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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 List of chemical elements naming controversies ： ウィキペディア英語版 List of chemical elements naming controversies The currently accepted names and symbols of the chemical elements are determined by the International Union of Pure and Applied Chemistry (IUPAC), usually following recommendations by the recognized discoverers of each element. However the names of several elements have been the subject of controversies until IUPAC established an official name. In most cases the controversy was due to a priority dispute as to who first found conclusive evidence for the existence of an element, or as to what evidence was in fact conclusive. This article provides a brief history of these controversies, in order of the atomic number of the elements concerned. ==Element 23== Vanadium (named after Vanadis, another name for Freyja, the Scandinavian goddess of fertility) was originally discovered by Andrés Manuel del Río (a Spanish-born Mexican mineralogist) in Mexico City in 1801. He discovered the element after being sent a sample of "brown lead" ore (''plomo pardo de Zimapán'', now named vanadinite). Through experimentation, he found it to form salts with a wide variety of colors, so he named the element panchromium (Greek: all colors). He later renamed this substance erythronium, since most of the salts turned red when heated. The French chemist Hippolyte Victor Collet-Descotils incorrectly declared that del Río's new element was only impure chromium. Del Río thought himself to be mistaken and accepted the statement of the French chemist that was also backed by del Río's friend Alexander von Humboldt. In 1831, Sefström of Sweden rediscovered vanadium in a new oxide he found while working with some iron ores. He chose to call the element vanadium after the Old Norse ''Vanadís'', another name for the Norse Vanr goddess Freyja, whose facets include connections to beauty and fertility, because of the many beautifully colored chemical compounds it produces. Later that same year Friedrich Wöhler confirmed del Río's earlier work. Later, George William Featherstonhaugh, one of the first US geologists, suggested that the element should be named "rionium" after del Río, but this never happened. 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「List of chemical elements naming controversies」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.