Chemical observations on sugar.

  • Rigby, Edward, 1747-1821.
Date:
1788
Catalogue details

Licence: Public Domain Mark

Credit: Chemical observations on sugar. Source: Wellcome Collection.

Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.

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    made in the chemical inveftigation of its conftituent principles; the various accounts of the chemical nature of fugar, given by different writers, being fufficient proofs of its true analyfis being unknown to them. By fome it has been deferibed as the na- tive fait of a vegetable, rendered inflam- mable by the mixture of a certain por- tion of oil.—By others it has been called an effential fait, confiding of an acid united with a large quantity of a very atte- nuated and mucilaginous earth, and with a certain quantity of fweet and not vola- tile oil. And by others it has been faid to be a native foap, confiding of an oil ren- dered mifcible with water, by means of a faline fubdance. These accounts are, obvioufly, too vague and indeterminate, not to fay unintelligible, to be admitted as chemical definitions, and they appear, evidently, to have been de- rived