緩かん衝しょう液えき

noun

buffer solution

Technical term in chemistry for a solution that resists changes in pH when small amounts of acid or base are added.

• 実じっ験けんでは、pHを一いっ定ていに保たもつために緩かん衝しょう液えきを使つかいます。

  In the experiment, we use a buffer solution to keep the pH constant.