penolpeutalrein
phenolphthalein
phénolphtaléine ; indicateur phénolique
페놀프탈레인은 산성 용액에서 무색이고 알칼리성 용액에서 분홍색으로 변합니다.
penolpeutallein-eun sanseong yonggaek-eseo museonghago alkalisong yonggaek-eseo bunhongsaek-euro byeonhamnida.
Phenolphthalein is colorless in acidic solutions and turns pink in alkaline solutions.
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