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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    fo that nine grains of air were diffipated. Hence it appears, that fifteen grains of Salt of Tartar in folution, was capable of containing nine grains of Fixible Air, which, if we fuppofe Fixible Air to be in weight to common air as three are to two, amount to about thirteen ounce meafures. ace EXPERIMENT II. were put into a vial, and accurately coun- terpoifed, as was another vial containing _ diluted vitriolic acid; I dropped the acid upon the alkali until all effervefcence ceaf- ed. On weighing each of them again, the acid was found to have loft fifty-three grains, and the alkali to have gained forty- feven and a half—difference five grains and _ahalf. The dry fale of tartar therefore appears not to be half faturated with Fixi- ble Air, being in this refpe& to that con- tained in the mephitic alkaline water, as eleven to twenty-four. According to Dr. Dobfon’s Experiments