ligroin

简明释义

英[ˈlɪɡrəʊɪn]美[ˈlɪɡroʊɪn]

n. 轻石油，石油英；里格罗因

英英释义

单词用法

同义词

反义词

例句

1.After ethanol precipitation, OPC was separated by ethyl acetate-ligroin system. Content of OPC was determined by normal butyl alcohol-hydrochloric acid method at 546 nm to be over 90%.

提取物经醇沉后，用石油醚沉淀法分离低聚原花青素，产物经正丁醇-盐酸法显色，比色法测定质量含量可达90%以上。

2.Limonene needed in recycling foamed polystyrene was extracted from the ear of schizonepeta tenuifolia using ligroin.

本文研究从荆芥穗中提取回收聚苯乙烯所需的柠檬烯，其方法是溶剂萃取。

3.After ethanol precipitation, OPC was separated by ethyl acetate-ligroin system. Content of OPC was determined by normal butyl alcohol-hydrochloric acid method at 546 nm to be over 90%.

提取物经醇沉后，用石油醚沉淀法分离低聚原花青素，产物经正丁醇-盐酸法显色，比色法测定质量含量可达90%以上。

4.When cleaning up spills, ligroin can be very effective in removing grease.

在清理泄漏时，ligroin能有效去除油脂。

5.Workers in the factory were advised to handle ligroin with care due to its flammable nature.

工厂的工人被建议小心处理ligroin，因为它易燃。

6.The artist preferred using ligroin for thinning oil paints.

艺术家更喜欢使用ligroin来稀释油画颜料。

7.The mechanic used ligroin to clean the engine parts effectively.

机械师使用ligroin有效地清洁发动机部件。

8.In the laboratory, we often rely on ligroin as a solvent for various chemical reactions.

在实验室中，我们常常依赖ligroin作为各种化学反应的溶剂。

作文

In the world of chemistry and organic solvents, understanding various compounds is crucial for both students and professionals. One such compound that often comes up in discussions is ligroin, a term that refers to a mixture of hydrocarbons derived from petroleum. ligroin is typically used as a solvent in laboratories and industrial applications due to its effectiveness in dissolving a wide range of organic materials. Its composition usually includes aliphatic hydrocarbons, which are non-aromatic and consist mainly of straight or branched-chain structures. This characteristic makes ligroin a preferred choice for many chemical processes where purity and efficiency are paramount.The use of ligroin can be traced back to the early days of organic chemistry when scientists were exploring different solvents for extraction and purification processes. Its ability to dissolve oils and fats without reacting with them has made it invaluable in both research and industrial settings. For instance, in the extraction of essential oils from plants, ligroin serves as an excellent medium because it does not alter the chemical structure of the desired compounds, allowing for a more accurate and efficient extraction.Moreover, ligroin is often employed in the preparation of samples for chromatography, a technique widely used for separating mixtures into their individual components. The choice of solvent is critical in chromatography, as it can significantly influence the separation process. Thus, the non-polar nature of ligroin makes it suitable for separating non-polar compounds, ensuring that the analysis yields reliable results.It is also worth noting that while ligroin is a useful solvent, it must be handled with care due to its flammable nature. Safety protocols should always be followed when working with this compound to prevent accidents and ensure a safe laboratory environment. Proper ventilation, the use of personal protective equipment (PPE), and awareness of the material safety data sheet (MSDS) for ligroin are essential practices that should never be overlooked.In conclusion, ligroin is more than just a simple solvent; it represents a vital component in the toolkit of chemists and industry professionals alike. Its unique properties allow for efficient extraction, purification, and analysis of various organic compounds, making it an indispensable resource in the field of chemistry. As we continue to explore new scientific frontiers, understanding and utilizing compounds like ligroin will remain essential for innovation and discovery in both academic and industrial applications.

在化学和有机溶剂的世界中，理解各种化合物对学生和专业人士来说至关重要。其中一个常常在讨论中出现的化合物是ligroin，这个术语指的是从石油中提取的一种烃类混合物。ligroin通常用作实验室和工业应用中的溶剂，因为它能有效地溶解广泛的有机材料。它的组成通常包括脂肪烃，这些烃是非芳香性的，主要由直链或支链结构组成。这一特性使得ligroin成为许多化学过程中优选的选择，其纯度和效率至关重要。ligroin的使用可以追溯到有机化学早期，当时科学家们正在探索不同的溶剂用于提取和纯化过程。它能够在不与油脂发生反应的情况下溶解油脂，使其在研究和工业环境中变得不可或缺。例如，在从植物中提取精油的过程中，ligroin作为一种优秀的介质，因为它不会改变所需化合物的化学结构，从而允许更准确和高效的提取。此外，ligroin常用于色谱法样品的制备，这是一种广泛用于将混合物分离成其单独成分的技术。溶剂的选择在色谱中至关重要，因为它会显著影响分离过程。因此，ligroin的非极性特性使其适合分离非极性化合物，确保分析结果可靠。同样值得注意的是，尽管ligroin是一种有用的溶剂，但由于其易燃性，必须小心处理。在使用这种化合物时，应始终遵循安全协议，以防止事故并确保安全的实验室环境。良好的通风、个人防护装备（PPE）的使用，以及对ligroin材料安全数据表（MSDS）的了解，都是不可忽视的必要实践。总之，ligroin不仅仅是一种简单的溶剂；它代表了化学家和工业专业人士工具箱中的一个重要组成部分。它的独特属性使得高效的提取、纯化和分析各种有机化合物成为可能，使其在化学领域中成为不可或缺的资源。随着我们继续探索新的科学前沿，理解和利用像ligroin这样的化合物将继续在学术和工业应用中保持创新和发现的必要性。