A chemical catechism: in which the elements of chemistry, with the recent discoveries ... are fully explained. Containing an appendix of select experiments / By Thomas John Graham.

  • Thomas John Graham
Date:
1829
Catalogue details

Licence: Public Domain Mark

Credit: A chemical catechism: in which the elements of chemistry, with the recent discoveries ... are fully explained. Containing an appendix of select experiments / By Thomas John Graham. Source: Wellcome Collection.

    612/640 (page 592)
    2.*— Table consisting of Frigorific Mixtures, combined so as to increase or extend Cold to the extremest Degrees. Combination of Frigorific Mixtures. MIXTURES. Thermometer sinks. Degree of cold produced. Phosphate of soda .... 5 parts Nitrate of ammonia .... 3 Diluted nitric acid 4 From 0° to — 34° 34 | \ Phosphate of soda .... 3 parts Nitrate of ammonia .... 2 Diluted mixed acids .. 4 From — 34 to —• 50° 16 , Snow 3 parts Diluted nitric acid 2 From 0° to — 46° 46 Snow 8 parts Diluted sulphuric acid .. 3 Diluted nitric acid .... 3 From — 10° to — 56° 46 Snow 1 part Diluted sulphuric acid .. 1 From — 20° to — 60° 40 Snow 3 parts Muriate of lime ........ 4 From + 20° to — 4S° 68 Snow 3 parts Muriate of lime 4 From -f- 10° to — 54° 64 Snow 2 parts Muriate of lime........ 3 From — 15° to — 68° 53 Snow 1 part Cryst. muriate of lime .. 2 From 0° to — 66° 66 Snow ] part Cryst. muriate of lime .. 3 From — 40° to — 73 33 Snow 8 parts Diluted sulphuric acid.. 10 From — 68° to — 91° 23 N. B.—-The materials in the first column, are to be cooled, previously to mixing, to the temperature required, by mixtures taken from the preceding tables.