acid number

简明释义

酸价

英英释义

例句

1.We found that the acid number increased significantly after storage.

我们发现储存后酸值显著增加。

2.The acid number is critical in evaluating the performance of lubricants.

在评估润滑剂性能时，酸值是至关重要的。

3.A high acid number can indicate the presence of free fatty acids in the product.

高酸值可能表明产品中存在游离脂肪酸。

4.To ensure product stability, we need to monitor the acid number regularly.

为了确保产品的稳定性，我们需要定期监测酸值。

5.The acid number of the oil sample was measured to determine its quality.

油样的酸值被测量以确定其质量。

作文

The term acid number refers to a measure of the acidity of a substance, typically used in the context of oils and fats. It is defined as the amount of potassium hydroxide (KOH) in milligrams that is required to neutralize one gram of a sample. This measurement is crucial in various industries, particularly in food production, cosmetics, and lubricants, as it can indicate the quality and stability of the product. For instance, in edible oils, a high acid number may suggest rancidity or degradation, which can affect flavor and safety. Therefore, monitoring the acid number is essential for ensuring that products meet health and safety standards.In the oil industry, the acid number is a key parameter for assessing the condition of both crude oil and refined products. A low acid number indicates that the oil is fresh and has not undergone significant oxidation or hydrolysis, while a high value may signal the presence of free fatty acids resulting from chemical reactions over time. This is particularly important for manufacturers who need to ensure that their products have a long shelf life and maintain their desirable properties. By regularly testing the acid number, companies can make informed decisions about refining processes and storage conditions.Additionally, the acid number plays a vital role in the production of biodiesel. Biodiesel is produced through the transesterification of oils and fats, and the acid number of the feedstock can significantly impact the efficiency of the conversion process. A high acid number indicates that the feedstock contains more free fatty acids, which can lead to lower yields of biodiesel and the formation of soap during the reaction. Thus, operators must carefully monitor the acid number to optimize production and minimize waste.In conclusion, understanding the acid number is fundamental for professionals in various fields, including food science, petroleum engineering, and environmental studies. It serves as a critical indicator of product quality and stability, influencing everything from consumer safety to industrial efficiency. As we continue to advance our understanding of chemical processes and product formulation, the acid number will remain an essential parameter for ensuring that we produce safe, high-quality products that meet consumer expectations. By prioritizing the measurement and management of the acid number, industries can enhance their sustainability practices and deliver better outcomes for both consumers and the environment.

术语酸值指的是物质酸度的测量，通常在油脂和脂肪的背景下使用。它被定义为中和一克样品所需的氢氧化钾（KOH）毫克数。这一测量在食品生产、化妆品和润滑剂等多个行业至关重要，因为它可以指示产品的质量和稳定性。例如，在食用油中，高酸值可能表明油脂已经变质或降解，这会影响其风味和安全性。因此，监测酸值对于确保产品符合健康和安全标准是必要的。在石油行业，酸值是评估原油和精炼产品状况的关键参数。低酸值表明油品新鲜，未经历显著的氧化或水解，而高值可能意味着游离脂肪酸的存在，这些脂肪酸是由于时间推移而发生的化学反应所致。这对于需要确保产品具有较长保质期并保持其理想特性的制造商尤其重要。通过定期测试酸值，公司可以对精炼过程和储存条件做出明智的决策。此外，酸值在生物柴油的生产中也发挥着至关重要的作用。生物柴油是通过油脂和脂肪的酯交换反应生产的，原料的酸值可以显著影响转化过程的效率。高酸值表明原料中含有更多的游离脂肪酸，这可能导致生物柴油的产量降低，并在反应过程中形成肥皂。因此，操作人员必须仔细监测酸值以优化生产并最小化浪费。总之，理解酸值对于食品科学、石油工程和环境研究等多个领域的专业人士来说是基础。它作为产品质量和稳定性的关键指标，影响从消费者安全到工业效率的方方面面。随着我们继续深入了解化学过程和产品配方，酸值将始终是确保我们生产安全、高质量产品以满足消费者期望的重要参数。通过优先考虑酸值的测量和管理，各行业可以增强其可持续性实践，并为消费者和环境提供更好的结果。