A medical commentary on fixed air ... / By Matthew Dobson.

  • Matthew Dobson
Date:
1787
Catalogue details

Licence: Public Domain Mark

Credit: A medical commentary on fixed air ... / By Matthew Dobson. Source: Wellcome Collection.

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    ceflary to ufe the greateft caution in pre- vioufly faturating the alkaline folution with carrying on the. evaporation as gradually, and of courfe, with the leaft heat pof- fible, and frequently removing it from the fire, and fuffering the falt to cryftallize, which laft procefs alfo fhould be gradual, and therefore when the liquor ‘is removed the cryitals that are formed, and again eva- porated in like manner. . I apprehend that porated pretty nearly to the point at which cryftallization would begin to take place, again into the glafs machine, and impreg- nate it a fecond time with Fixible Air, which will probably, by fupplying the ‘Fixible Air that may have been diffipated by the heat, accelerate the cryftallization, and enfure the neutralization of the alkali. The ‘ticis, tam refolvendo, preaefertim fi recens fuerit: tar- tarei muci concrementum, quam exturbando illius co- piam egregié et cito, opitulatur fal Carolinarum. De Sale Wedicinal Lurelaseuias § XXII. Saas