polarography

简明释义

英[ˌpəʊləˈrɒɡrəfi]美[ˌpoʊləˈrɑːɡrəfi]

n. [分化] 极谱法

英英释义

单词用法

同义词

反义词

例句

1.The method of ratio-derivative spectra for polarography and voltammetry has been studied.

叙述了比值导数波谱法在电化学波谱解析中应用的原理。

2.The oscillating polarography was applied to determine the formaldehyde in pure water and air.

运用示波极谱法对纯净水和空气中甲醛进行测定。

3.The polarographic behavior of iodoacetic acid has been studied by using single sweep polarography, direct current polarography and cyclic voltammetry.

碘乙酸的极谱行为已通过单扫描极谱法，直流极谱法和循环伏安法进行了研究。

4.The polarographic wave of benzophenone-12 was studied by linear sweep polarography in different kinds of buffer systems.

用线性扫描极谱法研究了雷公藤内酯酮在不同缓冲体系和氧化剂作用下的极谱催化波。

5.This paper has studied and compared three methods of determination of cardiovascular drug, Nitrendipine: Cyanide selective electrode method, single sweep polarography and UV-spectrophotometric method.

本文研究并比较了三种测定抗心血管病药尼群地平的方法：氰离子选择电极法、示波极谱法和紫外分光光度法。

6.The polarographic behaviors of triptophenolide at different buffer systems and oxidants were studied by linear sweep polarography.

用线性扫描伏安法研究了雷酚内酯在不同缓冲体系及氧化剂作用下的极谱行为。

7.Many methods have been developed for determining trace iodine. including spectrophotometry. polarography and gas chromatography etc.

本文引述文献中所采用的测定微量碘的方法包括分光光度法、极谱法和气相色谱法等。

8.In environmental studies, polarography is essential for detecting pollutants.

在环境研究中，极谱法对于检测污染物至关重要。

9.The research team presented their findings on the effectiveness of polarography in pharmaceutical analysis.

研究小组展示了极谱法在药物分析中的有效性。

10.By employing polarography, they were able to identify trace amounts of toxins in the soil.

通过采用极谱法，他们能够识别土壤中的微量毒素。

11.The scientist used polarography to analyze the concentration of heavy metals in water samples.

科学家使用极谱法分析水样中重金属的浓度。

12.The workshop focused on the practical applications of polarography in electrochemical research.

研讨会专注于极谱法在电化学研究中的实际应用。

作文

Polarography is a fascinating electrochemical technique that has played a significant role in analytical chemistry. This method involves measuring the current that flows through a solution as a function of an applied voltage. The principle behind polarography (极谱法) is based on the reduction or oxidation of analytes at a dropping mercury electrode, which allows for the determination of the concentration of various substances in a solution. One of the key advantages of polarography (极谱法) is its ability to analyze trace amounts of metals and organic compounds, making it an invaluable tool in environmental monitoring, pharmaceuticals, and food safety. The origins of polarography (极谱法) date back to the early 20th century when the method was first developed by the chemist Jaroslav Heyrovský, who later received the Nobel Prize in Chemistry for his contributions. Since then, polarography (极谱法) has evolved into a sophisticated technique with various applications, including the analysis of heavy metals in water samples, the determination of drug concentrations in biological fluids, and even the study of complex biochemical processes. One of the most important aspects of polarography (极谱法) is its ability to provide detailed information about the redox behavior of analytes. By analyzing the resulting polarograms, which are graphs of current versus voltage, chemists can gain insights into the electrochemical properties of substances, such as their reduction potentials and reaction kinetics. This information is crucial for understanding how different chemicals interact in various environments, which can have significant implications for fields like environmental science and pharmacology. In addition to its analytical capabilities, polarography (极谱法) also offers several practical advantages. It is relatively simple to perform and requires minimal sample preparation compared to other analytical techniques. Furthermore, polarography (极谱法) can be conducted using portable equipment, making it suitable for field studies and on-site analyses. This flexibility has contributed to its widespread adoption in laboratories and industries around the world. Despite its many advantages, polarography (极谱法) is not without limitations. For instance, the use of mercury as an electrode material raises environmental and health concerns, prompting researchers to explore alternative electrode materials that can provide similar or better performance without the associated risks. Additionally, while polarography (极谱法) is effective for certain types of analytes, it may not be suitable for all chemical species, particularly those that do not undergo significant redox reactions. In conclusion, polarography (极谱法) is a powerful analytical technique that continues to evolve and adapt to the needs of modern science. Its ability to analyze trace levels of substances, coupled with its straightforward methodology, makes it an essential tool in various fields. As research progresses and technology advances, the future of polarography (极谱法) looks promising, with potential developments aimed at improving its efficiency, safety, and applicability in diverse areas of study. Whether in a laboratory setting or out in the field, polarography (极谱法) will undoubtedly remain a key player in the quest for understanding the chemical world around us.

极谱法是一种迷人的电化学技术，在分析化学中发挥了重要作用。这种方法涉及测量在施加电压的函数下流经溶液的电流。polarography（极谱法）背后的原理是基于在滴汞电极上对分析物的还原或氧化，这使得能够确定溶液中各种物质的浓度。polarography（极谱法）的一个主要优点是它能够分析微量金属和有机化合物，使其成为环境监测、制药和食品安全等领域不可或缺的工具。polarography（极谱法）的起源可以追溯到20世纪初，当时化学家雅罗斯拉夫·赫罗沃斯基首次开发了该方法，他因其贡献而获得诺贝尔化学奖。从那时起，polarography（极谱法）发展成为一种复杂的技术，具有多种应用，包括水样中重金属的分析、生物液体中药物浓度的测定，甚至复杂生化过程的研究。polarography（极谱法）最重要的方面之一是它提供有关分析物氧还原行为的详细信息。通过分析得到的极谱图，即电流与电压的图形，化学家可以深入了解物质的电化学特性，例如它们的还原电位和反应动力学。这些信息对于理解不同化学物质在各种环境中的相互作用至关重要，这可能对环境科学和药理学等领域产生重大影响。除了其分析能力外，polarography（极谱法）还提供了一些实际优势。与其他分析技术相比，它相对简单，样品准备工作较少。此外，polarography（极谱法）可以使用便携式设备进行，这使得它适合现场研究和现场分析。这种灵活性促成了它在全球实验室和工业中的广泛采用。尽管有许多优点，polarography（极谱法）也并非没有局限性。例如，使用汞作为电极材料引发了环境和健康问题，促使研究人员探索可以提供相似或更好性能的替代电极材料，而没有相关风险。此外，虽然polarography（极谱法）对某些类型的分析物有效，但对于所有化学物质可能不适用，特别是那些不经历显著氧还原反应的物质。总之，polarography（极谱法）是一种强大的分析技术，继续发展以适应现代科学的需求。它分析微量物质的能力，加上其简单的方法，使其成为各个领域的重要工具。随着研究的进展和技术的进步，polarography（极谱法）的未来看起来充满希望，潜在的发展旨在提高其效率、安全性和在不同研究领域的适用性。无论是在实验室环境中还是在现场，polarography（极谱法）无疑将继续在理解我们周围化学世界的探索中扮演关键角色。