Denshi Jisho — Online Japanese dictionary

Found 1 sentence.

リトマス溶液液性(酸性中性、塩基性)調べるときリトマスすべて溶液浸すなく、先端部分だけ浸します。 When investigating the pH (acidic, neutral, alkaline) of a liquid, don't soak the litmus paper completely in the liquid but just put the end of the paper in it.