rectified alcohol

简明释义

纯酒精

英英释义

例句

1.For home distillation, rectified alcohol is often used as a starting point.

在家庭蒸馏中，通常使用精制酒精作为起始材料。

2.In the laboratory, we use rectified alcohol for sterilizing equipment.

在实验室中，我们使用精制酒精来消毒设备。

3.Many perfumes contain rectified alcohol as a base ingredient.

许多香水以精制酒精作为基础成分。

4.The recipe calls for rectified alcohol to enhance the flavor of the extract.

这个食谱需要用精制酒精来增强提取物的风味。

5.You should handle rectified alcohol with care due to its high purity.

由于其高纯度，您应该小心处理精制酒精。

作文

In the world of chemistry and distillation, the term rectified alcohol refers to a high-purity ethanol that has undergone a process of rectification. Rectification is a method of purification that involves the repeated distillation of alcohol to remove impurities and increase its concentration. The result is a clear, colorless liquid that is typically around 95% ethanol by volume. This process is crucial in various industries, including pharmaceuticals, food production, and even in the manufacture of perfumes. The significance of rectified alcohol lies not only in its purity but also in its versatility as a solvent and a base for many chemical reactions.The production of rectified alcohol begins with the fermentation of sugars, which can be derived from various sources such as grains, fruits, or sugarcane. During fermentation, yeast converts these sugars into alcohol and carbon dioxide. However, the resulting mixture contains not only ethanol but also a range of other compounds, some of which can impart undesirable flavors or aromas. To achieve the high purity required for rectified alcohol, the fermented liquid is subjected to distillation.Distillation works on the principle of differences in boiling points. As the mixture is heated, the components with lower boiling points vaporize first. These vapors are then collected and condensed back into liquid form. This process is repeated multiple times, allowing for the gradual separation of ethanol from other substances. The final product, rectified alcohol, is often used in laboratories as a solvent for chemical reactions, in the production of tinctures, and as a disinfectant due to its high concentration of alcohol.One of the most common uses of rectified alcohol is in the culinary field, particularly in the preparation of certain dishes and beverages. For instance, it is an essential ingredient in the making of bitters, which are used to flavor cocktails and other drinks. Additionally, rectified alcohol can be used to extract flavors from herbs and spices, enhancing the overall taste profile of a dish. Its ability to dissolve both water-soluble and fat-soluble compounds makes it an invaluable tool for chefs and mixologists alike.Moreover, rectified alcohol plays a significant role in the pharmaceutical industry. It is often utilized as a base for medicinal preparations, where its purity ensures that the final product is safe for consumption. In many cases, it acts as a preservative, extending the shelf life of herbal medicines and extracts. Furthermore, its antiseptic properties make it a common ingredient in hand sanitizers and disinfectants, especially during times of health crises.In conclusion, understanding the concept of rectified alcohol is essential for anyone interested in chemistry, cooking, or pharmaceuticals. Its high purity and versatility make it a valuable substance across various fields. Whether used in the kitchen, the laboratory, or the pharmacy, rectified alcohol demonstrates the importance of precision and quality in the production and application of chemical compounds. As we continue to explore the potential of this remarkable substance, its role in our daily lives will only become more prominent, highlighting the intricate relationship between science and everyday practices.

在化学和蒸馏的世界中，术语rectified alcohol指的是经过精馏过程的高纯度乙醇。精馏是一种净化方法，涉及对酒精进行多次蒸馏，以去除杂质并提高其浓度。最终得到的液体通常是无色透明的，酒精含量约为95%。这一过程在制药、食品生产甚至香水制造等各个行业中至关重要。rectified alcohol的重要性不仅体现在其纯度上，还体现在其作为溶剂和许多化学反应基础的多功能性上。rectified alcohol的生产始于糖的发酵，这些糖可以来自谷物、水果或甘蔗等各种来源。在发酵过程中，酵母将这些糖转化为酒精和二氧化碳。然而，最终的混合物不仅包含乙醇，还包含一系列其他化合物，其中一些可能会赋予不良的风味或香气。为了达到rectified alcohol所需的高纯度，发酵液需要进行蒸馏。蒸馏是基于沸点差异的原理。当混合物加热时，沸点较低的成分首先蒸发。这些蒸汽被收集并冷凝回液态。这个过程重复多次，使乙醇与其他物质逐渐分离。最终产品rectified alcohol通常用于实验室，作为化学反应的溶剂，制作药水，以及由于其高浓度的酒精而作为消毒剂。rectified alcohol最常见的用途之一是在烹饪领域，特别是在某些菜肴和饮品的准备中。例如，它是苦味酒制作中的重要成分，这些苦味酒用于调味鸡尾酒和其他饮料。此外，rectified alcohol可用于从草药和香料中提取风味，增强菜肴的整体味道。它能够溶解水溶性和脂溶性化合物，使其成为厨师和调酒师不可或缺的工具。此外，rectified alcohol在制药行业中也发挥着重要作用。它经常用作药物制剂的基础，其纯度确保最终产品安全可食用。在许多情况下，它作为防腐剂，延长草药和提取物的保质期。此外，由于其抗菌特性，它也是洗手液和消毒剂的常见成分，尤其是在健康危机时期。总之，理解rectified alcohol的概念对于任何对化学、烹饪或制药感兴趣的人来说都是必不可少的。其高纯度和多功能性使其在各个领域成为一种宝贵的物质。无论是在厨房、实验室还是药店，rectified alcohol都展示了在化学化合物的生产和应用中精确性和质量的重要性。随着我们继续探索这种非凡物质的潜力，它在我们日常生活中的角色只会变得更加突出，突显出科学与日常实践之间错综复杂的关系。