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Potassa

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Potassa mineralis

Potassa, vel sal alkalinus,[1] est nomen commune kalii carbonatis (K2CO3) et aliorum salum quibus ionta kalii (K+) insunt.[2]

Nomen derivatum est a nomine Batavo potasch (hodie: potas), i.e. 'ollae cinis',[3][4] quia parari solebat ligni cinere in aqua solvendo, deinde colando, postremo solutione in olla ad siccitatem coquenda. Aevo Medio potassa 'alkali' appellabatur, a nomine Arabico القلي al-qili, a verbo قلی qalā, i.e. 'coquere'.[5][6] Ex his duobus nominibus nomina invicem elementi kalii vel potassii derivata sunt.

Notae[recensere | fontem recensere]

  1. Smith's English-Latin Dictionary, Smith and Hall, 1871
  2. http://minerals.usgs.gov/minerals/pubs/commodity/potash/
  3. Krueger, Dennis (December 1982). "Why On Earth Do They Call It Throwing?" Studio Potter Vol. 11, Number 1
  4. Online Etymology Dictionary (© 2001 Douglas Harper), lemma 'potash'
  5. Raja Tazi, Arabismen im Deutschen (1998), pp.115-116
  6. Online Etymology Dictionary (© 2001 Douglas Harper), lemma 'alkali'