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单词 oxidulated iron
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oxidulated iron
oxidulated iron n. Obsolete magnetite.
ΚΠ
1809 Trans. Amer. Philos. Soc. 6 ii. 322 This quartz is sterile in metallic substances; some signs of oxidulated iron only and of magnetic pyrites are found in it.
1852 T. Ross tr. A. von Humboldt Personal Narr. Trav. Amer. II. xxiv. 512 Vallies, which contain magnetic sands (granulary oxidulated iron).
1873 A. A. Fesquet in L. L. de Koninck & E. Dietz Pract. Man. Chem. Anal. & Assaying 252 Magnetite, oxidulated iron in octahedral and dodecahedral crystals, with a sp[ecific] gr[avity] varying between 4.9 and 5.2.
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