A scheme for a course of chymistry / to be performed by Henry Pemberton.

  • Henry Pemberton
Date:
1731?]
Catalogue details

Licence: Public Domain Mark

Credit: A scheme for a course of chymistry / to be performed by Henry Pemberton. Source: Wellcome Collection.

    11/18 (page 9)
    [9] ‘4 Lecture X. The acid fpirits of the preceding lec¬ ture fermented with the fixt alkaline fait of vegetables, with an account of the falts thence produced: the like experiments with the volatile alkali: here the compofition of fal ammoniac, with its fublimation: the earthy part of all the mineral falts, except nitre, precipitated by alkaline falts; whence fome light into the nature of nitre: the fixt alkali more powerful than the volatile 5 hence the decompofition of fal ammoniac by a fixt alkaline fait, the purification of ani¬ mal falts by fpirit of fea fait, falia volatilia oleofa. The nature of the pigments made with alum: the Pruflian blue here prepared, and fhewn why a large quantity of this co¬ loured terreftrious fubftance is produced from two tranfparent liquors: the ufe of alum in dying. Homberg’s phofphorus made. That the acid fpirits difpoflefs one another: hence aqua regia by adding common fait or fal ammoniac to fpirit of nitre j and the fpirits of fea fait and of nitre extraded by oil of vitriol, whence Glauber’s fpirits of fait and of nitre; and by vitriol itfelf, whence com¬ mon aqua fortis. The ufe of aqua fortis in dying fcarlet. Why Glauber’s fpirits of fait and of nitre, as alfo aqua fortis, fmoke in- cefiantly; and why oil of vitriol expofed to the air increafes in bulk. Here occafionally how