The Discovery of Potassium and Sodium, and the Problem of the Chemical Elements

@article{Siegfried1963TheDO,
  title={The Discovery of Potassium and Sodium, and the Problem of the Chemical Elements},
  author={Robert Siegfried},
  journal={Isis},
  year={1963},
  volume={54},
  pages={247 - 258}
}
THE publication of Lavoisier's Traite Elementaire de Chimie in 1789 marks a convenient date for the beginning of the modern era of chemistry.1 Lavoisier began this work as an elaboration of an earlier expressed need for a new chemical nomenclature, but in the writing discovered " the impossibility of isolating the Nomenclature from the science and the science from the Nomenclature." 2 Meanwhile the systematic Methode de Nomenclature Chimique 3 had appeared in 1787, and its principles were… 
11 Citations
Analogy and Composition in Early Nineteenth-Century Chemistry The Case of Aluminium
Around fifteen years before the chemical substance alumina (aluminium oxide) could be decomposed in the laboratory, it was identified as a compound and predicted to contain a new element called
How to investigate the underpinnings of sciences? The case of the element chlorine
In recent publications, Harré and Llored (in: Javenovic (ed) Challenges of cultural psychology, Routledge, London, pp 189–206, 2018a; Philosophy, 93:167–186, 2018b; The analysis of practices,
Chemistry of radioactive materials in the nuclear fuel cycle
Abstract: From the days of the Manhattan Project, the chemistry of actinides and selected fission products has shaped decisions on the handling of irradiated nuclear fuel. This chemistry is
Volume Information
ABBAGNANO, N., see Gliozzi, M. Achinstein, P., rev. of Foresight and Understanding, 408; note on, 436 Ackerknecht, E. H., rev. of Theodor Schwann, Leben und Werk and Lettres de Theodor Schwann, 169;
Romanticism Versus Enlightenment: Sir Humphry Davy’s Idea of Chemical Philosophy
In a memoir on the need and usefulness of studying chemistry, the Florentine naturalist Giuseppe Gazzeri underlined in 1802 the “giant and steady steps” made by chemistry in the last years, that had
A Complete Bibliography of Publications in Isis, 1960{1969
Aborigenes [78]. according [155]. Action [39, 72]. actuelle [87]. actuelles [107, 84]. Acvaghosa [8]. Aegypten [30]. Aether [126]. Agnes [42]. al [11]. Albert [45]. alcune [51]. Algerien [30]. alla
Optimal potassium levels in patients with heart failure.
  • R. Pudil
  • Medicine, Biology
    Vnitrni lekarstvi
  • 2021
TLDR
The results of several studies have been published that have focused on potassium levels and mortality and have shown that the optimal potassium levels in patients with heart failure should be between 4-5 mmol/L.
...
...