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Fused silver nitrate, shaped into sticks, was traditionally called "lunar caustic". It is used as a cauterizing agent, for example to remove granulation tissue around a stoma . General Sir James Abbott noted in his journals that in India in 1827 it was infused by a British surgeon into wounds in his arm resulting from the bite of a mad dog to ...
It was once called lunar caustic because silver was called luna by the ancient alchemists, who believed that silver was associated with the Moon. [8] [9] It is often used for gravimetric analysis, exploiting the insolubility of the heavier silver halides which it is a common precursor to. [6]
Lunar caustic/ lapis infernalis – silver nitrate, formed by dissolving silver in aqua fortis and evaporating. Lye – potash in a water solution, formed by leaching wood ashes. Potash – potassium carbonate, formed by evaporating lye; also called salt of tartar. K 2 CO 3; Pearlash – formed by baking potash in a kiln.
Silver nitrate is also sometimes used in dermatology in solid stick form as a caustic ("lunar caustic") to treat certain skin conditions, such as corns and warts. [50] Silver nitrate is also used in certain laboratory procedures to stain cells.
Soil studied by India’s Chandrayaan-3 mission near the lunar south pole adds support to the theory that the moon once had a magma ocean billions of years ago. Data from India’s historic moon ...
The published version of Lunar Caustic, for instance, was compiled by his widow Margerie Lowry and poet Earle Birney from "two distinctly different manuscripts. One bore the first title and was last worked on in 1942–44, while the other had the second name and was last edited by the (at the time living) dead author in 1951–52."
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The tradition remains today with the name of the element mercury, where chemists decided the planetary name was preferable to common names like "quicksilver", and in a few archaic terms such as lunar caustic (silver nitrate) and saturnism (lead poisoning). [4] [5] Lead, corresponding with Saturn ♄ Tin, corresponding with Jupiter ♃ ()