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Polarographic Catalytic Properties of Cobalt-nitrohydroxylamine Complex

Naturevolume 207pages750751 (1965) | Download Citation



THE polarographic catalytic waves, observed by Brdička1 in the complexes of cobalt or nickel solutions, are considered to be characteristic of organic molecules containing many active groups. It is accepted, in general, that the —SH group is the most specific for the catalytic process in a cobalt-containing medium, but there are also many other substances which do not contain sulphur in their molecular structure but which form catalytic waves: uric acid2,3, certain amino-acids3 as histidine or lysine, glycerinaldehyde, dihydroxylacetone4 and also ethylenediamine5.

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  1. 1

    Brdička, R., Coll. Czechoslov. Chem. Commun., 5, 112 (1933).

  2. 2

    Büchner, M., Naturwiss., 43, 1423 (1956).

  3. 3

    Březina, M., Advances in Polarography, 933 (Pergamon Press, 1960).

  4. 4

    Lamprecht, W., Gudbjarson, S., and Katzlmeier, H., Z. Anal. Chem., 181, 201 (1961).

  5. 5

    Marx, H. B., and Schwartz, H. G., J. Electroanal. Chem., 6, 443 (1963).

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  1. Institute of Atomic Physics, Bucharest, Rumania

  2. Polarographic Institute ‘J. Heyrovský’, Prague, Czechoslovakia

    • J. KŮTA


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