UnivTrevesV1, PascalFrancis, Corpus, bibRecord, 001363

Possibilities for the automated determination of trace concentrations of uranium in water samples by adsorptive stripping voltammetry

Identifieur interne : 001363 ( PascalFrancis/Corpus ); précédent : 001362; suivant : 001364

Possibilities for the automated determination of trace concentrations of uranium in water samples by adsorptive stripping voltammetry

Auteurs : S. Sander ; W. Wagner ; G. Henze

Source :

Analytica chimica acta [ 0003-2670 ] ; 1997.

RBID : Pascal:97-0486697

Descripteurs français

Pascal (Inist)
- Analyse chimique, Analyse trace, Voltammétrie, Réoxydation, Adsorption, En automatique, Uranium complexe, Benzoquinone dérivé, Dilution, Etalonnage, Méthode ajout, Uranium, Eau, Ultratrace.

English descriptors

KwdEn :
- Adsorption, Automatic operation, Benzoquinone derivatives, Calibration, Chemical analysis, Dilution, Reoxidation, Standard addition method, Trace analysis, Uranium, Uranium complex, Voltammetry, Water.

Abstract

Copyright (c) 1997 Elsevier Science B.V. All rights reserved. The paper describes the development of two different techniques for the automated determination of uranium by adsorptive stripping voltammetry (AdSV). As a complex forming reagent 2,5-dichloro-3,6-dihydroxy-1,4-benzoquinone (chloranilic acid) is used. The automation was performed in one case using an auto-batch system and in the second case by means of a flow-through cell. Sensitivities, reproducibilities and the fields of application are evaluated. The auto-batch technique, with the automatic standard addition capability as well as its logical decision-making capacity for selecting the correct type of working electrode makes it highly suitable for the determination of varying uranium concentrations above 1 μg/l. The dilution of the sample, required by the methodology, makes determinations of uranium concentrations less than 1 mg/l unattainable. The flow-through technique is more suited to determine uranium at the ultra trace concentration level (above 70 ng/l). Provided the matrix is reasonably constant, a pre-determined calibration curve can be used and, due to the higher slope of the calibration plot in the flow-through technique, the linear concentration range extends to a lower concentration compared to stationary conditions. Another advantage of the flow-through technique is the possibility of kinetic and mechanistic investigations of AdSV procedures.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A14	`01`			`@1 Fachbereich Chemie, Universität Kaiserslautern und Abteilung für Anorganische und Analytische Chemie, Universität Trier, Postfach 3825 @2 D-54286 Trier @3 DEU @Z 1 aut. @Z 2 aut. @Z 3 aut.`
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Format Inist (serveur)

NO :	PASCAL 97-0486697 Elsevier
ET :	Possibilities for the automated determination of trace concentrations of uranium in water samples by adsorptive stripping voltammetry
AU :	SANDER (S.); WAGNER (W.); HENZE (G.)
AF :	Fachbereich Chemie, Universität Kaiserslautern und Abteilung für Anorganische und Analytische Chemie, Universität Trier, Postfach 3825/D-54286 Trier/Allemagne (1 aut., 2 aut., 3 aut.)
DT :	Publication en série; Niveau analytique
SO :	Analytica chimica acta; ISSN 0003-2670; Coden ACACAM; Pays-Bas; Da. 1997; Vol. 349; No. 1-3; Pp. 93-99; Abs. anglais
LA :	Anglais
EA :	Copyright (c) 1997 Elsevier Science B.V. All rights reserved. The paper describes the development of two different techniques for the automated determination of uranium by adsorptive stripping voltammetry (AdSV). As a complex forming reagent 2,5-dichloro-3,6-dihydroxy-1,4-benzoquinone (chloranilic acid) is used. The automation was performed in one case using an auto-batch system and in the second case by means of a flow-through cell. Sensitivities, reproducibilities and the fields of application are evaluated. The auto-batch technique, with the automatic standard addition capability as well as its logical decision-making capacity for selecting the correct type of working electrode makes it highly suitable for the determination of varying uranium concentrations above 1 μg/l. The dilution of the sample, required by the methodology, makes determinations of uranium concentrations less than 1 mg/l unattainable. The flow-through technique is more suited to determine uranium at the ultra trace concentration level (above 70 ng/l). Provided the matrix is reasonably constant, a pre-determined calibration curve can be used and, due to the higher slope of the calibration plot in the flow-through technique, the linear concentration range extends to a lower concentration compared to stationary conditions. Another advantage of the flow-through technique is the possibility of kinetic and mechanistic investigations of AdSV procedures.
CC :	001C04E
FD :	Analyse chimique; Analyse trace; Voltammétrie; Réoxydation; Adsorption; En automatique; Uranium complexe; Benzoquinone dérivé; Dilution; Etalonnage; Méthode ajout; Uranium; Eau; Ultratrace
ED :	Chemical analysis; Trace analysis; Voltammetry; Reoxidation; Adsorption; Automatic operation; Uranium complex; Benzoquinone derivatives; Dilution; Calibration; Standard addition method; Uranium; Water
GD :	Chemische Analyse; Spurenanalyse; Voltammetrie; Reoxidation; Adsorption; Urankomplex; Verduennung; Kalibrieren; Uran; Wasser
SD :	Análisis químico; Análisis huella; Voltametría; Reoxidación; Adsorción; En automático; Uranio complejo; Benzoquinona derivado; Dilución; Contraste; Método añadido; Uranio; Agua
LO :	INIST-3950.354000069179760024
ID :	97-0486697

Links to Exploration step

Pascal:97-0486697

Le document en format XML

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<front><div type="abstract" xml:lang="en">Copyright (c) 1997  Elsevier Science B.V. All rights reserved. The paper describes the development of two different techniques for the automated determination of uranium by adsorptive stripping voltammetry (AdSV). As a complex forming reagent 2,5-dichloro-3,6-dihydroxy-1,4-benzoquinone (chloranilic acid) is used. The automation was performed in one case using an auto-batch system and in the second case by means of a flow-through cell. Sensitivities, reproducibilities and the fields of application are evaluated. The auto-batch technique, with the automatic standard addition capability as well as its logical decision-making capacity for selecting the correct type of working electrode makes it highly suitable for the determination of varying uranium concentrations above 1 μg/l. The dilution of the sample, required by the methodology, makes determinations of uranium concentrations less than 1 mg/l unattainable. The flow-through technique is more suited to determine uranium at the ultra trace concentration level (above 70 ng/l). Provided the matrix is reasonably constant, a pre-determined calibration curve can be used and, due to the higher slope of the calibration plot in the flow-through technique, the linear concentration range extends to a lower concentration compared to stationary conditions. Another advantage of the flow-through technique is the possibility of kinetic and mechanistic investigations of AdSV procedures.</div>
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<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Automatic operation</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>En automático</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Uranium complexe</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Uranium complex</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="GER"><s0>Urankomplex</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Uranio complejo</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Benzoquinone dérivé</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Benzoquinone derivatives</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Benzoquinona derivado</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Dilution</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Dilution</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="GER"><s0>Verduennung</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Dilución</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Etalonnage</s0>
<s5>11</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Calibration</s0>
<s5>11</s5>
</fC03>
<fC03 i1="10" i2="X" l="GER"><s0>Kalibrieren</s0>
<s5>11</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Contraste</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Méthode ajout</s0>
<s5>12</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Standard addition method</s0>
<s5>12</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Método añadido</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Uranium</s0>
<s1>ANA</s1>
<s2>NC</s2>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Uranium</s0>
<s1>ANA</s1>
<s2>NC</s2>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="X" l="GER"><s0>Uran</s0>
<s1>ANA</s1>
<s2>NC</s2>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Uranio</s0>
<s1>ANA</s1>
<s2>NC</s2>
<s5>15</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Eau</s0>
<s1>SUB</s1>
<s5>16</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Water</s0>
<s1>SUB</s1>
<s5>16</s5>
</fC03>
<fC03 i1="13" i2="X" l="GER"><s0>Wasser</s0>
<s1>SUB</s1>
<s5>16</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Agua</s0>
<s1>SUB</s1>
<s5>16</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE"><s0>Ultratrace</s0>
<s4>INC</s4>
<s5>32</s5>
</fC03>
<fN21><s1>300</s1>
</fN21>
</pA>
</standard>
<server><NO>PASCAL 97-0486697 Elsevier</NO>
<ET>Possibilities for the automated determination of trace concentrations of uranium in water samples by adsorptive stripping voltammetry</ET>
<AU>SANDER (S.); WAGNER (W.); HENZE (G.)</AU>
<AF>Fachbereich Chemie, Universität Kaiserslautern und Abteilung für Anorganische und Analytische Chemie, Universität Trier, Postfach 3825/D-54286 Trier/Allemagne (1 aut., 2 aut., 3 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Analytica chimica acta; ISSN 0003-2670; Coden ACACAM; Pays-Bas; Da. 1997; Vol. 349; No. 1-3; Pp. 93-99; Abs. anglais</SO>
<LA>Anglais</LA>
<EA>Copyright (c) 1997  Elsevier Science B.V. All rights reserved. The paper describes the development of two different techniques for the automated determination of uranium by adsorptive stripping voltammetry (AdSV). As a complex forming reagent 2,5-dichloro-3,6-dihydroxy-1,4-benzoquinone (chloranilic acid) is used. The automation was performed in one case using an auto-batch system and in the second case by means of a flow-through cell. Sensitivities, reproducibilities and the fields of application are evaluated. The auto-batch technique, with the automatic standard addition capability as well as its logical decision-making capacity for selecting the correct type of working electrode makes it highly suitable for the determination of varying uranium concentrations above 1 μg/l. The dilution of the sample, required by the methodology, makes determinations of uranium concentrations less than 1 mg/l unattainable. The flow-through technique is more suited to determine uranium at the ultra trace concentration level (above 70 ng/l). Provided the matrix is reasonably constant, a pre-determined calibration curve can be used and, due to the higher slope of the calibration plot in the flow-through technique, the linear concentration range extends to a lower concentration compared to stationary conditions. Another advantage of the flow-through technique is the possibility of kinetic and mechanistic investigations of AdSV procedures.</EA>
<CC>001C04E</CC>
<FD>Analyse chimique; Analyse trace; Voltammétrie; Réoxydation; Adsorption; En automatique; Uranium complexe; Benzoquinone dérivé; Dilution; Etalonnage; Méthode ajout; Uranium; Eau; Ultratrace</FD>
<ED>Chemical analysis; Trace analysis; Voltammetry; Reoxidation; Adsorption; Automatic operation; Uranium complex; Benzoquinone derivatives; Dilution; Calibration; Standard addition method; Uranium; Water</ED>
<GD>Chemische Analyse; Spurenanalyse; Voltammetrie; Reoxidation; Adsorption; Urankomplex; Verduennung; Kalibrieren; Uran; Wasser</GD>
<SD>Análisis químico; Análisis huella; Voltametría; Reoxidación; Adsorción; En automático; Uranio complejo; Benzoquinona derivado; Dilución; Contraste; Método añadido; Uranio; Agua</SD>
<LO>INIST-3950.354000069179760024</LO>
<ID>97-0486697</ID>
</server>
</inist>
</record>

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Possibilities for the automated determination of trace concentrations of uranium in water samples by adsorptive stripping voltammetry

Possibilities for the automated determination of trace concentrations of uranium in water samples by adsorptive stripping voltammetry

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