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词汇
酚酞指示剂
释义
酚酞指示剂
fēn tài zhǐ shì jì
酸碱指示剂之一。由酚酞溶解在酒精溶液中而成。在酸性溶液中呈无色,在碱性溶液中呈红色。常用于化学实验及化工生产中。
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更新时间:2026/8/6 20:31:05