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Pagine di storia

Vol. 1 No. 1 (2025): Chimica nella Scuola n. 1 2025

Raffaele Piria e gli studi sulla salicina

DOI
https://doi.org/10.1473/cns.v1i1.227
Submitted
3 April 2025
Published
04-04-2025

Abstract

Raffaele Piria’s researches on salicin and populin are here reviewed to show: (1) how, at the middle of XIX century, the uncertainty on atomic weights led to different formulas for the same organic substance; (2) how the composition of large organic molecules could be found, by breaking them in smaller residuals; (3) how the attacking points, by which smaller molecules united each other to give bigger ones, were found.