单词 | ferrocyanic acid |
释义 | > as lemmasferrocyanic acid ferrocyanic acid n. Brit. /ˌfɛrə(ʊ)sʌɪanɪk ˈasɪd/ , U.S. /ˌfɛroʊsaɪˌænɪk ˈæsəd/ an acid obtained by acidifying ferrocyanides, forming white crystals.Formula: H4Fe(CN)6.ΚΠ 1817 T. Thomson Syst. Chem. (ed. 5) II. 296 The whole of the baryates and sulphuric acid precipitate in combination, and leave the ferrocyanic acid dissolved in water. 1908 Jrnl. Amer. Chem. Soc. 30 1097 Investigators have produced compounds from oxygen bases, such as the ethers, alcohols and esters, and acids, such as ferrocyanic acid. 1982 D. A. Johnson Some Thermodynamic Aspects Inorg. Chem. (ed. 2) iv. 97 Because ferrocyanic acid is weak, the addition of hydrogen ions to an equimolar mixture of the cyanides lowers the concentration of ferrocyanide by a factor of about 10−7. < as lemmas |
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