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Thorium microcrystalline

Carbonates. There has been a great deal of interest in carbonate complexes of thorium owing to their environmental relevance (45). Solution studies for thorium have been reported (44,46—48). For example, the solubility of microcrystalline Th02, examined as a function of pH and C02 partial pressure (44), gave results consistent with the presence of the mixed hydroxocarbonatothorium complex, Th(0H)3(C03) [15478949-8], and pentacarbonatothorium(rV) [12364-90-8], Th(C03)6-5 (4). Solids of formula Th0(C03) [49741-19-7] and Th(0H)2(C03) 21 RO [12538-65-7] have been reported, but these materials are not well characterized. The pentacarbonato salts of thorium(IV) and uranium(TV) are the most well studied of the tetravalent actinide carbonate solids. Salts of the formula M6Th(C03)5 H20, where M = Na, K, or Tl, or M6 = [Co(NH3)6]2, have all been reported... [Pg.38]

See other pages where Thorium microcrystalline is mentioned: [Pg.38]    [Pg.39]    [Pg.886]    [Pg.39]    [Pg.886]    [Pg.84]    [Pg.172]    [Pg.181]    [Pg.186]    [Pg.186]    [Pg.191]    [Pg.345]    [Pg.626]    [Pg.645]    [Pg.654]    [Pg.668]    [Pg.674]    [Pg.675]    [Pg.675]    [Pg.682]    [Pg.7031]    [Pg.198]    [Pg.143]   
See also in sourсe #XX -- [ Pg.465 ]



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