Investigation on oxidation states of rhenium in Re-HEDP

期刊名字：核技術(shù)
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論文作者：WANG Wen-jin，LUO Shun-Zhong，Qi
作者單位：Institute of Nuclear Physics and Chemistry
更新時(shí)間：2023-02-14
下載次數(shù)：次

論文簡(jiǎn)介

The oxidation states of rhenium in Re-HEDP (hydroxyethylidene diphosphonate) were measured bythe methods of extraction and potentiometric titration. The oxidation state of rhenium in Re-HEDP was mostly +4valence, and the Re(Ⅳ)-HEDP was oxidized to Re( Ⅴ)-HEDP when it was titrated by I3- at pH 2.0. In the reductionsystem of Vc+Sn2+ , ReO4- was only reduced by Sn2+, but Vc was oxidized earlier than Sn2+ when it was titrated by I3.

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