…A type of yellow acid dye that has a carboxylic acid group in the molecule, and the free acid is an oil-soluble dye. The sodium salt and potassium salt are called uranine and are used in fluorescent dyes, bath additives, adsorption indicators, fluorescent indicators, etc. It is synthesized by heating and condensing resorcinol and phthalic anhydride in the presence of zinc chloride and sulfuric acid, and is converted to the sodium salt or potassium salt as necessary. … *Some of the terminology explanations that mention "uranine" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…黄色の酸性染料の一種で,分子中にカルボン酸基をもち,遊離酸は油溶染料。ナトリウムNa塩,カリウムK塩はウラニンuranineと呼ばれ,蛍光染料,浴剤,吸着指示薬,蛍光指示薬などに使用される。レゾルシンと無水フタル酸を塩化亜鉛,硫酸の存在で加熱縮合して合成し,必要によりナトリウム塩またはカリウム塩とする。… ※「ウラニン」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 |
<<: Uranographia - Uranographia
>>: Backside Japan Climate - Backside Japan Climate
…A Central European republic that existed from 19...
...A hypothetical satellite's speed on the Ea...
A transaction in which many people bid competitive...
A general term for songs used in Kyogen. They gene...
Re. Element with atomic number 75. Electron confi...
A private university in Seoul, South Korea. It is ...
Its chemical formula is (NH 4 ) 2 SO 4 . Its speci...
?-850 King who is said to be the founder of the An...
...Currently, the pygmies are distributed over a ...
Class: Cestoda, Order: Cynodontida, Family: Polyor...
It is an indoor sport in which a non-metallic bal...
British geologist. Born in Ross-shire (now Ross a...
... After World War I, the labor and nationalist ...
…A family coat of arms is a shield-shaped frame c...
This refers to the artificial creation of various...