Auguste Scheurer-Kestner. Contribution to the atomicity of iron

Research output: Contribution to journalArticlepeer-review


It was known that the normal salts of the higher oxides could be made basic and still be soluble. Auguste Laurent had postulated that the same body could have two different atomic masses if the functions it performed were considered, for example, Fe2 (ferrosum = 28) and Fe4/3 (ferricum = 18.66). Scheurer-Kestner proved that when iron was dissolved in nitric acid to saturation, the result was always basic iron nitrate and the basicity depended on the concentration of the acid as a ferric salt. To demonstrate the hexatomic nature of iron Scheurer-Kestner prepared and determined the properties of a variety of ferric polyacid and acetol nitrates and showed that although all of them were well defined and crystallized, they did not lend themselves to rational representation while retaining the old atomic mass of the element.

Original languageEnglish
Pages (from-to)140-149
Number of pages10
JournalEducacion Quimica
Issue number1
StatePublished - 1 Jan 2022


  • Atomicity
  • Higher oxides
  • Iron, iron salts

ASJC Scopus subject areas

  • General Chemistry
  • Education


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