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Platinum sterling : ウィキペディア英語版 | Platinum sterling
Platinum Sterling is a registered trademark name of ABI Precious Metals, Inc. The trademark covers a range of alloys whose primary constituents are platinum and silver, primarily used in jewellery.〔() ABI Precious metals marketing information for Platinum Sterling〕 The range of Platinum Sterling alloys was developed in 2003 by Marc Robinson, and its solder was created by Chuck Bennett. ==Properties==
The platinum is used to replace at least some of the copper present in a typical sterling silver alloy, which provides a greater light reflectivity (by refining the grain structure) and resistance to tarnish (thought to be caused by oxidation of copper) than standard sterling silver. Platinum Sterling is a cheaper alternative to white gold. It is also allegedly hard wearing and very white and so does not require rhodium plating like white gold.〔() Spotlight on innovative metals.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Platinum sterling」の詳細全文を読む
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