Experiments upon magnesia alba, quick-lime and other alcaline substances / by Joseph Black ; To which is annexed, an essay on the cold produced by evaporating fluids, and some other means of producing cold; by William Cullen.

  • Joseph Black
Date:
1777
Catalogue details

Licence: Public Domain Mark

Credit: Experiments upon magnesia alba, quick-lime and other alcaline substances / by Joseph Black ; To which is annexed, an essay on the cold produced by evaporating fluids, and some other means of producing cold; by William Cullen. Source: Wellcome Collection.

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    • ./- 4 method of preparing it was not gene¬ rally known before he made it public It was originally obtained from a liquor called the mother of nitre, which is produced in the following manner : Salt-pet re is feparated from the brine which firft affords it, or from the water with which it is walked out of nitrous earths, by the procefs com¬ monly ufed in cryftallizing falts. In this procefs the brine is gradually di» minifhed, and at length reduced to a finall quantity of an unftuous bitter faline liquor, affording no more falt- petre by evaporation ; but, if urged with a brilk fire, drying up into a con- s ’ ! » f Hoff, op, T. 4. p. 479*
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