An essay on the analysis of mineral waters / by Richard Kirwan.

  • Kirwan, Richard, 1733-1812.
Date:
1799
Catalogue details

Licence: Public Domain Mark

Credit: An essay on the analysis of mineral waters / by Richard Kirwan. 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.

    54/318 (page 34)
    CHAP. II. OF TESTS. Under this head I shall mention only the most decisive, or those that are necessary in particular cases, or that serve to confirm the inductions drawn from others. §• I. OF THE GENERAL TESTS OF FIXED AIR, AND OF THE MINERAL ACIDS. I. FIXED AIR. V This air is found in Mineral Waters in three states; either merely combined, or partly combined and partly semi-combined, or uncombined. 1. Infusion of Litmus is not reddened by waters that hold fixed air merely in a state of combination, as in waters that contain soda merely aerated, but not super-saturated therewith. 2. This infusion will be reddened by waters holding fixed air partly combined and partly semi-combined, if the semi-combined part