 The degree of purity of gold is expressed by the number of parts of that metal, contained in the 24 parts of any mixture. Thus gold, which in 24 such parts (termed carats,) contains 22 of the pure metal is said to be 22 carats fine. Absolutely pure gold,...  The Elements of Experimental Chemistry - Seite 55von William Henry - 1819Vollansicht - Über dieses Buch
 | Jeremiah Joyce - 1818 - 268 Seiten
...and medals alloys of gold and copper ? Tutor. They are : and in all cases the degree of purity of the gold is expressed by the number of parts of that metal contained in twenty-four parts of anymixture. Thus gold, which in twenty-four such parts, called carats, contains... | |
 | 1826 - 652 Seiten
...applied with a pencil, and burnished after it has been exposed to the heat of the porcelain furnace. The degree of purity of gold is expressed by the number of parts of that metal, contained in the 24 parts of any mixlure. Thus, gold, which in 24 such parts (termed carats,} contains 22 of the... | |
 | 1828 - 664 Seiten
...furnace. The degree of purity of gold is expressed by the number of parts of that metal, contained in the 24 parts of any mixture. Thus gold, which in 24 such...carats fine. Absolutely pure gold, using the same language, is 24 carats fine ; and gold alloyed with an equal weight of another melal, 12 carats fine.... | |
 | John White Webster - 1839 - 618 Seiten
...1283. The degree of purity of gold is expressed by the number of parts of that metal, contained in the 24 parts of any mixture. Thus gold, which in 24 such...carats fine. Absolutely pure gold, using the same language, is 24 carats fine ; and gold alloyed with an equal weight of another metal, 12 carats fine-t... | |
 | John White Webster - 1839 - 592 Seiten
...pencil, and burnished after it has been exposed to the heat of the porcelain furnace. Carau. 1283. The degree of purity of gold is expressed by the number of parts of that metal, contained in the 24 parts of any mixture. Thus gold, which in 24 such parts (termed carats,) contains 22 of the... | |
 | James Dunwoody Brownson De Bow, R. G. Barnwell, Edwin Bell, William MacCreary Burwell - 1847 - 372 Seiten
...nation in Georgia, and from the Rappahannock In Virginia, to theCoosain Alabama, (Com. 'a Chcm., 236.) The degree of purity of gold is expressed by the number...mixture ; thus gold which in 24 such parts, termed carols, contains 22 of pure metal, is said to be 22 carats fine. — Henry's Chem., 1, p. 134. SILVEB.—... | |
 | James Dunwoody Brownson De Bow - 1852 - 490 Seiten
...the Coona in Alabama, (Coin.'x Chem., 236.) Thi degree of purity of gold is expressed by the numbei of parts of that metal contained in 24 parts of any...mixture ; thus gold which, in 24 such parts, termed must be as ancient, though perhaps in much mperfection, as the first attempt as coinage. These chemical... | |
 | James Dunwoody Brownson De Bow - 1852 - 492 Seiten
...Virginia, to the Coosa in Alabama, (t*"rn.'.<t t'firm., 23fi.) The decree of purity of pold is expressed hy the number of parts of that metal contained in 24' parts of any mixturt! ; thus gold which, in 24 such parts, termed must be as ancient, though perhaps in muck imperfection,... | |
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