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 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.

Look at other dictionaries:

  • ferric acid — iron based acid …   English contemporary dictionary

  • 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 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

  • Ferric subsulfate solution — Systematic (IUPAC) name Iron(+3) cation dihydroxide pentasulfate Clinical data Pregnancy cat …   Wikipedia

  • ferric chloride test — ferric chloride in acidic solution is added to a urine specimen; many substances are oxidized giving colored products. Positive reactions are given by melanin, acetoacetic acid, bilirubin, phenothiazines, salicylates, and the keto acids present… …   Medical dictionary

  • Acid mine drainage — Yellow boy in a stream receiving acid drainage from surface coal mining. Acid mine drainage (AMD), or acid rock drainage (ARD), refers to the outflow of acidic water from (usually abandoned) metal mines or coal mines. However, other areas where… …   Wikipedia

  • acid–base reaction — ▪ chemistry Introduction       a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… …   Universalium

  • ferric subsulfate solution — [USP] a reddish brown aqueous solution of basic ferric sulfate, prepared from ferrous sulfate, sulfuric acid, and nitric acid; used as an astringent and hemostatic …   Medical dictionary

  • Ferric sulphocyanate — Sulphocyanate Sul pho*cy a*nate, n. (Chem.) A salt of sulphocyanic acid; also called {thiocyanate}, and formerly inaccurately {sulphocyanide}. [1913 Webster] {Ferric sulphocyanate} (Chem.), a dark red crystalline substance usually obtained in a… …   The Collaborative International Dictionary of English

  • ferric hydroxide — A compound previously used, freshly prepared, as an antidote to arsenic poisoning. * * * ferric hydroxide n a hydrate Fe2O3·nH2O of ferric oxide that is capable of acting both as a base and as a weak acid …   Medical dictionary

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