Fehling, H. von

Japanese: Fehling,H.von(英語表記)FehlingHvon
Fehling, H. von

...A reagent used to detect and quantify aldehydes and reducing sugars. It was created in 1848 by German chemist Hermann von Fehling (1812-85) and is a strongly alkaline blue solution mainly composed of a tartrate complex of copper(II) ions. If left for a long time, it will decompose and produce reducing substances, so the following two solutions, A and B, are prepared separately in advance and equal amounts of both solutions are mixed just before use.

*Some of the terminology that mentions "Fehling, H. von" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…アルデヒドや還元性糖類の検出,定量に用いられる試薬。ドイツの化学者フェーリングHermann von Fehling(1812‐85)が1848年に創製したもので,銅(II)イオンの酒石酸錯塩を主体とする強アルカリ性の青色溶液をいう。長時間放置すると分解して還元性物質を生じるので,あらかじめ次のA,B2液を別々に調製しておき,使用直前になって両液を等量混合して用いる。…

※「Fehling,H.von」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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