petroleum ether

简明释义

石油醚

英英释义

例句

1.For the synthesis of some compounds, you may need to evaporate petroleum ether under reduced pressure.

在合成某些化合物时，您可能需要在减压下蒸发石油醚。

2.The laboratory uses petroleum ether to extract essential oils from plants.

实验室使用石油醚从植物中提取精油。

3.Researchers found that petroleum ether was effective in separating different hydrocarbons.

研究人员发现石油醚在分离不同烃类方面有效。

4.When cleaning glassware, we often rinse with petroleum ether to remove organic residues.

在清洁玻璃器皿时，我们经常用石油醚冲洗以去除有机残留物。

5.In chromatography, petroleum ether is commonly used as a solvent for non-polar compounds.

在色谱分析中，石油醚通常用作非极性化合物的溶剂。

作文

Petroleum ether, often referred to as a highly volatile and colorless liquid, is a mixture of hydrocarbons derived from petroleum. It is primarily used as a solvent in laboratories and various industrial applications due to its ability to dissolve a wide range of organic compounds. The term 'petroleum ether' can be somewhat misleading, as it does not contain any ether in the chemical sense; rather, it is a light distillate from crude oil that has been refined to remove heavier fractions. This substance is commonly utilized in organic chemistry for extraction processes, where it serves as an excellent medium for separating compounds based on their solubility. One of the key features of petroleum ether (石油醚) is its low boiling point, which typically ranges between 30°C to 60°C. This property makes it particularly useful in various chemical reactions and extractions, where gentle heating can facilitate the evaporation of the solvent, leaving behind the desired product. For instance, in the extraction of essential oils from plant materials, petroleum ether (石油醚) can effectively extract aromatic compounds without altering their chemical structure. In addition to its use in laboratories, petroleum ether (石油醚) is also found in the formulation of certain household products, such as adhesives, paints, and varnishes. Its ability to evaporate quickly makes it an ideal choice for these applications, providing a fast-drying solution that does not leave behind unwanted residues. However, it is important to handle petroleum ether (石油醚) with care, as it is flammable and can pose health risks if inhaled or absorbed through the skin. Therefore, proper safety protocols should always be followed when working with this solvent. Furthermore, the environmental impact of using petroleum ether (石油醚) cannot be overlooked. As a petroleum-derived product, its production and use contribute to the overall demand for fossil fuels, raising concerns about sustainability and ecological balance. Researchers are continuously exploring alternative solvents that can provide similar benefits without the negative environmental consequences associated with petroleum-based products. In conclusion, petroleum ether (石油醚) is a valuable solvent with a wide array of applications in both laboratory and industrial settings. Its unique properties make it an essential tool for chemists and manufacturers alike. However, awareness of its potential hazards and environmental implications is crucial for responsible usage. As we move towards a more sustainable future, the chemical industry must seek innovative solutions that reduce reliance on traditional petroleum products while still achieving the desired results in scientific and commercial endeavors.

石油醚，通常被称为一种高度挥发的无色液体，是从石油中提取的烃类混合物。由于其能够溶解多种有机化合物，它主要作为实验室和各种工业应用中的溶剂。术语“石油醚”可能会让人产生误解，因为它在化学意义上并不含有任何醚；相反，它是从原油中提炼出的轻质馏分，经过精炼去除了较重的部分。这种物质通常用于有机化学中的提取过程中，作为分离化合物的优秀介质，基于其溶解度进行分离。石油醚（petroleum ether）的一个关键特征是其低沸点，通常在30°C到60°C之间。这一特性使其在各种化学反应和提取中尤为有用，在这些过程中，温和加热可以促进溶剂的蒸发，留下所需的产品。例如，在从植物材料提取精油的过程中，石油醚（petroleum ether）能够有效提取芳香化合物，而不改变其化学结构。除了在实验室中的应用外，石油醚（petroleum ether）还被发现用于某些家庭产品的配方中，如粘合剂、涂料和清漆。其迅速蒸发的能力使其成为这些应用的理想选择，提供快速干燥的解决方案，不留不必要的残留物。然而，处理石油醚（petroleum ether）时必须小心，因为它易燃，并且如果吸入或通过皮肤吸收可能会对健康造成风险。因此，在使用这种溶剂时，始终应遵循适当的安全协议。此外，使用石油醚（petroleum ether）的环境影响也不容忽视。作为一种石油衍生产品，其生产和使用增加了对化石燃料的总体需求，引发了可持续性和生态平衡的担忧。研究人员不断探索替代溶剂，以便在不产生与石油基产品相关的负面环境后果的情况下，提供类似的好处。总之，石油醚（petroleum ether）是一种具有广泛应用的宝贵溶剂，既可用于实验室，也可用于工业环境。其独特的性质使其成为化学家和制造商的重要工具。然而，意识到其潜在危害和环境影响对于负责任的使用至关重要。随着我们朝着更可持续的未来迈进，化学行业必须寻求创新解决方案，减少对传统石油产品的依赖，同时在科学和商业工作中实现预期结果。