nephelometric analysis

简明释义

比浊法

英英释义

例句

1.The nephelometric analysis revealed that the sample contained higher levels of contaminants than expected.

该浊度分析显示样品中的污染物水平高于预期。

2.The laboratory conducted a nephelometric analysis to determine the turbidity of the water sample.

实验室进行了浊度分析以确定水样的浊度。

3.Using nephelometric analysis, researchers were able to quantify the concentration of suspended particles in the air.

通过浊度分析，研究人员能够量化空气中悬浮颗粒的浓度。

4.In clinical settings, nephelometric analysis is often used to measure protein levels in serum.

在临床环境中，浊度分析通常用于测量血清中的蛋白质水平。

5.The results from the nephelometric analysis indicated a significant increase in particulate matter after the industrial discharge.

来自浊度分析的结果表明，工业排放后颗粒物显著增加。

作文

Nephelometric analysis is a widely used technique in the field of analytical chemistry, which measures the scattering of light by particles suspended in a solution. This method is particularly useful for determining the concentration of substances that do not absorb light at the wavelength being used for measurement. By utilizing a nephelometer, scientists can obtain quantitative data about the turbidity of a sample, which is directly related to the number and size of particles present. The principle behind nephelometric analysis (浊度分析) is based on the fact that when a beam of light passes through a colloidal solution, some of the light is scattered by the particles. The amount of light scattered at a specific angle can be measured and correlated to the concentration of the particles in the solution.One of the significant advantages of nephelometric analysis (浊度分析) is its sensitivity. It can detect very low concentrations of particles, making it an ideal method for various applications, including environmental monitoring, clinical diagnostics, and food safety testing. For example, in environmental studies, researchers often use this technique to measure the turbidity of water samples, which can indicate the presence of pollutants or sediments. Similarly, in clinical laboratories, nephelometric analysis (浊度分析) is employed to assess levels of proteins in blood serum, providing crucial information for diagnosing diseases.Moreover, nephelometric analysis (浊度分析) is relatively straightforward and quick, allowing for rapid results compared to other analytical methods. This speed is beneficial in situations where timely decision-making is critical, such as in emergency medical situations or during environmental crises. However, while nephelometric analysis (浊度分析) offers many advantages, it also has some limitations. For instance, the presence of highly colored solutions can interfere with the accuracy of measurements, as colored compounds can absorb light and affect the scattering results. Therefore, it is essential to ensure that the samples analyzed are suitable for this method, or to apply appropriate corrections if necessary.In conclusion, nephelometric analysis (浊度分析) is a powerful tool in analytical chemistry that provides valuable insights into the concentration of particulate matter in various solutions. Its ability to deliver quick and sensitive results makes it indispensable in numerous fields, from environmental science to healthcare. As technology advances, further improvements in nephelometric analysis (浊度分析) techniques are likely to enhance their accuracy and broaden their applications, ultimately contributing to better monitoring and understanding of various substances in our world.