potentiometry

简明释义

英[pəˌtenʃɪˈɒmɪtri]美[pəˌtenʃɪˈɑːmətri]

n. [电] 电势测定法；[电] 电位测定法

英英释义

单词用法

同义词

反义词

例句

1.The electrode is proposed for the direct potentiometry and potentiometric titration of quinine.

电极可用于奎宁的电位滴定法或直接电位法测定。

2.Have discussed the new method of titration potentiometry of calcium content in mensuration calcium milk.

论述了两点电位法测定钙奶中钙含量的新方法。

3.In this paper, an intelligent acidity meter is designed which takes glass electrode as its sensor and measures acidity of solution through potentiometry.

论文设计了一台智能酸碱浓度测试仪，选用玻璃电极作传感器采用电位法测量溶液酸碱浓度。

4.Determining the main contents of finished potassium perchlorate product by potentiometry had the advantages of simple operation and pollution-free.

本文利用电位滴定法测定高氯酸钾的含量，具有操作简单，无污染等优点。

5.The content of free fluorine in toothpaste by potentiometry with a fluorine ion selective electrode is determined.

利用氟离子选择性电极直接电位法测定了牙膏中的游离氟。

6.In this paper, a new method has been reported which combines direct potentiometry with chemical method to analyse valence states of elements.

本文提出了一个将直接电位法与化学法相结合应用于元素价态分析的方法。

7.Strong base separated potentiometry is recommended to the analysis in industrial scale production.

强碱分离电位滴定法经实践适用于规模化生产的分析检测。

8.In clinical settings, potentiometry is used to assess electrolyte balance in patients.

在临床环境中，电位测量法用于评估患者的电解质平衡。

9.In the laboratory, we often use potentiometry to measure the concentration of ions in solution.

在实验室中，我们经常使用电位测量法来测量溶液中离子的浓度。

10.Using potentiometry, researchers can analyze the electrochemical properties of different materials.

通过使用电位测量法，研究人员可以分析不同材料的电化学性质。

11.The potentiometry technique is essential for determining pH levels in various samples.

电位测量法技术对于确定各种样本的pH水平至关重要。

12.The accuracy of potentiometry makes it a preferred method in environmental monitoring.

电位测量法的准确性使其成为环境监测中的首选方法。

作文

Potentiometry is a technique used in analytical chemistry to measure the voltage of electrochemical cells. This method is particularly valuable because it allows for the determination of the concentration of ions in a solution without the need for extensive sample preparation or complex instrumentation. The principle behind potentiometry (电位测定法) lies in the relationship between the concentration of an ion and the electric potential that develops across an ion-selective electrode. These electrodes can selectively respond to specific ions, making potentiometry (电位测定法) a powerful tool for various applications, including environmental monitoring, clinical diagnostics, and food quality control.One of the key advantages of potentiometry (电位测定法) is its simplicity and cost-effectiveness. Unlike other analytical techniques that may require expensive reagents or complicated procedures, potentiometry (电位测定法) can be performed with relatively inexpensive equipment. For example, a basic potentiometric setup might include a reference electrode, an ion-selective electrode, and a voltmeter. This simplicity makes potentiometry (电位测定法) accessible to laboratories with limited resources, allowing for widespread use in various fields.The versatility of potentiometry (电位测定法) is another reason for its popularity. It can be applied to a wide range of ions, including cations like sodium, potassium, and calcium, as well as anions such as chloride and nitrate. This adaptability means that potentiometry (电位测定法) can be used in diverse applications, from measuring the salinity of seawater to determining the levels of essential nutrients in soil.In addition to its practical applications, potentiometry (电位测定法) also plays a significant role in research. Scientists utilize this technique to study various chemical processes and interactions at the molecular level. For instance, researchers may employ potentiometry (电位测定法) to investigate the behavior of ions in different chemical environments, contributing to our understanding of fundamental chemical principles.Despite its many advantages, potentiometry (电位测定法) is not without its challenges. One common issue is the potential for interference from other ions present in the solution. When multiple ions are present, the selectivity of the ion-sensitive electrode can be compromised, leading to inaccurate measurements. To mitigate this problem, researchers often conduct thorough calibrations and adjustments to ensure that the readings obtained through potentiometry (电位测定法) are as accurate as possible.Another challenge is the maintenance and care of the electrodes used in potentiometry (电位测定法). Ion-selective electrodes can degrade over time, and their performance can be affected by factors such as temperature and pH. Regular calibration and proper storage conditions are essential to maintain the accuracy and reliability of potentiometry (电位测定法) results.In conclusion, potentiometry (电位测定法) is a vital analytical technique that offers numerous benefits in both practical applications and research. Its ability to provide quick and accurate measurements of ion concentrations makes it indispensable in various fields, from environmental science to clinical diagnostics. While challenges exist, ongoing advancements in electrode technology and methodology continue to enhance the effectiveness and reliability of potentiometry (电位测定法), ensuring its relevance in the ever-evolving landscape of analytical chemistry.