H2FeO4
Ferric Fer"ric, a. [L. ferrum iron: cf. F. ferrique. See {Ferrous}.] Pertaining to, derived from, or containing iron. Specifically (Chem.), denoting those compounds in which iron has a higher valence than in the ferrous compounds; as, ferric oxide; ferric acid. [1913 Webster]

{Ferric acid} (Chem.), an acid, {H2FeO4}, which is not known in the free state, but forms definite salts, analogous to the chromates and sulphates.

{Ferric oxide} (Chem.), sesquioxide of iron, {Fe2O3}; hematite. See {Hematite}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Железо — 26 Марганец ← Железо → Кобальт …   Википедия

  • ferrate — [ ferat ] n. m. • 1839; de fer ♦ Chim. Sel d un acide ferrique H2FeO4 (non isolé). ● ferrate nom masculin Nom générique de sels dérivant de l acide non isolé H2FeO4. ferrate [fɛʀat] n. m. ÉTYM. 1839; de fer, et ate …   Encyclopédie Universelle

  • Fe2O3 — Ferric Fer ric, a. [L. ferrum iron: cf. F. ferrique. See {Ferrous}.] Pertaining to, derived from, or containing iron. Specifically (Chem.), denoting those compounds in which iron has a higher valence than in the ferrous compounds; as, ferric… …   The Collaborative International Dictionary of English

  • Ferric — Fer ric, a. [L. ferrum iron: cf. F. ferrique. See {Ferrous}.] Pertaining to, derived from, or containing iron. Specifically (Chem.), denoting those compounds in which iron has a higher valence than in the ferrous compounds; as, ferric oxide;… …   The Collaborative International Dictionary of English

  • Ferric acid — Ferric Fer ric, a. [L. ferrum iron: cf. F. ferrique. See {Ferrous}.] Pertaining to, derived from, or containing iron. Specifically (Chem.), denoting those compounds in which iron has a higher valence than in the ferrous compounds; as, ferric… …   The Collaborative International Dictionary of English

  • Ferric oxide — Ferric Fer ric, a. [L. ferrum iron: cf. F. ferrique. See {Ferrous}.] Pertaining to, derived from, or containing iron. Specifically (Chem.), denoting those compounds in which iron has a higher valence than in the ferrous compounds; as, ferric… …   The Collaborative International Dictionary of English

  • ЖЕЛЕЗА ОКСИДЫ — Оксид FeO (в технике вюстит). В кристаллич. решетке вюстита имеются вакантные узлы, и его состав отвечает ф ле FexO, где х= 0,89 0,95; ур ние температурной зависимости давления разложения: lg p(O2, в мм рт. ст.) = 26730/T+ 6,43 (T > 1813 К);… …   Химическая энциклопедия

  • Eisen [1] — Eisen (Ferrum) Fe, das nützlichste und verbreitetste aller Metalle, findet sich in zahlreichen Verbindungen und nimmt an der Zusammensetzung der Erdrinde wesentlichen Anteil (zu etwa 5 Proz.). Vorkommen. Gediegen findet sich E. als Meteoreisen in …   Meyers Großes Konversations-Lexikon

  • Eisensäure — H2FeO4 ist im freien Zustande nicht bekannt, ihr Kaliumsalz (Eisenchamäleon) K2FeO4 entsteht beim Glühen von feinstem Eisenpulver mit Salpeter oder mit Kaliumsuperoxyd, beim Verteilen von frisch gefälltem Eisenhydroxyd in Kalilauge und Einleiten… …   Meyers Großes Konversations-Lexikon

  • ferrate — /fer ayt/, n. Chem. a salt of the hypothetical ferric acid, H2FeO4. [1850 55; < L ferr(um) iron + ATE2] * * * …   Universalium

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