A note on successive complexometric determination of thorium and rare earths
Identifieur interne : 001419 ( Istex/Curation ); précédent : 001418; suivant : 001420A note on successive complexometric determination of thorium and rare earths
Auteurs : Rudolf P Ibil [Tchécoslovaquie] ; Vladimír Vesel [Tchécoslovaquie]Source :
- Talanta [ 0039-9140 ] ; 1972.
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Abstract
Abstract: An improved method for successive determination of thorium and rare earths is described. It is based on the EDTA titration of thorium at pH 2 (Xylenol Orange as indicator) followed by addition of acetylacetone-acetone mixture, adjustment of the pH to 5–5.5 with hexamine, and by further EDTA titration of rare earths with the same indicator.
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DOI: 10.1016/0039-9140(72)80141-3
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Heyrovský Polarographic Institute Czechoslovak Academy of Sciences Prague 1, Jilská 16, Czechoslovakia</mods:affiliation><country xml:lang="fr">Tchécoslovaquie</country><wicri:regionArea>Analytical Laboratory J. 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Heyrovský Polarographic Institute Czechoslovak Academy of Sciences Prague 1, Jilská 16, Czechoslovakia</mods:affiliation><country xml:lang="fr">Tchécoslovaquie</country><wicri:regionArea>Analytical Laboratory J. Heyrovský Polarographic Institute Czechoslovak Academy of Sciences Prague 1, Jilská 16</wicri:regionArea></affiliation></author><author><name sortKey="Vesel, Vladimir" sort="Vesel, Vladimir" uniqKey="Vesel V" first="Vladimír" last="Vesel">Vladimír Vesel</name><affiliation wicri:level="1"><mods:affiliation>Analytical Laboratory J. Heyrovský Polarographic Institute Czechoslovak Academy of Sciences Prague 1, Jilská 16, Czechoslovakia</mods:affiliation><country xml:lang="fr">Tchécoslovaquie</country><wicri:regionArea>Analytical Laboratory J. Heyrovský Polarographic Institute Czechoslovak Academy of Sciences Prague 1, Jilská 16</wicri:regionArea></affiliation></author></analytic><monogr></monogr><series><title level="j">Talanta</title><title level="j" type="abbrev">TAL</title><idno type="ISSN">0039-9140</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1972">1972</date><biblScope unit="volume">19</biblScope><biblScope unit="issue">11</biblScope><biblScope unit="page" from="1448">1448</biblScope><biblScope unit="page" to="1450">1450</biblScope></imprint><idno type="ISSN">0039-9140</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0039-9140</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acac</term><term>Acidic medium</term><term>Anal</term><term>Chem</term><term>Colour</term><term>Colour change</term><term>Edta</term><term>Edta titration</term><term>Hexamine</term><term>Kolthoff</term><term>Nitric acid</term><term>Perchloric acid</term><term>Rare earths</term><term>Reagent</term><term>Short communications</term><term>Smaller amounts</term><term>Sodium hydroxide</term><term>Stability constants</term><term>Thorium</term><term>Thorium titration</term><term>Titration</term><term>Xylenol</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Acac</term><term>Acidic medium</term><term>Anal</term><term>Chem</term><term>Colour</term><term>Colour change</term><term>Edta</term><term>Edta titration</term><term>Hexamine</term><term>Kolthoff</term><term>Nitric acid</term><term>Perchloric acid</term><term>Rare earths</term><term>Reagent</term><term>Short communications</term><term>Smaller amounts</term><term>Sodium hydroxide</term><term>Stability constants</term><term>Thorium</term><term>Thorium titration</term><term>Titration</term><term>Xylenol</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: An improved method for successive determination of thorium and rare earths is described. It is based on the EDTA titration of thorium at pH 2 (Xylenol Orange as indicator) followed by addition of acetylacetone-acetone mixture, adjustment of the pH to 5–5.5 with hexamine, and by further EDTA titration of rare earths with the same indicator.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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