The decomposition of the fixed alkalies and alkaline earths / by Humphry Davy.

  • Davy Humphry, Sir, 1778-1829.
Date:
1894
Catalogue details

Licence: Public Domain Mark

Credit: The decomposition of the fixed alkalies and alkaline earths / by Humphry Davy. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    ■ Davy. place, and sulphuret of potash is formed Th. , v lo parts ot mercury m volume at ^5;.Mtl:—^^^^^^^^^ m«al, similar in colour to il^ f^r' ' =rati:;-^^ r.,Il7° ,*T P* exposed to air, thev formed td 7^™'' deliquesces ie rlil?''' *row„ into water, re:,:S fee the mercury so]vir,ir'fr,°'''''T °f '^'■^■y 'is ^'''bs'ance dis- solves all the metals I have exposed to it; and in this state of u„,o„ mercury acts on iron and pla.ina. When the basis of potash is heated with gold, or silver or copper, ,„ a close vessel of pure glass, k rapidly ac^^ pon them; and when the compounds are thrown too