Determination of oxygen in the new high-temperature superconductor HgBa2CuO4+x

Maso, G. N.; Иванов, В. М.; Kumkova, A. V.

doi:10.1007/bf00323671

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Iodometry1

Mercury Cuprates1

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Cited by 11 publications

(2 citation statements)

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“…Oxygen contents in mercury cuprate superconductors have also been analysed by the iodometric titration method by assuming a valence value of +2 for mercury [57][58][59]. In the presence of potassium iodide, Hg is first precipitated as red HgI 2 , but with an excess of KI mercury iodide dissolves rapidly due to the formation of highly stable colourless [HgI 4 ] 2− complex.…”

Section: Iodometrymentioning

confidence: 99%

See 1 more Smart Citation

Determination of oxygen content and metal valences in oxide superconductors by chemical methods

Karppinen¹,

Fukuoka

Niinistö³

et al. 1996

Supercond. Sci. Technol.

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Several methods of chemical analysis, for example various redox titrations and thermogravimetric approaches, have been adapted to establish the oxygen content in superconducting cuprates and to determine the higher oxidation states of copper and other mixed-valent metals. The present review discusses and complements the authors' own experimental results on the oxygen content and metal valence analyses, but literature data from about 150 other references are reviewed as well.

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Section: Iodometrymentioning

confidence: 99%

“…In contrast, chemical analysis methods have been applied in only a very few studies. In [57][58][59] the oxygen content in various mercury cuprate samples has been determined by iodometry.…”

Section: Mercury Cupratesmentioning

confidence: 99%