separatory funnel

简明释义

分液漏斗

英英释义

例句

1.To purify the compound, the chemist poured the mixture into a separatory funnel and allowed the layers to settle.

为了纯化化合物，化学家将混合物倒入一个分液漏斗中，并允许层次沉淀。

2.Care must be taken when handling the separatory funnel to avoid spills during the transfer of liquids.

在处理分液漏斗时必须小心，以避免在转移液体时溢出。

3.In the laboratory, we used a separatory funnel to separate the organic layer from the aqueous layer after the extraction process.

在实验室中，我们使用了一个分液漏斗来在提取过程中将有机层与水层分开。

4.After mixing the two liquids, we waited for the separatory funnel to show distinct layers.

在混合两种液体后，我们等待分液漏斗显示出明显的层次。

5.The separatory funnel is essential for performing liquid-liquid extractions in organic chemistry.

在有机化学中，分液漏斗对于进行液-液萃取是必不可少的。

作文

The laboratory is a place of experimentation and discovery, where scientists use various tools and techniques to separate and purify substances. One of the most essential tools in organic chemistry is the separatory funnel, which plays a crucial role in liquid-liquid extraction processes. The separatory funnel is a glass apparatus that allows for the separation of two immiscible liquids based on their different densities. This device is particularly useful when dealing with mixtures that contain both organic and aqueous components.To understand how a separatory funnel works, it is important to first grasp the concept of immiscibility. Two liquids are considered immiscible if they do not mix together, such as oil and water. When these two liquids are combined, they will form distinct layers, with the less dense liquid floating on top of the denser one. The separatory funnel takes advantage of this property. By pouring the mixture into the funnel, the user can allow the liquids to settle into separate layers.After the layers have formed, the user can open the stopcock at the bottom of the separatory funnel to release the denser liquid first, which is typically the aqueous layer. Once this layer has been drained, the stopcock can be closed, and the less dense liquid, usually an organic solvent, remains in the funnel. This process allows for the effective separation of the two components, making it an invaluable technique in chemical laboratories.Moreover, the separatory funnel is not only limited to simple separations; it can also be used in more complex procedures, such as washing organic products or performing multiple extractions to increase purity. For instance, after an initial extraction, a chemist may choose to wash the organic layer with water to remove any remaining impurities. The separatory funnel facilitates this process by allowing for easy layering and separation after each wash.In addition to its practical applications, the separatory funnel also serves as an educational tool. Students learning about organic chemistry often use it in laboratory exercises to gain hands-on experience with separation techniques. Through these experiments, they develop a deeper understanding of concepts such as solubility, density, and the behavior of different chemical compounds.Safety is paramount when using a separatory funnel. It is essential to handle it with care, as the glass material can break easily, leading to potential hazards. Additionally, proper disposal of the separated liquids must be followed according to laboratory protocols to ensure environmental safety.In conclusion, the separatory funnel is a fundamental piece of equipment in the field of chemistry, allowing for the efficient separation of immiscible liquids. Its design and functionality make it a versatile tool for both professional chemists and students alike. Understanding how to properly use a separatory funnel is essential for anyone involved in chemical research or education, as it lays the groundwork for more advanced techniques in the study of chemical substances.

实验室是实验和发现的地方，科学家们使用各种工具和技术来分离和纯化物质。在有机化学中，最基本的工具之一是分液漏斗，它在液-液萃取过程中发挥着至关重要的作用。分液漏斗是一种玻璃器具，可以根据两种不相混溶液体的不同密度进行分离。这种设备在处理包含有机和水相成分的混合物时尤其有用。要理解分液漏斗的工作原理，首先需要掌握不相混溶的概念。如果两种液体不混合，则被认为是不相混溶的，例如油和水。当这两种液体混合在一起时，它们会形成不同的层次，密度较小的液体浮在密度较大的液体上面。分液漏斗利用了这一特性。通过将混合物倒入漏斗中，用户可以让液体沉降成不同的层次。在层次形成后，用户可以打开分液漏斗底部的阀门，首先释放密度较大的液体，通常是水相。排放完这一层后，可以关闭阀门，密度较小的液体，通常是有机溶剂，仍然留在漏斗中。这个过程使两种成分有效分离，使其成为化学实验室中不可或缺的技术。此外，分液漏斗不仅限于简单的分离；它还可以用于更复杂的程序，例如洗涤有机产品或进行多次萃取以提高纯度。例如，在初步萃取后，化学家可能会选择用水洗涤有机层，以去除任何剩余的杂质。分液漏斗通过便于分层和分离每次洗涤后的液体，促进了这一过程。除了实用应用外，分液漏斗还作为教育工具。学习有机化学的学生通常在实验室练习中使用它，以获得分离技术的实践经验。通过这些实验，他们对溶解度、密度和不同化合物行为等概念有更深入的理解。使用分液漏斗时安全至关重要。必须小心处理，因为玻璃材料容易破裂，可能导致潜在危险。此外，分离液体的正确处置必须遵循实验室协议，以确保环境安全。总之，分液漏斗是化学领域中的基本设备，能够高效地分离不相混溶的液体。其设计和功能使其成为专业化学家和学生都非常重要的工具。了解如何正确使用分液漏斗是任何参与化学研究或教育的人都必须掌握的基础，因为它为研究化学物质的更高级技术奠定了基础。