Electron

Japanese: electrum
Electron

...This phenomenon has been known empirically for a long time, and silver containers were used to prevent drinking water from spoiling, and silver foil was used to treat the injured.
[Production method]
Silver minerals are mainly argyrite (Ag 2 S) and hornblende (AgCl), but it also occurs as native silver in the form of an alloy with gold (electrum). However, silver ores from which silver can be extracted are rare, and it is produced as a by-product in the smelting of gold or copper, lead, or zinc sulfide ores.

*Some of the terminology that mentions "electrum" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…この現象は古くから経験的に知られており,飲料水の腐敗防止に銀製容器が,また負傷者の手当に銀箔が使用されていた。【水町 邦彦】
[製法]
 銀の鉱物は輝銀鉱Ag2S,角銀鉱AgClが主であるが,金との合金(エレクトラムelectrum)の自然銀としても産出する。しかし銀を採取できる銀鉱石はまれで,金の鉱石または銅,鉛,亜鉛の硫化物鉱石中に含有されるものから,これら金属の製錬の際に副産される。…

※「electrum」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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>>:  Electrophorus electricus

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