1964
DOI: 10.1021/ac60210a011
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Potentiometric Titration of Free Acid and Uranium in Uranium(VI) Solutions with Alkali.

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Cited by 31 publications
(8 citation statements)
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“…In an attempt to evaluate the method suggested by Motojima and Izawa (14), their experiments were repeated and the results are presented in Table I. It has been observed that the use of ammonium sulfate as a complexant and sodium hydroxide as titrant resulted in negative error ranging from 1.5% to 5.5% depending upon the concentration of the titrant.…”
Section: Resultsmentioning
confidence: 99%
“…In an attempt to evaluate the method suggested by Motojima and Izawa (14), their experiments were repeated and the results are presented in Table I. It has been observed that the use of ammonium sulfate as a complexant and sodium hydroxide as titrant resulted in negative error ranging from 1.5% to 5.5% depending upon the concentration of the titrant.…”
Section: Resultsmentioning
confidence: 99%
“…The solution was cooled, filtered, diluted and analyzed as above. Uranium (VI) was masked by using ammonium sulphate [24], while thorium (IV) was masked by using urea [25].…”
Section: Determination Of Ce(iii) In Monazite Sandmentioning
confidence: 99%
“…It is well-known that this technique achieves quantitative separation of U(VI) from an aqueous solution as UO 4 (namely, UO 2 (O 2 )ÁnH 2 O) precipitate. As a matter of fact, this method was employed by Motojima and Izawa to indirectly determine a U(VI) concentration in an aqueous system through an acidbase titration [40]. When the 30 wt.% H 2 O 2 (aq) was added to a biphasic system consisting of [Hbet][Tf 2 N] (0.9 mL, 10.1 mM U(VI)) and distilled water (0.9 mL), the mixture immediately became turbid, indicating occurrence of the precipitation.…”
Section: Recovery Of U(vi) From [Hbet][tf 2 N] Using H 2 O 2 Aqueous mentioning
confidence: 99%