nessler tube

简明释义

奈斯勒比色管

英英释义

例句

1.The results from the nessler tube test indicated a high level of pollutants in the river.

来自奈斯勒管测试的结果显示河流中的污染物水平很高。

2.After adding the reagent, the color change in the nessler tube was significant, indicating a positive result.

添加试剂后，奈斯勒管中的颜色变化显著，表明结果为阳性。

3.To determine the presence of nitrites, we placed the sample in a nessler tube and added the reagent.

为了确定亚硝酸盐的存在，我们将样品放入奈斯勒管中并添加试剂。

4.The laboratory technician used a nessler tube to measure the concentration of ammonia in the water sample.

实验室技术员使用奈斯勒管测量水样中氨的浓度。

5.For accurate readings, ensure that the nessler tube is clean and free of any residues.

为了获得准确的读数，请确保奈斯勒管干净且没有任何残留物。

作文

The study of chemistry often requires precise measurements and specific tools to analyze substances effectively. One such tool that has proven invaluable in the field of analytical chemistry is the nessler tube. The nessler tube is a specialized glass container used primarily for colorimetric analysis of ammonia and ammonium ions in aqueous solutions. Its design allows for the accurate assessment of the concentration of these compounds, which is crucial in various applications, including environmental monitoring and wastewater treatment.In order to understand the importance of the nessler tube, it is essential to grasp the concept of colorimetry. Colorimetry is a technique that involves measuring the absorbance of light by a solution at a specific wavelength. When a sample containing ammonia is treated with Nessler's reagent, a chemical reaction occurs, resulting in the formation of a colored complex. The intensity of this color is directly proportional to the concentration of ammonia present in the sample. By using a nessler tube, chemists can easily compare the color of their sample to a series of standard solutions, allowing them to determine the exact concentration of ammonia.The nessler tube is not just a simple piece of laboratory equipment; it represents a significant advancement in analytical techniques. Before the advent of such tools, measuring the concentration of ammonia was a cumbersome process that often yielded inaccurate results. The introduction of the nessler tube streamlined this process, enabling scientists to obtain reliable data quickly and efficiently.Furthermore, the use of the nessler tube extends beyond just measuring ammonia levels. It has applications in various fields, including agriculture, where monitoring soil and water quality is essential for crop production. In industries such as food and beverage, the nessler tube can be employed to ensure that products meet safety standards by keeping ammonia levels within acceptable limits.In conclusion, the nessler tube is an essential tool in analytical chemistry that facilitates the accurate measurement of ammonia concentrations in different solutions. Its role in colorimetric analysis has revolutionized the way chemists approach the quantification of such compounds, leading to more efficient and reliable results. As we continue to explore the complexities of chemistry, tools like the nessler tube will undoubtedly remain at the forefront of scientific discovery and innovation.

化学研究常常需要精确的测量和特定的工具来有效分析物质。其中一个在分析化学领域被证明是无价的工具就是尼斯勒管。尼斯勒管是一种专用玻璃容器，主要用于水溶液中氨和铵离子的比色分析。它的设计允许准确评估这些化合物的浓度，这在环境监测和废水处理等各种应用中至关重要。为了理解尼斯勒管的重要性，有必要掌握比色法的概念。比色法是一种测量溶液在特定波长下光吸收的技术。当含有氨的样品与尼斯勒试剂反应时，会发生化学反应，形成一种有色复合物。这种颜色的强度与样品中氨的浓度成正比。通过使用尼斯勒管，化学家可以轻松地将他们的样品颜色与一系列标准溶液进行比较，从而确定氨的确切浓度。尼斯勒管不仅仅是一个简单的实验室设备；它代表了分析技术的一项重大进步。在这种工具出现之前，测量氨的浓度是一个繁琐的过程，往往导致不准确的结果。尼斯勒管的引入简化了这一过程，使科学家能够快速高效地获得可靠的数据。此外，尼斯勒管的使用不仅限于测量氨水平。它在农业等各个领域都有应用，在这些领域中，监测土壤和水质对于作物生产至关重要。在食品和饮料等行业中，尼斯勒管可以用于确保产品符合安全标准，通过保持氨水平在可接受的范围内。总之，尼斯勒管是分析化学中一种必不可少的工具，促进了不同溶液中氨浓度的准确测量。它在比色分析中的作用彻底改变了化学家们对这些化合物量化的方式，从而导致更高效和可靠的结果。随着我们继续探索化学的复杂性，像尼斯勒管这样的工具无疑将继续处于科学发现和创新的前沿。