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George William Johnson
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295. Johnson, G. W., [Chemische Fabrik Griesheim-Elektron]. Jan. 4. Potassium; sodium; metals, extracting.-Alkali metals are obtained by heating a mixture of an alkaline fluoride or double fluoride and calcium carbide in a retort or other suitable vessel. The retort should be exhausted or filled with an inert gas. Reference is made to Specification No. 18,604, A.D. 1898, and to various chemical treatises.
GB190200295D1902-01-041902-01-04Improvements in the Manufacture of the Metals of the Alkalies.
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Apparatus for the electrolytic revivification of ferrocyanide of potassium formed in the purification of gases by oxidation of hydrogen sulphide with ferricyanide of potassium
The decomposition of sulphur compounds in coal gas, water gas, producer gas, waste furnace gas or other combustible power gas, or in bye-products obtained in the manufacture thereof