bromine number

简明释义

溴值;

英英释义

例句

1.To assess the quality of the oil, the laboratory conducted a bromine number test.

为了评估油的质量，实验室进行了溴值测试。

2.In polymer chemistry, the bromine number is used to evaluate the reactivity of polymers.

在聚合物化学中，溴值用于评估聚合物的反应性。

3.A high bromine number indicates a greater degree of unsaturation in the sample.

高溴值表示样品中不饱和度更高。

4.The bromine number can help in identifying the type of fatty acids present in the fat.

通过溴值可以帮助识别脂肪中存在的脂肪酸类型。

5.The chemist measured the bromine number to determine the unsaturation level of the organic compound.

化学家测量了溴值以确定有机化合物的不饱和度。

作文

The study of organic compounds is essential in the field of chemistry, particularly when it comes to understanding their structure and reactivity. One important parameter that chemists often analyze is the bromine number, which serves as a measure of the unsaturation level in organic substances. The bromine number refers to the amount of bromine in grams that can react with 100 grams of an organic compound. This parameter is crucial because it helps chemists determine the degree of unsaturation, which is indicative of the presence of double or triple bonds within the molecule. Unsaturated compounds, such as alkenes and alkynes, are characterized by their multiple bonds, which make them more reactive than their saturated counterparts. By measuring the bromine number, scientists can infer how many double bonds exist in a given compound. For example, a high bromine number suggests that a compound contains a significant number of double bonds, while a low bromine number indicates fewer unsaturated sites. This information is vital in various applications, including the production of polymers, pharmaceuticals, and other chemical products.In practical terms, the determination of the bromine number involves a titration process where a known excess of bromine is added to the organic sample. After the reaction, any unreacted bromine is quantified, allowing chemists to calculate the bromine number. This process not only provides insight into the compound's structure but also assists in quality control for industrial applications. For instance, in the production of rubber, the bromine number can influence the material's properties, such as elasticity and durability.Furthermore, the bromine number can also serve as a tool for identifying different types of oils and fats. Each type of oil has a unique bromine number based on its fatty acid composition. For example, oils that are rich in unsaturated fats will exhibit a higher bromine number, whereas saturated fats will show a lower value. This characteristic is particularly useful in the food industry, where the nutritional quality of oils is assessed based on their unsaturation levels.In conclusion, the bromine number is a fundamental concept in organic chemistry that provides valuable information about the unsaturation of organic compounds. Its measurement plays a critical role in various industries, from rubber manufacturing to food production. Understanding the bromine number not only aids in the analysis of chemical structures but also enhances the ability to manipulate these compounds for desired properties and functionalities. As research continues to advance in the field of chemistry, the importance of parameters like the bromine number will undoubtedly remain significant in driving innovation and ensuring quality across multiple sectors.

有机化合物的研究在化学领域中至关重要，特别是在理解其结构和反应性方面。化学家们经常分析的一个重要参数是bromine number，它作为有机物的不饱和程度的测量。bromine number指的是可以与100克有机化合物反应的溴的克数。这个参数至关重要，因为它帮助化学家确定不饱和度，这表明分子内存在双键或三键。不饱和化合物，如烯烃和炔烃，以其多重键为特征，使它们比饱和的同类化合物更具反应性。通过测量bromine number，科学家可以推断出给定化合物中存在多少个双键。例如，高bromine number表明化合物含有大量双键，而低bromine number则表示不饱和位点较少。这些信息在各种应用中至关重要，包括聚合物、药品和其他化学产品的生产。在实际操作中，bromine number的测定涉及一个滴定过程，其中将已知过量的溴添加到有机样品中。反应后，任何未反应的溴都被量化，从而允许化学家计算出bromine number。这个过程不仅提供了对化合物结构的洞察，而且还有助于工业应用中的质量控制。例如，在橡胶生产中，bromine number可以影响材料的性质，如弹性和耐久性。此外，bromine number还可以作为识别不同类型油脂的工具。每种类型的油根据其脂肪酸组成具有独特的bromine number。例如，富含不饱和脂肪的油会表现出较高的bromine number，而饱和脂肪则显示出较低的值。这一特性在食品工业中特别有用，因为油的营养质量是根据其不饱和程度进行评估的。总之，bromine number是有机化学中的一个基本概念，提供了关于有机化合物不饱和性的宝贵信息。其测量在橡胶制造到食品生产等多个行业中发挥着关键作用。理解bromine number不仅有助于化学结构的分析，还增强了操控这些化合物以获得所需属性和功能的能力。随着化学领域研究的不断进步，像bromine number这样的参数的重要性无疑将继续在推动创新和确保多个行业的质量方面保持显著。