Abstract
PARIS. Academy of Sciences, September 20.—M. A. Chatin in the chair.—On the hypocycloid with three inflections, by M. Paul Serret.—On oxycellulose, by M. Léo Vignon. This substance is prepared from cellulose by the action of hydrochloric acid and potassium chlorate, and its composition is expressed by the formula C24H38.O21. Its absorptive power for dyes is greater than that of cellulose. Oxycellulose behaves as an aldehyde towards Schiffs reagent.—On retamine, by MM. J. Battandier and Th. Malosse. The combination of this base with hydrobromic, sulphuric, and hydriodic acids have been prepared, the last-named being obtained in fine crystals, C15H26N2O.2HI.—The influence of colouring matters upon the fermentation of highly coloured red wines, by MM. P. Carles and G. Niviere. The incomplete transformation of sugar into alcohol in highly coloured wines is not due to the acidity, but to the antiseptic action of the colouring matter itself.—On the function of Pseudocommis vitis (Debray) in two diseases of the vine, by M. E. Roze.
Article PDF
Rights and permissions
About this article
Cite this article
Societies and Academies. Nature 56, 536 (1897). https://doi.org/10.1038/056536a0
Issue Date:
DOI: https://doi.org/10.1038/056536a0