absolute alcohol

简明释义

1. 纯酒精; 2. 无水酒精;

英英释义

Absolute alcohol is a term used to describe ethanol that has been purified to contain at least 99% ethanol by volume, with minimal water or other impurities.

绝对酒精是一个术语,用于描述经过纯化的乙醇,其体积中至少含有99%的乙醇,水或其他杂质极少。

例句

1.To prepare the solution, you need to mix absolute alcohol (无水酒精) with distilled water.

要准备溶液,你需要将无水酒精与蒸馏水混合。

2.When making tinctures, it is important to use absolute alcohol (无水酒精) for better extraction.

在制作酊剂时,使用无水酒精是很重要的,以便更好地提取。

3.The chemist recommended using absolute alcohol (无水酒精) for the experiment to avoid any water contamination.

化学家建议在实验中使用无水酒精以避免任何水分污染。

4.In the laboratory, we often use absolute alcohol (无水酒精) for cleaning equipment.

在实验室中,我们经常使用无水酒精来清洁设备。

5.You can find absolute alcohol (无水酒精) in most pharmacies or chemical supply stores.

你可以在大多数药店或化学供应商那里找到无水酒精

作文

In the world of chemistry and various industrial applications, the term absolute alcohol refers to a highly concentrated form of ethanol that contains no water. This substance is often utilized in laboratories, medical settings, and manufacturing processes due to its purity and effectiveness as a solvent. Understanding absolute alcohol is crucial for both students and professionals in the field of science. Firstly, it is important to note that absolute alcohol is typically around 99% ethanol by volume. This high concentration makes it an essential component in many chemical reactions and processes. For instance, in organic chemistry, absolute alcohol serves as a solvent for various reactions, allowing chemists to dissolve reactants and facilitate interactions between them. Its low boiling point also means that it can be easily evaporated after use, leaving behind minimal residue. Moreover, absolute alcohol is widely used in the medical field as a disinfectant. The high concentration of ethanol effectively kills bacteria and viruses, making it an ideal choice for sterilizing instruments and cleaning surfaces. In hospitals, absolute alcohol is often used to prepare skin before injections or surgical procedures, ensuring that the area is free from harmful microorganisms. In addition to its use in laboratories and healthcare, absolute alcohol has significant applications in the production of alcoholic beverages. Distillers often use absolute alcohol to create high-proof spirits, which are then diluted to achieve the desired alcohol content. This process not only enhances the flavor profile of the final product but also contributes to its shelf life by inhibiting the growth of spoilage organisms. However, it is essential to handle absolute alcohol with care. Due to its high concentration, it can be flammable and poses health risks if ingested or inhaled. Safety protocols must be followed when working with this substance, including wearing protective gear and ensuring proper ventilation in workspaces. Furthermore, the environmental impact of absolute alcohol production should not be overlooked. While ethanol can be derived from renewable sources such as corn or sugarcane, the industrial processes involved can lead to significant carbon emissions. Therefore, researchers are continually seeking more sustainable methods of production to minimize this impact. In conclusion, absolute alcohol is a vital substance in various fields, from chemistry and medicine to food and beverage production. Its unique properties make it an invaluable tool for professionals, while its potential hazards require careful handling and consideration. As we continue to explore the uses and implications of absolute alcohol, it is crucial to balance its benefits with responsible practices to ensure safety and sustainability in its application.

在化学和各种工业应用的世界中,术语绝对酒精指的是一种高度浓缩的乙醇形式,含有无水分。这种物质由于其纯度和作为溶剂的有效性,常用于实验室、医疗环境和制造过程中。理解绝对酒精对于科学领域的学生和专业人士至关重要。 首先,需要注意的是,绝对酒精的体积通常约为99%的乙醇。这种高浓度使其成为许多化学反应和过程中的重要组成部分。例如,在有机化学中,绝对酒精作为各种反应的溶剂,使化学家能够溶解反应物并促进它们之间的相互作用。其低沸点也意味着它在使用后可以很容易地蒸发,留下最小的残留物。 此外,绝对酒精在医学领域被广泛用作消毒剂。高浓度的乙醇能够有效杀死细菌和病毒,使其成为消毒器械和清洁表面的理想选择。在医院中,绝对酒精常用于在注射或手术前准备皮肤,确保该区域不受有害微生物的影响。 除了在实验室和医疗中的应用外,绝对酒精在生产酒精饮料方面也具有重要意义。酿酒师常常使用绝对酒精来制造高浓度烈酒,然后稀释以达到所需的酒精含量。这一过程不仅增强了最终产品的风味特征,还通过抑制变质微生物的生长来延长其保质期。 然而,处理绝对酒精时必须小心。由于其高浓度,它可能易燃,并且如果摄入或吸入会带来健康风险。在使用这种物质时,必须遵循安全协议,包括佩戴防护装备并确保工作空间良好通风。 此外,绝对酒精生产的环境影响也不容忽视。虽然乙醇可以从玉米或甘蔗等可再生资源中提取,但相关的工业过程可能导致显著的碳排放。因此,研究人员不断寻求更可持续的生产方法,以减少这种影响。 总之,绝对酒精是各个领域的重要物质,从化学、医学到食品和饮料生产。其独特的特性使其成为专业人士的宝贵工具,而其潜在的危害则需要谨慎处理和考虑。随着我们继续探索绝对酒精的用途和影响,平衡其好处与负责任的实践,以确保其应用的安全性和可持续性至关重要。

相关单词

absolute

absolute详解:怎么读、什么意思、用法

alcohol

alcohol详解:怎么读、什么意思、用法