沈ちん殿でん剤ざい

noun

precipitant; precipitating agent

Technical term in chemistry for a substance that causes precipitation from a solution.

• この実じっ験けんでは沈ちん殿でん剤ざいとして水すい酸さん化かナトリウムを使つかいます。

  In this experiment, we use sodium hydroxide as the precipitating agent.