Flow-Injection Determination of Copper(II) Based on Its Catalytic Effect on the Oxidative Coupling of 3-Methyl-2-benzothiazolinone Hydrazone with N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline in a Micellar Medium
A highly sensitive flow-injection spectrophotometric method has been developed for the determination of copper(II). It is based on the catalytic effect of copper(II) on the oxidative coupling reaction of 3-methyl-2-benzothiazolinone hydrazone with N-ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyani...
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| Veröffentlicht in: | Analytical Sciences 1999, Vol.15(9), pp.835-839 |
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| creator | KAWASHIMA, Takuji ITABASHI, Hideyuki TESHIMA, Norio KURIHARA, Makoto NAKANO, Shigenori |
| description | A highly sensitive flow-injection spectrophotometric method has been developed for the determination of copper(II). It is based on the catalytic effect of copper(II) on the oxidative coupling reaction of 3-methyl-2-benzothiazolinone hydrazone with N-ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline to form a red compound (λmax=525 nm) in the presence of hydrogen peroxide and pyridine as an activator. A higher sensitivity and sampling rate were achieved by adding ben-zyldimethyltetradecylammonium chloride (Zephiramine) as a surfactant to this reaction system. The calibration graph for copper(II) was linear over the range 0.005 - 0.75 ng cm-3 at a rate of 40 samples h-1. The relative standard deviations for ten determinations of 0.5 and 0.05 ng cm-3 were 0.21 and 2.0%, respectively. The proposed method was successfully applied to the determination of copper in pepperbush. |
| doi_str_mv | 10.2116/analsci.15.835 |
| format | Article |
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It is based on the catalytic effect of copper(II) on the oxidative coupling reaction of 3-methyl-2-benzothiazolinone hydrazone with N-ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline to form a red compound (λmax=525 nm) in the presence of hydrogen peroxide and pyridine as an activator. A higher sensitivity and sampling rate were achieved by adding ben-zyldimethyltetradecylammonium chloride (Zephiramine) as a surfactant to this reaction system. The calibration graph for copper(II) was linear over the range 0.005 - 0.75 ng cm-3 at a rate of 40 samples h-1. The relative standard deviations for ten determinations of 0.5 and 0.05 ng cm-3 were 0.21 and 2.0%, respectively. The proposed method was successfully applied to the determination of copper in pepperbush.</description><identifier>ISSN: 0910-6340</identifier><identifier>EISSN: 1348-2246</identifier><identifier>DOI: 10.2116/analsci.15.835</identifier><identifier>CODEN: ANSCEN</identifier><language>eng</language><publisher>Tokyo: The Japan Society for Analytical Chemistry</publisher><subject>Analytical chemistry ; Chemistry ; Copper ; Exact sciences and technology ; Hydrogen peroxide ; Injection ; Spectrometric and optical methods</subject><ispartof>Analytical Sciences, 1999, Vol.15(9), pp.835-839</ispartof><rights>1999 by The Japan Society for Analytical Chemistry</rights><rights>2000 INIST-CNRS</rights><rights>Copyright Japan Science and Technology Agency 1999</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c460t-2df9cb417d2016156fb6407fcc2383260e052e9e08e62bbf5815d1e0845357673</citedby><cites>FETCH-LOGICAL-c460t-2df9cb417d2016156fb6407fcc2383260e052e9e08e62bbf5815d1e0845357673</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,1877,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1227483$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>KAWASHIMA, Takuji</creatorcontrib><creatorcontrib>ITABASHI, Hideyuki</creatorcontrib><creatorcontrib>TESHIMA, Norio</creatorcontrib><creatorcontrib>KURIHARA, Makoto</creatorcontrib><creatorcontrib>NAKANO, Shigenori</creatorcontrib><title>Flow-Injection Determination of Copper(II) Based on Its Catalytic Effect on the Oxidative Coupling of 3-Methyl-2-benzothiazolinone Hydrazone with N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline in a Micellar Medium</title><title>Analytical Sciences</title><description>A highly sensitive flow-injection spectrophotometric method has been developed for the determination of copper(II). It is based on the catalytic effect of copper(II) on the oxidative coupling reaction of 3-methyl-2-benzothiazolinone hydrazone with N-ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline to form a red compound (λmax=525 nm) in the presence of hydrogen peroxide and pyridine as an activator. A higher sensitivity and sampling rate were achieved by adding ben-zyldimethyltetradecylammonium chloride (Zephiramine) as a surfactant to this reaction system. The calibration graph for copper(II) was linear over the range 0.005 - 0.75 ng cm-3 at a rate of 40 samples h-1. The relative standard deviations for ten determinations of 0.5 and 0.05 ng cm-3 were 0.21 and 2.0%, respectively. The proposed method was successfully applied to the determination of copper in pepperbush.</description><subject>Analytical chemistry</subject><subject>Chemistry</subject><subject>Copper</subject><subject>Exact sciences and technology</subject><subject>Hydrogen peroxide</subject><subject>Injection</subject><subject>Spectrometric and optical methods</subject><issn>0910-6340</issn><issn>1348-2246</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNpNkU9v0zAYxiMEEmVw5WwJDpuEi__EaXqE0LFK63aBc-Q4rxdXrh1sly37snwV3LUaXGy_fp7nJ8tPUbynZM4orT5LJ21UZk7FvObiRTGjvKwxY2X1spiRJSW44iV5XbyJcUsIZTVjs-LPpfX3eO22oJLxDn2DBGFnnHyavEaNH0cI5-v1BfoqI_QoX69TRI1M0k7JKLTSOocP92kAdPtg-hz-DTm5H61xdwcKxxtIw2Qxwx24R58GIx99Vr0DdDX1IU_5dG_SgG7w6sl6g88ZHrLmHybMcdxb7cfgx8leYP5J4N7sMjOL0plMAmQckmhjFFgrA9pAb_a7t8Urnb8F3p32s-Ln5epHc4Wvb7-vmy_XWJUVSZj1eqm6ki56RmhFRaW7qiQLrRTjNWcVASIYLIHUULGu06Kmoqd5LAUXi2rBz4oPR25-4a89xNRu_T4cGmlpWdbiwKDZNT-6VPAxBtDtGMxOhqmlpD2U2J5KbKloc4k58PGElVFJq4N0ysR_KcYWZc2zrTnatjHJO3jWZcgFWfifujwuGf6sqkGGFhz_Cy8nuFM</recordid><startdate>19990901</startdate><enddate>19990901</enddate><creator>KAWASHIMA, Takuji</creator><creator>ITABASHI, Hideyuki</creator><creator>TESHIMA, Norio</creator><creator>KURIHARA, Makoto</creator><creator>NAKANO, Shigenori</creator><general>The Japan Society for Analytical Chemistry</general><general>Japan Society for Analytical Chemistry</general><general>Japan Science and Technology Agency</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SE</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>H8G</scope><scope>JG9</scope><scope>L7M</scope><scope>P64</scope></search><sort><creationdate>19990901</creationdate><title>Flow-Injection Determination of Copper(II) Based on Its Catalytic Effect on the Oxidative Coupling of 3-Methyl-2-benzothiazolinone Hydrazone with N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline in a Micellar Medium</title><author>KAWASHIMA, Takuji ; ITABASHI, Hideyuki ; TESHIMA, Norio ; KURIHARA, Makoto ; NAKANO, Shigenori</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c460t-2df9cb417d2016156fb6407fcc2383260e052e9e08e62bbf5815d1e0845357673</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Analytical chemistry</topic><topic>Chemistry</topic><topic>Copper</topic><topic>Exact sciences and technology</topic><topic>Hydrogen peroxide</topic><topic>Injection</topic><topic>Spectrometric and optical methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>KAWASHIMA, Takuji</creatorcontrib><creatorcontrib>ITABASHI, Hideyuki</creatorcontrib><creatorcontrib>TESHIMA, Norio</creatorcontrib><creatorcontrib>KURIHARA, Makoto</creatorcontrib><creatorcontrib>NAKANO, Shigenori</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Analytical Sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>KAWASHIMA, Takuji</au><au>ITABASHI, Hideyuki</au><au>TESHIMA, Norio</au><au>KURIHARA, Makoto</au><au>NAKANO, Shigenori</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Flow-Injection Determination of Copper(II) Based on Its Catalytic Effect on the Oxidative Coupling of 3-Methyl-2-benzothiazolinone Hydrazone with N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline in a Micellar Medium</atitle><jtitle>Analytical Sciences</jtitle><date>1999-09-01</date><risdate>1999</risdate><volume>15</volume><issue>9</issue><spage>835</spage><epage>839</epage><pages>835-839</pages><issn>0910-6340</issn><eissn>1348-2246</eissn><coden>ANSCEN</coden><abstract>A highly sensitive flow-injection spectrophotometric method has been developed for the determination of copper(II). It is based on the catalytic effect of copper(II) on the oxidative coupling reaction of 3-methyl-2-benzothiazolinone hydrazone with N-ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline to form a red compound (λmax=525 nm) in the presence of hydrogen peroxide and pyridine as an activator. A higher sensitivity and sampling rate were achieved by adding ben-zyldimethyltetradecylammonium chloride (Zephiramine) as a surfactant to this reaction system. The calibration graph for copper(II) was linear over the range 0.005 - 0.75 ng cm-3 at a rate of 40 samples h-1. The relative standard deviations for ten determinations of 0.5 and 0.05 ng cm-3 were 0.21 and 2.0%, respectively. The proposed method was successfully applied to the determination of copper in pepperbush.</abstract><cop>Tokyo</cop><pub>The Japan Society for Analytical Chemistry</pub><doi>10.2116/analsci.15.835</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Analytical chemistry Chemistry Copper Exact sciences and technology Hydrogen peroxide Injection Spectrometric and optical methods |
| title | Flow-Injection Determination of Copper(II) Based on Its Catalytic Effect on the Oxidative Coupling of 3-Methyl-2-benzothiazolinone Hydrazone with N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline in a Micellar Medium |
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