NITROUS ACID • FREE-TRANSLATOR.COM • Definition of Nitrous acid

... the properties of the composition of nitre, salt of tartar, and sulphur, called pulvis fulminans. Of this, the explosion is produced by heat alone. Monsieur Bertholet, by dissolving silver in the nitrous acid, precipitating it with lime-water, and drying the precipitate on ammoniac, has discovered a powder, which fulminates most powerfully, on coming into contact with any substance whatever. Once made, it cannot be touched. It cannot be put into a bottle, but must remain in the ...

— Memoir, Correspondence, And Miscellanies, From The Papers Of Thomas Jefferson - Volume I • Thomas Jefferson

... filings or slips of copper with nitrous acid in a receiver. When the acid is saturated, the slips are to be removed; or, if filings be employed, the solution is to be poured off from what remains undissolved; small bars are then put in, which will precipitate the copper from the saturated acid, in a powder of the peculiar appearance ...

— Young's Demonstrative Translation of Scientific Secrets • Daniel Young