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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Alvaro Alonso Barba ： ウィキペディア英語版 Alvaro Alonso Barba Alvaro Alonso Barba was a secular Catholic priest and metallurgist. Antonio (1786) says, "Baeticus ex oppido Lepe, apud Potosi"; hence Barba is assumed to be of Andalusian origin, from the ancient Roman province of Baetica. From the words Lepe and Potosi, Lipes in western Bolivia might be indicated. He lived at Potosi during the period when its silver mines were most productive and luxury among the Spanish residents and mine owners had nearly reached its height. Father Barba divided his time between his priestly duties and a close study of the ores of this region and their treatment. There had been, since 1570, a complete revolution in the treatment of silver ores, through the application of mercury, and a number of improvements followed, of which Barba had knowledge. In 1609, he invented the ''pan amalgamation'' process (in Spanish the ''cazo'' or ''fondo'' process) for extracting silver from ore by mixing it with salt and mercury and heating it in shallow copper vessels. In 1640 he published in Madrid a book entitled ''Arte de los Metales'', the earliest work on South American ores and minerals. It includes information on mineral localities in Bolivia. The book has been republished in Spanish, French and English. ==Notes== 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「Alvaro Alonso Barba」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.