单词 | ferrinatrite |
释义 | ferrinatriten. Mineralogy. A rare mineral consisting of hydrated sodium iron( iii) sulphate, usually occurring as aggregates of greenish- or purplish-white fibrous crystals. Formerly called ferronatrite.Chemical formula: Na3Fe(SO4)3·3H2O. Crystal system: trigonal. ΚΠ 1905 Jrnl. Chem. Soc. 88 ii. 823 Ferrinatrite is obtained artificially by allowing a mixture of acid ferric sulphate and acid sodium sulphate to remain in a moist atmosphere for several months. 1940 Notulae Naturae (Acad. Natural Sci. Philadelphia) 25 Sept. 8 It is not unlikely that other analyses are erroneous... Leucoglaucite, for example, is differentiated from ferronatrite (ferrinatrite) only in the supposed absence of soda. 2013 Icarus 223 439/1 The thenardite and ferrinatrite (Na3Fe(SO4)3.3H2O) lead to additional Na content in the bulk analysis relative to S and Fe. This is a new entry (OED Third Edition, June 2014; most recently modified version published online March 2022). < n.1905 |
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