phenolphthalein

[US]/fɪˈnɒlθəliːn/
[UK]/fɪˈnɑlθəlin/
Frequency: Very High

Translation

n.一種用作pH指示劑的化合物
Word Forms

Phrases & Collocations

phenolphthalein indicator

酚酞指示劑

phenolphthalein solution

酚酞溶液

phenolphthalein test

酚酞測試

phenolphthalein color

酚酞顏色

phenolphthalein endpoint

酚酞終點

phenolphthalein reaction

酚酞反應

phenolphthalein ph

酚酞 pH

phenolphthalein usage

酚酞使用

phenolphthalein experiment

酚酞實驗

phenolphthalein properties

酚酞性質

Example Sentences

the solution turned pink when phenolphthalein was added.

當加入酚酞時,溶液變成粉紅色。

phenolphthalein is commonly used as a ph indicator.

酚酞常用作pH指示劑。

in the laboratory, phenolphthalein helps determine acidity.

在實驗室中,酚酞有助於確定酸度。

phenolphthalein changes color at a ph of around 8.2.

酚酞在pH值約爲8.2時變色。

many chemistry experiments utilize phenolphthalein for titrations.

許多化學實驗利用酚酞進行滴定。

phenolphthalein can be used to test the strength of a base.

酚酞可用於測試鹼的強度。

students often learn about phenolphthalein in chemistry class.

學生們通常在化學課上學習酚酞。

to demonstrate a reaction, add phenolphthalein to the solution.

爲了演示反應,向溶液中添加酚酞。

phenolphthalein is a key reagent in acid-base chemistry.

酚酞是酸鹼化學中的關鍵試劑。

using phenolphthalein, we can visually observe the endpoint.

通過使用酚酞,我們可以直觀地觀察到終點。

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