Solvent extraction-spectrophotometric determination of boron with 3,5-di-tert-butylcatechol and ethyl violet
Boric acid and 3,5-di-tert-butylcathechol formed a complex anion at pH 6.3-8.7 which was extracted into toluene as an ion pair with ethyl violet (EV); the excess EV coextracted into toluene was removed by adding 3% hydrogen peroxide. Boron was determined spectrophotometrically by measuring the absor...
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| Veröffentlicht in: | Anal. Chem.; (United States) 1984-05, Vol.56 (6), p.948-950 |
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| creator | Oshima, Mitsuko Motomizu, Shoji Toei, Kyoji |
| description | Boric acid and 3,5-di-tert-butylcathechol formed a complex anion at pH 6.3-8.7 which was extracted into toluene as an ion pair with ethyl violet (EV); the excess EV coextracted into toluene was removed by adding 3% hydrogen peroxide. Boron was determined spectrophotometrically by measuring the absorbance of EV of the ion pair in toluene at 610 nm. The calibration curve was linear within a range of 0.043 ..mu..g of boron, and the molar absorptivity was 10.5 x 10/sup 4/ L mol/sup -1/ cm/sup -1/. This method, using the new complexing agent, was applied to the determination of boron in seawater and found to be appreciably satisfactory compared with other methods. 7 references, 3 tables, 2 figures. |
| doi_str_mv | 10.1021/ac00270a020 |
| format | Article |
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Boron was determined spectrophotometrically by measuring the absorbance of EV of the ion pair in toluene at 610 nm. The calibration curve was linear within a range of 0.043 ..mu..g of boron, and the molar absorptivity was 10.5 x 10/sup 4/ L mol/sup -1/ cm/sup -1/. This method, using the new complexing agent, was applied to the determination of boron in seawater and found to be appreciably satisfactory compared with other methods. 7 references, 3 tables, 2 figures.</description><identifier>ISSN: 0003-2700</identifier><identifier>EISSN: 1520-6882</identifier><identifier>DOI: 10.1021/ac00270a020</identifier><identifier>CODEN: ANCHAM</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>400104 - Spectral Procedures- (-1987) ; Analytical chemistry ; AROMATICS ; BORON ; BORON COMPLEXES ; CHEMICAL ANALYSIS ; Chemistry ; COMPLEXES ; DATA ; DEVELOPERS ; ELEMENTS ; Exact sciences and technology ; EXPERIMENTAL DATA ; EXTRACTION ; HYDROGEN COMPOUNDS ; HYDROXY COMPOUNDS ; INFORMATION ; INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ; NUMERICAL DATA ; ORGANIC COMPOUNDS ; OXYGEN COMPOUNDS ; PHENOLS ; POLYPHENOLS ; PYROCATECHOL ; QUANTITATIVE CHEMICAL ANALYSIS ; SEAWATER ; SEMIMETALS ; SEPARATION PROCESSES ; SOLVENT EXTRACTION ; Spectrometric and optical methods ; SPECTROPHOTOMETRY ; WATER</subject><ispartof>Anal. 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Chem.; (United States)</title><addtitle>Anal. Chem</addtitle><description>Boric acid and 3,5-di-tert-butylcathechol formed a complex anion at pH 6.3-8.7 which was extracted into toluene as an ion pair with ethyl violet (EV); the excess EV coextracted into toluene was removed by adding 3% hydrogen peroxide. Boron was determined spectrophotometrically by measuring the absorbance of EV of the ion pair in toluene at 610 nm. The calibration curve was linear within a range of 0.043 ..mu..g of boron, and the molar absorptivity was 10.5 x 10/sup 4/ L mol/sup -1/ cm/sup -1/. This method, using the new complexing agent, was applied to the determination of boron in seawater and found to be appreciably satisfactory compared with other methods. 7 references, 3 tables, 2 figures.</description><subject>400104 - Spectral Procedures- (-1987)</subject><subject>Analytical chemistry</subject><subject>AROMATICS</subject><subject>BORON</subject><subject>BORON COMPLEXES</subject><subject>CHEMICAL ANALYSIS</subject><subject>Chemistry</subject><subject>COMPLEXES</subject><subject>DATA</subject><subject>DEVELOPERS</subject><subject>ELEMENTS</subject><subject>Exact sciences and technology</subject><subject>EXPERIMENTAL DATA</subject><subject>EXTRACTION</subject><subject>HYDROGEN COMPOUNDS</subject><subject>HYDROXY COMPOUNDS</subject><subject>INFORMATION</subject><subject>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</subject><subject>NUMERICAL DATA</subject><subject>ORGANIC COMPOUNDS</subject><subject>OXYGEN COMPOUNDS</subject><subject>PHENOLS</subject><subject>POLYPHENOLS</subject><subject>PYROCATECHOL</subject><subject>QUANTITATIVE CHEMICAL ANALYSIS</subject><subject>SEAWATER</subject><subject>SEMIMETALS</subject><subject>SEPARATION PROCESSES</subject><subject>SOLVENT EXTRACTION</subject><subject>Spectrometric and optical methods</subject><subject>SPECTROPHOTOMETRY</subject><subject>WATER</subject><issn>0003-2700</issn><issn>1520-6882</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1984</creationdate><recordtype>article</recordtype><recordid>eNpt0E1v1DAQBmCrAqlL4cQfiBASh9YwdmI7e6SrfqkVILVcuFjOZKJ1ycYr2_3Yf49XQRUHTrY1z4zGL2PvBXwWIMUXhwDSgAMJB2whlASu21a-YgsAqHkpwSF7k9I9gBAg9IKNt2F8pClX9Jyjw-zDxNOWMMewXYccNpSjx6qnTHHjJ7cHVRiqLsRyefJ5XdUniveeF5B595B3I7pMuA5j5aa-orzejdWjDyPlt-z14MZE7_6eR-zn-dnd6pLffL-4Wn294a5WJvOelDHYOYe4BGpUeZEeVENNq6Vw2JmetOxMS0oOctmCqGXfomi1aAyhro_Yh3luSNnbhH6_D4ZpKv-yupZCK1HQ8YwwhpQiDXYb_cbFnRVg92naf9Is-uOsty6hG4foJvTppWWpoW3ksjA-M58yPb-UXfxttamNsnc_bu23lbo-V6fK_ir-0-wdJnsfHuJUcvnvAn8Aq0ORFw</recordid><startdate>19840501</startdate><enddate>19840501</enddate><creator>Oshima, Mitsuko</creator><creator>Motomizu, Shoji</creator><creator>Toei, Kyoji</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19840501</creationdate><title>Solvent extraction-spectrophotometric determination of boron with 3,5-di-tert-butylcatechol and ethyl violet</title><author>Oshima, Mitsuko ; Motomizu, Shoji ; Toei, Kyoji</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a357t-de577cbaacc90e45577e6f54e48621acb7de62b78e52f2980132d8c186147ec63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1984</creationdate><topic>400104 - Spectral Procedures- (-1987)</topic><topic>Analytical chemistry</topic><topic>AROMATICS</topic><topic>BORON</topic><topic>BORON COMPLEXES</topic><topic>CHEMICAL ANALYSIS</topic><topic>Chemistry</topic><topic>COMPLEXES</topic><topic>DATA</topic><topic>DEVELOPERS</topic><topic>ELEMENTS</topic><topic>Exact sciences and technology</topic><topic>EXPERIMENTAL DATA</topic><topic>EXTRACTION</topic><topic>HYDROGEN COMPOUNDS</topic><topic>HYDROXY COMPOUNDS</topic><topic>INFORMATION</topic><topic>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</topic><topic>NUMERICAL DATA</topic><topic>ORGANIC COMPOUNDS</topic><topic>OXYGEN COMPOUNDS</topic><topic>PHENOLS</topic><topic>POLYPHENOLS</topic><topic>PYROCATECHOL</topic><topic>QUANTITATIVE CHEMICAL ANALYSIS</topic><topic>SEAWATER</topic><topic>SEMIMETALS</topic><topic>SEPARATION PROCESSES</topic><topic>SOLVENT EXTRACTION</topic><topic>Spectrometric and optical methods</topic><topic>SPECTROPHOTOMETRY</topic><topic>WATER</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Oshima, Mitsuko</creatorcontrib><creatorcontrib>Motomizu, Shoji</creatorcontrib><creatorcontrib>Toei, Kyoji</creatorcontrib><creatorcontrib>Okayama Univ., Japan</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Anal. Chem.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Oshima, Mitsuko</au><au>Motomizu, Shoji</au><au>Toei, Kyoji</au><aucorp>Okayama Univ., Japan</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Solvent extraction-spectrophotometric determination of boron with 3,5-di-tert-butylcatechol and ethyl violet</atitle><jtitle>Anal. Chem.; (United States)</jtitle><addtitle>Anal. Chem</addtitle><date>1984-05-01</date><risdate>1984</risdate><volume>56</volume><issue>6</issue><spage>948</spage><epage>950</epage><pages>948-950</pages><issn>0003-2700</issn><eissn>1520-6882</eissn><coden>ANCHAM</coden><abstract>Boric acid and 3,5-di-tert-butylcathechol formed a complex anion at pH 6.3-8.7 which was extracted into toluene as an ion pair with ethyl violet (EV); the excess EV coextracted into toluene was removed by adding 3% hydrogen peroxide. Boron was determined spectrophotometrically by measuring the absorbance of EV of the ion pair in toluene at 610 nm. The calibration curve was linear within a range of 0.043 ..mu..g of boron, and the molar absorptivity was 10.5 x 10/sup 4/ L mol/sup -1/ cm/sup -1/. This method, using the new complexing agent, was applied to the determination of boron in seawater and found to be appreciably satisfactory compared with other methods. 7 references, 3 tables, 2 figures.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/ac00270a020</doi><tpages>3</tpages></addata></record> |
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| ispartof | Anal. Chem.; (United States), 1984-05, Vol.56 (6), p.948-950 |
| issn | 0003-2700 1520-6882 |
| language | eng |
| recordid | cdi_crossref_primary_10_1021_ac00270a020 |
| source | American Chemical Society Journals |
| subjects | 400104 - Spectral Procedures- (-1987) Analytical chemistry AROMATICS BORON BORON COMPLEXES CHEMICAL ANALYSIS Chemistry COMPLEXES DATA DEVELOPERS ELEMENTS Exact sciences and technology EXPERIMENTAL DATA EXTRACTION HYDROGEN COMPOUNDS HYDROXY COMPOUNDS INFORMATION INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY NUMERICAL DATA ORGANIC COMPOUNDS OXYGEN COMPOUNDS PHENOLS POLYPHENOLS PYROCATECHOL QUANTITATIVE CHEMICAL ANALYSIS SEAWATER SEMIMETALS SEPARATION PROCESSES SOLVENT EXTRACTION Spectrometric and optical methods SPECTROPHOTOMETRY WATER |
| title | Solvent extraction-spectrophotometric determination of boron with 3,5-di-tert-butylcatechol and ethyl violet |
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