Exchange equilibria of alkali feldspars with fluoride-bearing fluids.

M. D. Barton, J. D. Frantz

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Ordered, low-structural-state alkali feldspars were equilibrated with K-Na fluoride solutions (total fluoride concentration 0.8 molal) at 450, 500, 600oC at 2000 bar in run times varying from 11 to 40 days. The results are very similar to those of previous workers with alkali chloride solutions. A free-energy difference between Na(aq) and KF(aq) is reported as 8720 + or - 500 calories. -K.F.

Original languageEnglish (US)
Pages (from-to)377-338
Number of pages40
JournalCarnegie Institution of Washington Year Book
Issue number1905
StatePublished - 1983

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)


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