borax

Japanese: borax
borax


[Sodium tetraborate]
The chemical formula is Na 2 B 4 O 7 . The decahydrate Na 2 B 4 O 7 ・10H 2 O is commonly known as borax, a white translucent mineral found in the deserts of western North America and in the sediments of salt lakes in the deserts of central Asia. It is usually extracted from natural sources with water, concentrated and precipitated, and then purified by recrystallization. …

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[四ホウ酸ナトリウムsodium tetraborate]
 化学式Na2B4O7。10水和物Na2B4O7・10H2Oがホウ砂boraxの名称でよく知られ,白色半透明の鉱物として,北アメリカ西部の砂漠地帯,中部アジアの砂漠中のかん(鹹)湖の沈殿物中に存在する。通常は天然産のものを水で抽出し,濃縮析出させたのち,再結晶により精製する。…

※「borax」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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>>:  Boraginaceae

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