic compounds with a low-pressure mercury lamp as pretreatment for voltammetric analysis of trace metals
Auteurs : RBID : ISTEX:216_1995_Article_BF00323071.pdfAbstract
The effectivity of UV irradiation with low and high pressure mercury (L-Hg and H-Hg) lamps on the decomposition of organic compounds in aqueous solutions, as pretreatment for the voltammetric determination of trace metals, is compared. The photolytic decomposition with the L-Hg lamp was much faster than with the H-Hg lamp. The higher efficiency of the L-Hg lamp is caused by its greater light intensity at short wavelengths. Interferences of organic compounds on the voltammetric determination of nickel and indium were eliminated successfully by ∼90 min irradiation with the L-Hg lamp. Humic acid and organic interference with the voltammetric determination of nickel in natural river water were successfully eliminated. The decomposition using the L-Hg lamp can be carried out without added oxidizing reagents and at room temperature, thus eliminating loss of water samples by evaporation at higher temperature.
DOI: 10.1007/BF00323071
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G. van den Berg</name><affiliation wicri:level="1"><mods:affiliation>Oceanography Laboratory, University of Liverpool, L69 3BX, Liverpool, United Kingdom</mods:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Oceanography Laboratory, University of Liverpool, L69 3BX, Liverpool</wicri:regionArea><wicri:noRegion>Liverpool</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="RBID">ISTEX:216_1995_Article_BF00323071.pdf</idno><date when="1995">1995</date><idno type="doi">10.1007/BF00323071</idno><idno type="wicri:Area/Main/Corpus">000B75</idno><idno type="wicri:Area/Main/Curation">000B75</idno><idno type="wicri:Area/Main/Exploration">000120</idno></publicationStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="eng">The effectivity of UV irradiation with low and high pressure mercury (L-Hg and H-Hg) lamps on the decomposition of organic compounds in aqueous solutions, as pretreatment for the voltammetric determination of trace metals, is compared. The photolytic decomposition with the L-Hg lamp was much faster than with the H-Hg lamp. The higher efficiency of the L-Hg lamp is caused by its greater light intensity at short wavelengths. Interferences of organic compounds on the voltammetric determination of nickel and indium were eliminated successfully by ∼90 min irradiation with the L-Hg lamp. Humic acid and organic interference with the voltammetric determination of nickel in natural river water were successfully eliminated. The decomposition using the L-Hg lamp can be carried out without added oxidizing reagents and at room temperature, thus eliminating loss of water samples by evaporation at higher temperature.</div></front></TEI><mods xsi:schemaLocation="http://www.loc.gov/mods/v3 file:///applis/istex/home/loadistex/home/etc/xsd/mods.xsd" version="3.4" istexId="ce730b1c787b5972c4d741fb8e5e1e9a5c3a1429"><titleInfo lang="eng"><title>Effective UV photolytic decomposition of organic compounds with a low-pressure mercury lamp as pretreatment for voltammetric analysis of trace metals</title></titleInfo><name type="personal"><namePart type="given">Kunihiko</namePart><namePart type="family">Yokoi</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Division of Natural Science, Osaka Kyoiku University, Kashiwara, 582, Osaka, Japan</affiliation></name><name type="personal"><namePart type="given">Toyomi</namePart><namePart type="family">Tomisaki</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Division of Natural Science, Osaka Kyoiku University, Kashiwara, 582, Osaka, Japan</affiliation></name><name type="personal"><namePart type="given">Tsutomu</namePart><namePart type="family">Koide</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Division of Natural Science, Osaka Kyoiku University, Kashiwara, 582, Osaka, Japan</affiliation></name><name type="personal"><namePart type="given">Constant M. G.</namePart><namePart type="family">van den Berg</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Oceanography Laboratory, University of Liverpool, L69 3BX, Liverpool, United Kingdom</affiliation></name><typeOfResource>text</typeOfResource><genre>Original Papers</genre><genre>Original Paper</genre><originInfo><publisher>Springer-Verlag, Berlin/Heidelberg</publisher><dateCreated encoding="w3cdtf">1994-09-19</dateCreated><dateCaptured encoding="w3cdtf">1995-01-05</dateCaptured><dateValid encoding="w3cdtf">2004-08-27</dateValid><copyrightDate encoding="w3cdtf">1995</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="eng">The effectivity of UV irradiation with low and high pressure mercury (L-Hg and H-Hg) lamps on the decomposition of organic compounds in aqueous solutions, as pretreatment for the voltammetric determination of trace metals, is compared. The photolytic decomposition with the L-Hg lamp was much faster than with the H-Hg lamp. The higher efficiency of the L-Hg lamp is caused by its greater light intensity at short wavelengths. Interferences of organic compounds on the voltammetric determination of nickel and indium were eliminated successfully by ∼90 min irradiation with the L-Hg lamp. Humic acid and organic interference with the voltammetric determination of nickel in natural river water were successfully eliminated. The decomposition using the L-Hg lamp can be carried out without added oxidizing reagents and at room temperature, thus eliminating loss of water samples by evaporation at higher temperature.</abstract><relatedItem type="series"><titleInfo type="abbreviated"><title>Fresenius J Anal Chem</title></titleInfo><titleInfo><title>Fresenius' Journal of Analytical Chemistry</title><partNumber>Year: 1995</partNumber><partNumber>Volume: 352</partNumber><partNumber>Number: 6</partNumber></titleInfo><genre>Archive Journal</genre><originInfo><dateIssued encoding="w3cdtf">1995-01-01</dateIssued><copyrightDate encoding="w3cdtf">1995</copyrightDate></originInfo><subject usage="primary"><topic>Chemistry</topic><topic>Analytical Chemistry</topic><topic>Food Science</topic><topic>Inorganic Chemistry</topic><topic>Physical Chemistry</topic><topic>Monitoring/Environmental Analysis/Environmental Ecotoxicology</topic></subject><identifier type="issn">0937-0633</identifier><identifier type="issn">Electronic: 1432-1130</identifier><identifier type="matrixNumber">216</identifier><identifier type="local">IssueArticleCount: 23</identifier><recordInfo><recordOrigin>Springer-Verlag, 1995</recordOrigin></recordInfo></relatedItem><identifier type="doi">10.1007/BF00323071</identifier><identifier type="matrixNumber">Art3</identifier><identifier type="local">BF00323071</identifier><accessCondition type="use and reproduction">MetadataGrant: OpenAccess</accessCondition><accessCondition type="use and reproduction">AbstractGrant: OpenAccess</accessCondition><accessCondition type="restriction on access">BodyPDFGrant: Restricted</accessCondition><accessCondition type="restriction on access">BodyHTMLGrant: Restricted</accessCondition><accessCondition type="restriction on access">BibliographyGrant: Restricted</accessCondition><accessCondition type="restriction on access">ESMGrant: Restricted</accessCondition><part><extent unit="pages"><start>547</start><end>549</end></extent></part><recordInfo><recordOrigin>Springer-Verlag, 1995</recordOrigin><recordIdentifier>216_1995_Article_BF00323071.pdf</recordIdentifier></recordInfo></mods></record>Pour manipuler ce document sous Unix (Dilib)
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