Estimation of the Molecular Weight of Ions by Isotachophoresis
A correlative equation relating the molecular weight of ions to the relative step height in an isotachopherogram was derived : hR=a+b M/|Z|, in which hR, M, |Z|, a and b are the relative step height with chloride ion as a standard, the molecular weight, the electric charge of ions and two constants,...
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| Veröffentlicht in: | Chemical & pharmaceutical bulletin 1983/06/25, Vol.31(6), pp.2134-2138 |
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| container_title | Chemical & pharmaceutical bulletin |
| container_volume | 31 |
| creator | FUJISHITA, OSAMU HIGUCHI, SHUN YOSHIKAWA, MANABU AOYAMA, TOSHINOBU HORIOKA, MASAYOSHI |
| description | A correlative equation relating the molecular weight of ions to the relative step height in an isotachopherogram was derived : hR=a+b M/|Z|, in which hR, M, |Z|, a and b are the relative step height with chloride ion as a standard, the molecular weight, the electric charge of ions and two constants, respectively. Therefore, the molecular weight of ions may be estimated from the relative step height in an isotachopherogram, when the electric charge is known. The equation for carboxylic acids was : hR=0.65+0.01 M/|Z|. The optimum pH of electrolytes for the estimation of molecular weight or for the separation of ions may be determined from the relative step height-pH curves obtained on the basis of this equation. |
| doi_str_mv | 10.1248/cpb.31.2134 |
| format | Article |
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Therefore, the molecular weight of ions may be estimated from the relative step height in an isotachopherogram, when the electric charge is known. The equation for carboxylic acids was : hR=0.65+0.01 M/|Z|. The optimum pH of electrolytes for the estimation of molecular weight or for the separation of ions may be determined from the relative step height-pH curves obtained on the basis of this equation.</description><identifier>ISSN: 0009-2363</identifier><identifier>EISSN: 1347-5223</identifier><identifier>DOI: 10.1248/cpb.31.2134</identifier><identifier>CODEN: CPBTAL</identifier><language>eng</language><publisher>Tokyo: The Pharmaceutical Society of Japan</publisher><subject>carboxylic acid isotachophoresis ; Catalysis ; Catalysts: preparations and properties ; Catalytic reactions ; Chemistry ; Exact sciences and technology ; General and physical chemistry ; General. Nomenclature, chemical documentation, computer chemistry ; Theory of reactions, general kinetics ; Theory of reactions, general kinetics. Catalysis. 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Pharm. Bull.</addtitle><description>A correlative equation relating the molecular weight of ions to the relative step height in an isotachopherogram was derived : hR=a+b M/|Z|, in which hR, M, |Z|, a and b are the relative step height with chloride ion as a standard, the molecular weight, the electric charge of ions and two constants, respectively. Therefore, the molecular weight of ions may be estimated from the relative step height in an isotachopherogram, when the electric charge is known. The equation for carboxylic acids was : hR=0.65+0.01 M/|Z|. The optimum pH of electrolytes for the estimation of molecular weight or for the separation of ions may be determined from the relative step height-pH curves obtained on the basis of this equation.</description><subject>carboxylic acid isotachophoresis</subject><subject>Catalysis</subject><subject>Catalysts: preparations and properties</subject><subject>Catalytic reactions</subject><subject>Chemistry</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>General. Nomenclature, chemical documentation, computer chemistry</subject><subject>Theory of reactions, general kinetics</subject><subject>Theory of reactions, general kinetics. Catalysis. 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Nomenclature, chemical documentation, computer chemistry</topic><topic>Theory of reactions, general kinetics</topic><topic>Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>FUJISHITA, OSAMU</creatorcontrib><creatorcontrib>HIGUCHI, SHUN</creatorcontrib><creatorcontrib>YOSHIKAWA, MANABU</creatorcontrib><creatorcontrib>AOYAMA, TOSHINOBU</creatorcontrib><creatorcontrib>HORIOKA, MASAYOSHI</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Neurosciences Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>AIDS and Cancer Research Abstracts</collection><jtitle>Chemical & pharmaceutical bulletin</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>FUJISHITA, OSAMU</au><au>HIGUCHI, SHUN</au><au>YOSHIKAWA, MANABU</au><au>AOYAMA, TOSHINOBU</au><au>HORIOKA, MASAYOSHI</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Estimation of the Molecular Weight of Ions by Isotachophoresis</atitle><jtitle>Chemical & pharmaceutical bulletin</jtitle><addtitle>Chem. Pharm. Bull.</addtitle><date>1983-01-01</date><risdate>1983</risdate><volume>31</volume><issue>6</issue><spage>2134</spage><epage>2138</epage><pages>2134-2138</pages><issn>0009-2363</issn><eissn>1347-5223</eissn><coden>CPBTAL</coden><abstract>A correlative equation relating the molecular weight of ions to the relative step height in an isotachopherogram was derived : hR=a+b M/|Z|, in which hR, M, |Z|, a and b are the relative step height with chloride ion as a standard, the molecular weight, the electric charge of ions and two constants, respectively. Therefore, the molecular weight of ions may be estimated from the relative step height in an isotachopherogram, when the electric charge is known. The equation for carboxylic acids was : hR=0.65+0.01 M/|Z|. The optimum pH of electrolytes for the estimation of molecular weight or for the separation of ions may be determined from the relative step height-pH curves obtained on the basis of this equation.</abstract><cop>Tokyo</cop><pub>The Pharmaceutical Society of Japan</pub><doi>10.1248/cpb.31.2134</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Chemical and Pharmaceutical Bulletin, 1983/06/25, Vol.31(6), pp.2134-2138 |
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| language | eng |
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| source | J-STAGE Free; EZB-FREE-00999 freely available EZB journals; Free Full-Text Journals in Chemistry |
| subjects | carboxylic acid isotachophoresis Catalysis Catalysts: preparations and properties Catalytic reactions Chemistry Exact sciences and technology General and physical chemistry General. Nomenclature, chemical documentation, computer chemistry Theory of reactions, general kinetics Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry |
| title | Estimation of the Molecular Weight of Ions by Isotachophoresis |
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