1877 Watts Fownes'Chem. (ed. 12) II. 541Two dioxy⁓benzoic acids are obtained by fusing the two disulpho⁓benzoic acids with potassium hydroxide. One of these dioxy-acids forms crystals..not coloured by ferric chloride.
词汇 | diox- |
词根词缀 | OED
|
随便看 |
英语词根词缀词典收录了54763条英语词根词缀词条,基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析,是记忆英语词汇的必备工具。