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XXXII. On the Products of the Destructive Distillation of Animal Substances. Part I

Published online by Cambridge University Press:  17 January 2013

Extract

In April 1846, I communicated to the Royal Society a paper on a new organic base, to which I gave the name of Picoline, and which occurs in coal-tar, associated with the Pyrrol, Kyanol, and Leukol of Runge. In that paper I pointed out that the properties of picoline resembled, in many respects, those of a base which Unverdorben had previously extracted from Dippel's animal oil, and described under the name of Odorine; and more especially mentioned their solubility in water, and property of forming crystallisable salts with chloride of gold, as characters in which these substances approximated very closely to one another. And further, I detailed a few experiments on the odorine of Unverdorben extracted from Dippel's oil, with the view of ascertaining whether or not they were actually identical, but on too small a scale to admit of a definite solution of the question.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1848

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References

page 466 note * These odours were so exactly alike, that I was induced to seek for pyrrol in the water of gasmeters, and I found that when mixed with sulphuric acid and distilled, the product gave the characteristic reaction of pyrrol with fir-wood. Ammonia remained in combination with the sulphuric acid

page 470 note * Memoirs of the Chemical Society of London, Part xxi.