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Is Ethyl Acetate Volatile
论乙酸乙酯之挥发性
或问:“乙酸乙酯可挥发乎?”
对曰:“乙酸乙酯,具挥发性。其常温常压之下,易由液态转为气态逸散。缘其分子间作用力非强,获外界能量,如受热,分子热运动加剧,足以挣脱彼此束缚,自液相跃入气相。观之常见实验场景,敞口置乙酸乙酯于空气中,时不久,其量渐减,此乃挥发之明证。于工业生产,亦需防其挥发致损耗及安全隐患。由是可知,乙酸乙酯确具挥发性。”
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Yana Yang
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