 | Friedrich Christian Accum - Chemistry - 1803 - 384 pages
...of Cassius.) If \ve immerse into a solution of gold in nitro-muriatic acid a sheet of tin, the oxid of gold is precipitated of a purple colour, and, when scraped off and collected, forms the purple powder, or precipitate of Cassius, much employed in enamelling. It... | |
 | Daniel Defoe - 1815 - 602 pages
...green sulphate of iron. \Yhen a sheet of tin is im* merged in a solution of nitro-muriate ol gold, th« oxide of gold is precipitated of a purple colour and when scraped ou' and collected forms the " purple powder of Ca«sius," much employed in enamelling. The same precipitate... | |
 | William Henry - Chemistry - 1819 - 482 pages
...takes from the oxide of gold. XI. When a sheet of pure tin is immersed in a solution of nitromuriate of gold, the oxide of gold is precipitated of a purple colour ; and, when scraped off and collected, forms the purple powder of Cassius, much employed in enamelling. Or the metallic salt,... | |
 | Chemistry - 1826 - 652 pages
...of gold. Pa-pie of 1644. When a sheet of pure tin is immersed in a solution of cauui. nitro-muriate of gold, the oxide of gold is precipitated of a purple colour; and, when scraped off and collected, forms the purple powder of Cassius, much employed in enamelling. Or the * For a detail... | |
 | Chemistry - 1828 - 664 pages
...takes it from the oxide of gold. 1713. When a sheet of pure tin is immersed in a solution of Purple of ' gold, the oxide of gold is precipitated of a purple colour; and, * For a detail of varioim nxpcriniPnte of a similar kin»! consult an Ksiuy nn Combustion, by Mri Fnlhnme... | |
 | William Henry - Chemistry - 1831 - 642 pages
...without producing any change. (e) When a sheet of pure tin is immersed in a solution of nitromuriate of gold, the oxide of gold is precipitated of a purple colour; und when scraped offand collected, forms the purple powder of Cassius, much employed in enamelling.... | |
 | 1841 - 488 pages
...from its solution by tin. If we immerse into a solution of gold in nitro-muriatic acid a sheet of tin, the oxide of gold is precipitated of a purple colour ; and, when scraped off and collected, forms the purple powder, or precipitate of cassias, much employed in enamelling. It... | |
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When a sheet of pure tin is immersed in a solution of nitromuriate of gold, the oxide of gold is precipitated of a purple colour ; and, when scraped off and collected, forms the purple powder of Cassius, much employed in enamelling. Or the... 