Metallic lead

Japanese: 金属鉛 - きんぞくえん
Metallic lead

…You can think of it as the sulfur in the matte being replaced by arsenic. Metallic lead does not mix with spices and easily undergoes phase separation, so it is often produced during lead smelting and is undesirable. For this reason, it is common to remove arsenic in preliminary treatment. …

*Some of the terminology that refers to "metallic lead" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…マットの中の硫黄をヒ素におきかえたものと考えればよい。金属鉛はスパイスと混ざり合わず,容易に相分離を起こすため,鉛製錬のときによく生成するし,きらわれる。そのため予備処理で脱ヒしておくのが普通である。…

※「金属鉛」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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