gold salt

gold salt

[′gōld ‚sȯlt]
(inorganic chemistry)
sodium gold chloride
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Zhichang Liu, then a postdoctoral fellow in Stoddart's lab, was originally trying to make an extended, three-dimensional cubic structure by mixing together two test tubes--one containing alpha-cyclodextrin and the other a dissolved gold salt. While he thought he would end up with a 3-D structure to store gases and small molecules, Liu really ended up with needles, comprising straw-like bundles of supramolecular wires.
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Less common adverse events include allergic reaction, darkening of cosmetic tattoos, immune reaction, and chrysiasis, which is a dark-blue pigmentation caused by Q-switched laser treatment in patients with a history of gold salt ingestion.
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The 16 and 18 gold nanospheres (AuNSs) used as seeds were prepared by a reverse-modified Turkevich method [34] by citrate reduction of gold salt. Shortly, in a three-neck round-bottom flask with a condenser mounted, a citrate solution was brought to boiling by a heating mantle for 5 mins; then a gold solution of initial concentration of 25 mM was added, and after a light red ruby color appeared the system was left to react for half hour.
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approaches takes a longer time (1 hr) for gold salt reduction.
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Daniel, "Effect of high gold salt concentrations on the size and polydispersity of gold nanoparticles prepared by an extended Turkevich-Frens method," Gold Bulletin, vol.
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These suspensions were prepared under conditions of lowest concentration of gold salt (systems 1,2, and 3), and sample 9 was obtained at the highest pH value.
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One of the team, Zhichang Liu, mixed a sugar named alpha-cyclodextrin, which is derived from cornstarch, with dissolved gold salt in the hopes of creating some sort of three-dimensional cubic structure.
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There were some 30 gold salt cellars and 14 basins in Henry VIII's Jewel House by 1532, and he also had 36 gold cups (Fig.
The trail of gold: gold has long been equated with wealth and status yet the metal has played a smaller part in English collections than might be expected. Furthermore, the vogue for gold has fluctuated over the centuries, yet surviving examples--from medieval cups to Regency dinner services--are now among the highlights of UK national collections
In Chapter 1, she uses hydrogen to reduce a gold salt. She dissolved gold in aqua regia (a solution of nitro-muriatic acid) and then treats this with ether, in which the gold salt preferentially dissolves.
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The addition of bulk metallic gold to Aqua Regia dissolves the gold and forms a gold salt, [AuCl.sub.4]H, a trichloride of gold with one molecule of HCl attached to [AuCl.sub.3].
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The table is laden with metal accessories that make an elegant table setting as the brass plate chargers and brass angular napkin rings are offset by gold flatware and gold salt and pepper shakers.
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ABOUT 4 AM ON SUNDAY May 11th, 2003, thieves broke into the Kunsthistorischesmuseum in Vienna and carried off one of the greatest treasures produced by the Italian Renaissance: the gold salt cellar made by Benvenuto Cellini for the French king, Francis I.
The King and the Craftsman: few works of art are as closely linked to history as the gold salt cellar commissioned by Francis I of France in 1541 from the Florentine goldsmith and sculptor, Benvenuto Cellini. Its theft three years ago from an Austrian art gallery is a major loss to world heritage as Robert Knecht explains

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