Abstract
THE chemistry of resins has been very much neglected by investigator so much so that even now the empirical for of the best known of their constituents—Acetic acid, which was isolated from ordinary rosin more than eighty years ago—is still a matter of dispute. It is difficult to account for this neglect, since many of the naturally occurring resins are readily resolved into crystalline or otherwise well-defined substances, so that the subject does not present the initial difficulties encountered by the investigators who have studied the terpenes, proteids, and similar intractable natural products. Resins should now be particularly attractive to chemical workers, since Prof. Tschirch and his collaborators have surveyed almost the whole field in a preliminary manner, and from their results it is possible to select the most promising materials for detailed investigation.
Die Harze und die Harzbehälter mit Einschluss der Milchsäfte.
By A. Tschirch. Zweite stark erweiterte Auflage. Erster und zweiter Band. Pp. xxii + 1268. (Leipzig: Gebrüder Bornträger, 1906.) Price 32 marks.
The Distillation of Resins.
By Victor Schweizer. Pp. viii + 183. (London: Maclaren and Sons; New York: Van Nostrand and Company, n.d.) Price 10s. 6d.
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H., T. Die Harze und die Harzbehälter mit Einschluss der Milchsäfte. The Distillation of Resins . Nature 76, 193–194 (1907). https://doi.org/10.1038/076193a0
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DOI: https://doi.org/10.1038/076193a0
