Mayer's reagent
(chemistry) A solution of mercuric chloride and potassium iodide, used to detect alkaloids by causing them to precipitate.
(philosophy) The property or degree of being choiceworthy; desirability.
(law) The principle that a person shall receive no punishment unless he has committed an offence as explicitly defined in a law.
Alternative form of they-uns
化学者がアルカロイドを検出するための塩化水銀とヨウ化カリウムの溶液を抽出物に加えると、乳白色の沈殿ができ、アルカロイドの存在を示しました。
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