Highly Effective Extraction of Iron(III) with 4-Isopropyltropolone in Nonpolar Solvents Containing 3,5-Dichlorophenol as a Synergist
A great enhancement in the extraction of iron(III) with 4-isopropyltropolone (Hipt) has been observed upon the addition of 3,5-dichlorophenol (DCP) as a hydrogen-bond donor, and highly efficient synergistic extraction system for iron(III) was presented using nonpolar solvents such as heptane and cyc...
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| Veröffentlicht in: | Analytical Sciences 2000, Vol.16(12), pp.1297-1302 |
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| creator | IMURA, Hisanori ISHIMORI, Ken-ichiro OHASHI, Kousaburo |
| description | A great enhancement in the extraction of iron(III) with 4-isopropyltropolone (Hipt) has been observed upon the addition of 3,5-dichlorophenol (DCP) as a hydrogen-bond donor, and highly efficient synergistic extraction system for iron(III) was presented using nonpolar solvents such as heptane and cyclohexane. An equilibrium study of the heptane system has demonstrated the formation of the adduct complexes of not only the iron(III) chelate, Fe(ipt)3·nDCP (n = 1 - 3), but the reagent, Hipt·nDCP (n = 1, 2). The formation constants (βM,n = [Fe(ipt)3·nDCP]org/[Fe(ipt)3]org[DCP]orgn, βH,n = [Hipt·nDCP]org/[Hipt]org[DCP]orgn) of the corresponding complexes were determined and evaluated by comparing with those of acetylacetone (Hacac). The values obtained for Fe(ipt)3 and Hipt were larger than those for Fe(acac)3 and Hacac, respectively, suggesting the higher hydrogen-bond accepting power and basicity of the former ligand. |
| doi_str_mv | 10.2116/analsci.16.1297 |
| format | Article |
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An equilibrium study of the heptane system has demonstrated the formation of the adduct complexes of not only the iron(III) chelate, Fe(ipt)3·nDCP (n = 1 - 3), but the reagent, Hipt·nDCP (n = 1, 2). The formation constants (βM,n = [Fe(ipt)3·nDCP]org/[Fe(ipt)3]org[DCP]orgn, βH,n = [Hipt·nDCP]org/[Hipt]org[DCP]orgn) of the corresponding complexes were determined and evaluated by comparing with those of acetylacetone (Hacac). 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An equilibrium study of the heptane system has demonstrated the formation of the adduct complexes of not only the iron(III) chelate, Fe(ipt)3·nDCP (n = 1 - 3), but the reagent, Hipt·nDCP (n = 1, 2). The formation constants (βM,n = [Fe(ipt)3·nDCP]org/[Fe(ipt)3]org[DCP]orgn, βH,n = [Hipt·nDCP]org/[Hipt]org[DCP]orgn) of the corresponding complexes were determined and evaluated by comparing with those of acetylacetone (Hacac). The values obtained for Fe(ipt)3 and Hipt were larger than those for Fe(acac)3 and Hacac, respectively, suggesting the higher hydrogen-bond accepting power and basicity of the former ligand.</description><subject>Analytical chemistry</subject><subject>Chemical and thermal methods</subject><subject>Chemistry</subject><subject>Exact sciences and technology</subject><subject>Iron</subject><subject>Solvents</subject><issn>0910-6340</issn><issn>1348-2246</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNpVkE1PGzEQhq2qlZpCz71a6gUkNvh7vUeUBlgJ0QNwXjmOnXXk2sE2lNz7w-soEMFlPjTPvJp5AfiB0ZRgLM5VUD5rN8ViiknXfgITTJlsCGHiM5igDqNGUIa-gm85rxHCRBIyAf-u3Wr0Wzi31ujing2cv5SkahkDjBb2KYaTvu9P4V9XRsiaPsdNiputLzVGH4OBLsDbGGqjEryL_tmEkuEshqJccGEF6Rlvfjk9-lhXRhOihypDBe-2waSVy-UYfLH1ePP9NR-Bh8v5_ey6ufl91c8ubhrNBC-NNZxhu2wFaamhmBMjBZFWdF2rtVK2XXQEK7qQBBFuMWklFXbBllIvlswYTI_Az71u_eDxyeQyrONT2vk2YMYkp5hxXqnzPaVTzDkZO2yS-6PSdsBo2Fk9vFo91HJn9TtdlbXyNqmgXT6sScEZRZW63FPrXNTKHMYqFae9-aj6Fqv8AdCjSoMJ9D9TRZoc</recordid><startdate>20001201</startdate><enddate>20001201</enddate><creator>IMURA, Hisanori</creator><creator>ISHIMORI, Ken-ichiro</creator><creator>OHASHI, Kousaburo</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>20001201</creationdate><title>Highly Effective Extraction of Iron(III) with 4-Isopropyltropolone in Nonpolar Solvents Containing 3,5-Dichlorophenol as a Synergist</title><author>IMURA, Hisanori ; ISHIMORI, Ken-ichiro ; OHASHI, Kousaburo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c465t-fe541fd76273e3152e8628f6997ccaaf7b921a3b82025f127836fb4d8cbd4ee13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Analytical chemistry</topic><topic>Chemical and thermal methods</topic><topic>Chemistry</topic><topic>Exact sciences and technology</topic><topic>Iron</topic><topic>Solvents</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>IMURA, Hisanori</creatorcontrib><creatorcontrib>ISHIMORI, Ken-ichiro</creatorcontrib><creatorcontrib>OHASHI, Kousaburo</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>IMURA, Hisanori</au><au>ISHIMORI, Ken-ichiro</au><au>OHASHI, Kousaburo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Highly Effective Extraction of Iron(III) with 4-Isopropyltropolone in Nonpolar Solvents Containing 3,5-Dichlorophenol as a Synergist</atitle><jtitle>Analytical Sciences</jtitle><date>2000-12-01</date><risdate>2000</risdate><volume>16</volume><issue>12</issue><spage>1297</spage><epage>1302</epage><pages>1297-1302</pages><issn>0910-6340</issn><eissn>1348-2246</eissn><coden>ANSCEN</coden><abstract>A great enhancement in the extraction of iron(III) with 4-isopropyltropolone (Hipt) has been observed upon the addition of 3,5-dichlorophenol (DCP) as a hydrogen-bond donor, and highly efficient synergistic extraction system for iron(III) was presented using nonpolar solvents such as heptane and cyclohexane. An equilibrium study of the heptane system has demonstrated the formation of the adduct complexes of not only the iron(III) chelate, Fe(ipt)3·nDCP (n = 1 - 3), but the reagent, Hipt·nDCP (n = 1, 2). The formation constants (βM,n = [Fe(ipt)3·nDCP]org/[Fe(ipt)3]org[DCP]orgn, βH,n = [Hipt·nDCP]org/[Hipt]org[DCP]orgn) of the corresponding complexes were determined and evaluated by comparing with those of acetylacetone (Hacac). The values obtained for Fe(ipt)3 and Hipt were larger than those for Fe(acac)3 and Hacac, respectively, suggesting the higher hydrogen-bond accepting power and basicity of the former ligand.</abstract><cop>Tokyo</cop><pub>The Japan Society for Analytical Chemistry</pub><doi>10.2116/analsci.16.1297</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Analytical chemistry Chemical and thermal methods Chemistry Exact sciences and technology Iron Solvents |
| title | Highly Effective Extraction of Iron(III) with 4-Isopropyltropolone in Nonpolar Solvents Containing 3,5-Dichlorophenol as a Synergist |
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