Primary Slime - Ichiji Slime

Japanese: 一次スライム - いちじすらいむ
Primary Slime - Ichiji Slime

...Ore extracted from mines contains fine particles that are naturally generated during the mining and transportation processes, and these are often separated from the coarse particles in pretreatment processes such as washing. Such fine particles (usually 74 μm or less) are called primary slime and are sometimes distinguished from the slime newly generated in the subsequent crushing process. [Inoue Toshio] When electrolytically refining metals, impurities contained in the anode metal do not dissolve in the electrolyte and remain in the form of fine particles on the anode surface in a mud-like state, or accumulate at the bottom of the electrolytic cell. ...

*Some of the terminology explanations that mention "primary slime" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…鉱山において採掘された鉱石の中には,採掘,運搬などの工程において自然に発生した微粒子が含まれており,これらはしばしば水洗などの前処理工程において粗粒子群から分離される。このような微粒子(ふつう74μm以下を指すことが多い)は一次スライムと呼ばれ,後の粉砕工程において新たに生成されたスライムから区別されることがある。【井上 外志雄】 金属を電解精製する際には,陽極金属中に含まれる不純物などが,電解液に溶けずに微粒子状態で陽極表面に泥状に残ったり,電解槽の底にたまる。…

※「一次スライム」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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