Complex formation of trace elements in geochemical systems—I: Potentiometric study of fluord complexes of rare earth elements in fluorite bearing model systems
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Cited by (34)
Speciation of yttrium and the rare earth elements in seawater: Review of a 20-year analytical journey
2021, Chemical GeologyCitation Excerpt :The stability constants for the first-order YREE–fluoride complex fall in between those for sulfate and hydroxide, where log OHβ1 ~ 5–6 (Table 3). YREE–fluoride complexes and the solubility of YREE fluoride salts have been intensively studied, due to their importance in YREE mobility and mineralization, aided by the early development of sensitive F−-specific electrodes (Bilal et al., 1979). Unlike hydrolysis (Fig. 2), four of these studies covered most of the YREE.
REE fractionation during crystallization and alteration of fergusonite-(Y) from Zr-REE-Nb-rich late- to post-magmatic products of the Keivy alkali granite complex, NW Russia
2020, Ore Geology ReviewsCitation Excerpt :It is known from a number of experimental and theoretical studies that all the REE form complexes with F but with different solubilities (London et al., 1988; Keppler, 1993; Migdisov et al., 2009). The important role of REE-F complexes in the formation of REE-F-rich granite-related deposits has been extensively studied by a number of authors (Bilal and Becker, 1979; Bilal et al., 1979; McLennan and Taylor, 1979; Bilal and Kob, 1980; Salvi and Williams-Jones, 1996; Williams-Jones et al., 2000; Agangi et al., 2010). For example, Y fluoride complexes are more stable than Dy fluoride complexes; the stability constant for YF2+ (log10 K = 4.80) is nearly three times as high as the corresponding complex of Dy (log10 K = 4.36) (Brookins, 1989; Gramaccioli et al., 1999).
Chapter 158 Marine chemistry and geochemistry of the lanthanides
1996, Handbook on the Physics and Chemistry of Rare Earths