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Research ArticleArticles

Johann Wilhelm Schaffner, Leopoldo Río de la Loza, and Elemental Analysis in Mexico

Or When Pettiness Eclipses Fortune

Mariana Ortiz-Reynoso and Gabriel Eduardo Cuevas Gonzalez-Bravo
History of Pharmacy and Pharmaceuticals, January 2022, 64 (2) 154-186; DOI: https://doi.org/10.3368/hopp.64.2.154
Mariana Ortiz-Reynoso
Faculty of Chemistry of the Universidad Autónoma del Estado de México;
Roles: Professor
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  • For correspondence: [email protected]
Gabriel Eduardo Cuevas Gonzalez-Bravo
Instituto de Química of the Universidad Nacional Autónoma de México;
Roles: Researcher
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Abstract:

In 1849 Johann Wilhelm Schaffner, a German naturalist trained in Darmstadt and renowned for his botanical contributions arrived in Mexico. Three years later, the famous Mexican chemist Leopoldo Río de la Loza published the first elemental analysis developed in that country, applying it to pipitzahoic acid (perezone). The technique used was published by Justus von Liebig in 1831. However, the application of elemental analysis was not explored again in Mexico until the middle of the twentieth century, pushing back the areas of chemistry that had developed in Europe. Based on historical and historiographic sources, this article explores whether Río de la Loza’s access to Liebig’s elemental analysis technique was via his connection with Schaffner, it discusses the reasons the use of elemental analysis was abandoned in Mexico, and it highlights the lack of recognition of Schaffner’s work.

Keywords:
  • elemental analysis
  • kaliapparat
  • pipitzahoic acid
  • perezone
  • Schaffner
  • Leopoldo Rio de la Loza
  • © 2022 by the Board of Regents of the University of Wisconsin System
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History of Pharmacy and Pharmaceuticals: 64 (2)
History of Pharmacy and Pharmaceuticals
Vol. 64, Issue 2
1 Jan 2022
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Johann Wilhelm Schaffner, Leopoldo Río de la Loza, and Elemental Analysis in Mexico
Mariana Ortiz-Reynoso, Gabriel Eduardo Cuevas Gonzalez-Bravo
History of Pharmacy and Pharmaceuticals Jan 2022, 64 (2) 154-186; DOI: 10.3368/hopp.64.2.154

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Johann Wilhelm Schaffner, Leopoldo Río de la Loza, and Elemental Analysis in Mexico
Mariana Ortiz-Reynoso, Gabriel Eduardo Cuevas Gonzalez-Bravo
History of Pharmacy and Pharmaceuticals Jan 2022, 64 (2) 154-186; DOI: 10.3368/hopp.64.2.154
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  • Article
    • Abstract:
    • The Rise of Organic Chemistry, Justus von Liebig, and Elemental Analysis
    • Río de la Loza and Chemistry in Mexico
    • Río de la Loza’s Elemental Analysis of Pipitzahoic Acid (Perezone)
    • Schaffner and the Pipitzahoic Acid Route between Mexico and Europe
    • The Second Elemental Analysis in Mexico
    • The Public Attack on Río de la Loza and Its Repercussions on Elemental Analysis
    • Final Comment
    • Epilogue
    • Footnotes
  • Figures & Data
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More in this TOC Section

  • Afterword
  • An Empire of Materia Medica at the Late Medici Court
  • Special Issue Introduction
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Keywords

  • elemental analysis
  • kaliapparat
  • pipitzahoic acid
  • perezone
  • Schaffner
  • Leopoldo Rio de la Loza
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