iodometry

简明释义

英[ˌaɪəˈdɒmɪtri]美[ˌaɪəˈdɑːmətri]

n. 碘量滴定法；滴定碘法

英英释义

单词用法

同义词

反义词

例句

1.During the production, determination of SO_2 (sulphur dioxide) in dry red wine using potentiometric titration avoids the end-point recognition difficulty compared with using iodometry method.

在生产中利用电位滴定法测定干红葡萄酒中SO_2的含量，避免了直接碘量法终点识别的困难。

2.This paper uses iodometry to measure solubility product of calcium iodate. Themethod is very simple, and the result is satisfactory.

采用碘量法测定碘酸钙溶度积常数，方法十分简单，测定结果满意．。

3.Methods The concentration of chlorine dioxide was determined by propandioic acid-iodometry and five-step iodometry.

方法采用丙二酸碘量法与五步碘量法测定二氧化氯含量，采用悬液定量杀菌试验方法进行杀菌效果评价。

4.A review is presented on the determination of micro amounts of iodine in iodinated sauce with iodometry, absorption spectrophotometry, chemiluminescence analysis, ion selective electrode analysis.

本文从碘量法、吸光光度法、化学分析法、离子选择电极法出发，评述了酱油中碘含量测定方法的研究现状。

5.There are some problems when using iodometry to measure vitamin c, such as inappropriateness of density, inability of repetition, large error and so on.

用常规的碘量法测定维生素c时存在重复性差、误差较大、浓度过高等问题。

6.Pointing at fluctuant sulfur content and burning character of metallurgical quicklime sample, determining sulfur in metallurgical quicklime by combustion iodometry is improved.

针对冶金石灰试样中硫含量波动大及燃烧的特征，改进了燃烧碘量法测定冶金石灰中的硫。

7.Objective to improve five-step iodometry method for measuring chlorine dioxide in order to measure chlorine dioxide in disinfectants more accurately.

目的改进五步碘量法对二氧化氯测定方法，以便更准确地检测消毒剂中二氧化氯含量。

8.Methods Five-step iodometry was used to determine the concentration of chlorine dioxide, and UV-spectrophotometry was applied to detect the stability of chlorine dioxide solution.

方法采用五步碘量法测定二氧化氯含量，紫外分光光度法测定二氧化氯消毒剂的稳定性。

9.A review is presented on the determination of micro amounts of iodine in iodinated sauce with iodometry, absorption spectrophotometry, chemiluminescence analysis, ion selective electrode analysis.

本文从碘量法、吸光光度法、化学分析法、离子选择电极法出发，评述了酱油中碘含量测定方法的研究现状。

10.The chemistry class conducted an experiment using iodometry to analyze vitamin C content in fruit juices.

化学课进行了一个实验，使用碘量法分析果汁中的维生素C含量。

11.The laboratory used iodometry to determine the concentration of iodine in the solution.

实验室使用碘量法来确定溶液中碘的浓度。

12.In food safety testing, iodometry can help identify levels of oxidizing agents.

在食品安全检测中，碘量法可以帮助识别氧化剂的水平。

13.For the titration process, we relied on iodometry to measure the amount of sodium thiosulfate needed.

在滴定过程中，我们依靠碘量法来测量所需的亚硫酸钠的量。

14.Environmental scientists often use iodometry to test for chlorine levels in water samples.

环境科学家经常使用碘量法测试水样中的氯水平。

作文

Iodometry is a fascinating analytical technique used in chemistry to determine the concentration of certain substances. This method primarily involves the use of iodine as a titrant, which is a solution of known concentration that reacts with the analyte, the substance being measured. The beauty of iodometry lies in its ability to provide accurate results through a relatively simple procedure. By understanding the principles behind iodometry, we can appreciate its applications in various fields, including pharmaceuticals, environmental science, and food safety.In a typical iodometry experiment, the sample is treated with a solution containing iodide ions, which react with the oxidizing agents present in the sample. This reaction produces iodine, which can then be titrated with a sodium thiosulfate solution. The endpoint of this titration is usually indicated by a color change, often using starch as an indicator. When all the iodine has reacted with the thiosulfate, the solution changes from blue to colorless, signaling that the reaction is complete. This simple yet effective method allows chemists to quantify the amount of oxidizing agent in a sample accurately.One of the significant advantages of iodometry is its versatility. It can be applied to a wide range of substances, making it an invaluable tool in many laboratories. For instance, in the pharmaceutical industry, iodometry is used to analyze the purity of active ingredients in medications. Ensuring the correct dosage is crucial for patient safety, and iodometry provides a reliable means of verifying this information.Moreover, environmental scientists utilize iodometry to monitor pollutants in water bodies. By measuring the concentration of oxidizing agents, they can assess the quality of water and its suitability for human consumption and aquatic life. This application highlights the importance of iodometry not only in scientific research but also in protecting public health and the environment.In the food industry, iodometry plays a critical role in ensuring food safety. It is employed to detect the levels of certain additives and preservatives, helping to maintain compliance with health regulations. For example, the presence of sulfites in dried fruits can be determined through iodometry, allowing manufacturers to label their products accurately and inform consumers about potential allergens.Despite its many advantages, iodometry does have some limitations. The accuracy of the results can be affected by factors such as the presence of interfering substances or improper handling of the reagents. Therefore, it is essential for chemists to follow standardized procedures carefully and calibrate their equipment regularly to achieve reliable results.In conclusion, iodometry is a valuable analytical technique that serves multiple purposes across various industries. Its simplicity, accuracy, and versatility make it a preferred choice for many chemists. As we continue to advance our understanding of chemical processes, the role of iodometry will undoubtedly remain significant in ensuring safety and quality in our products and environment. Embracing such techniques not only enhances our knowledge but also contributes to the well-being of society as a whole.

碘量法是一种迷人的分析技术，广泛应用于化学中，用于确定某些物质的浓度。这种方法主要涉及使用碘作为滴定剂，即已知浓度的溶液，与被测物质反应。iodometry 的美在于它通过相对简单的程序提供准确的结果。通过理解 iodometry 背后的原理，我们可以欣赏到它在制药、环境科学和食品安全等各个领域的应用。在典型的 iodometry 实验中，样品与含有碘离子的溶液反应，这些碘离子与样品中存在的氧化剂反应。这个反应产生碘，然后可以用硫代硫酸钠溶液进行滴定。这个滴定的终点通常通过颜色变化来指示，通常使用淀粉作为指示剂。当所有的碘都与硫代硫酸盐反应后，溶液会从蓝色变为无色，表明反应已完成。这种简单而有效的方法使化学家能够准确量化样品中氧化剂的含量。iodometry 的一个显著优势是它的多功能性。它可以应用于广泛的物质，使其成为许多实验室中不可或缺的工具。例如，在制药行业，iodometry 用于分析药物中活性成分的纯度。确保正确的剂量对于患者安全至关重要，而 iodometry 提供了一种可靠的方法来验证这些信息。此外，环境科学家利用 iodometry 监测水体中的污染物。通过测量氧化剂的浓度，他们可以评估水的质量及其适合人类消费和水生生物的能力。这一应用突显了 iodometry 在科学研究和保护公共健康与环境方面的重要性。在食品工业中，iodometry 在确保食品安全方面发挥着关键作用。它被用于检测某些添加剂和防腐剂的水平，帮助保持与健康法规的合规性。例如，可以通过 iodometry 确定干果中亚硫酸盐的存在，从而使制造商能够准确标记其产品，并告知消费者潜在的过敏原。尽管有许多优点，iodometry 也有一些局限性。结果的准确性可能会受到干扰物质的存在或试剂处理不当等因素的影响。因此，化学家必须仔细遵循标准化程序，并定期校准设备以获得可靠的结果。总之，iodometry 是一种有价值的分析技术，在各个行业中服务于多个目的。它的简单性、准确性和多功能性使其成为许多化学家的首选。随着我们对化学过程理解的不断深入，iodometry 的作用无疑将在确保我们产品和环境的安全与质量方面保持重要地位。拥抱这样的技术不仅增强了我们的知识，还有助于整个社会的福祉。