“Vigreaux column”的概念、定义、翻译、参考文献-科学参考

单词	Vigreaux column
释义	Vigreaux column [ve`grō ´käl·ǝm] ^{ANALYTICAL CHEMISTRY} An obsolete apparatus used in laboratory fractional distillation; it is a long glass tube with indentation in its walls; a thermometer is placed at the top of the tube and a side arm is attached to a condenser.
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