Camphor oil

Japanese: camphor oil(英語表記)camphoroil
Camphor oil

...Camphor is also used for the flotation of sulfide ores of copper and zinc.
[Camphor oil]
As mentioned above, this is an essential oil that is distilled together with camphor when camphor trees and other materials are steam distilled. Since a large amount of camphor particles (about 50%) are suspended in it, when it is separated it is obtained as a yellowish brown liquid with a specific gravity of 0.95 to 0.995. This liquid is then fractionally distilled into white oil (distilled at 160 to 185°C), red oil (210 to 215°C), and indigo oil (220 to 300°C).

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…ショウノウはまた銅や亜鉛の硫化鉱石の浮遊選鉱用にも利用されている。
[ショウノウ油camphor oil]
 前述のようにクスノキなどを水蒸気蒸留したときにショウノウとともに留出する精油で,ショウノウの微粒が多量(50%程度)に浮遊しているので,これを分別すると比重0.95~0.995の黄褐色の液体として得られる。この液体を分留して,白油(160~185℃で留出),赤油(210~215℃),ラン(藍)色油(220~300℃)に分ける。…

※「camphor oil」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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