n-Hexane extracts

Japanese: n-ヘキサン抽出物質 - えぬへきさんちゅうしつぶっしつ
n-Hexane extracts

...A method has also been developed to measure organic contamination using the ultraviolet wavelengths used (units are nm), and it is known that the TOC/E 260 ratio is closely related to THM formation. n-Hexane extractables are used as an indicator of contamination by relatively low-volatility oils in water. This method makes use of the fact that these oils are easily extracted with normal hexane, and phenols and colloidal sulfur are also quantified at the same time. ...

*Some of the terminology that refers to "n-hexane extracts" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…数字は使用する紫外線の波長で,単位はnm)から有機汚染を測定する方法も開発され,TOC/E260の比がTHM生成と密接に関係することが知られている。n‐ヘキサン抽出物質は,水中の比較的揮発しにくい油分による汚染を表す指標として用いられる。これらの油分がノルマルヘキサンで抽出されやすいことを利用したものであるが,フェノールやコロイド状硫黄も同時に定量される。…

※「n-ヘキサン抽出物質」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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