atomic absorption spectrum

简明释义

原子吸收光谱

英英释义

A spectrum obtained by measuring the wavelengths of light absorbed by atoms in a gaseous state, which is used to identify and quantify elements in a sample.

通过测量气态原子吸收的光波长而获得的光谱,用于识别和定量样品中的元素。

例句

1.The analysis of metals in water samples often involves measuring the atomic absorption spectrum 原子吸收光谱 to determine their concentrations.

水样中金属的分析通常涉及测量原子吸收光谱 atomic absorption spectrum以确定其浓度。

2.Researchers used the atomic absorption spectrum 原子吸收光谱 to identify trace elements in soil samples.

研究人员使用原子吸收光谱 atomic absorption spectrum识别土壤样品中的微量元素。

3.Using the atomic absorption spectrum 原子吸收光谱, scientists can quantify heavy metals in biological tissues.

科学家可以利用原子吸收光谱 atomic absorption spectrum定量生物组织中的重金属。

4.The laboratory technician calibrated the instrument to ensure accurate readings of the atomic absorption spectrum 原子吸收光谱.

实验室技术员校准仪器,以确保原子吸收光谱 atomic absorption spectrum的读数准确。

5.In environmental monitoring, the atomic absorption spectrum 原子吸收光谱 is crucial for detecting pollutants.

在环境监测中,原子吸收光谱 atomic absorption spectrum对于检测污染物至关重要。

作文

The study of atomic absorption spectroscopy is a vital part of analytical chemistry. One key concept in this field is the atomic absorption spectrum, which refers to the spectrum of absorbed light by atoms in a gaseous state. This phenomenon occurs when atoms absorb specific wavelengths of light, leading to transitions between energy levels. Understanding the atomic absorption spectrum allows scientists to identify and quantify elements within a sample, making it an essential tool in various applications such as environmental monitoring, food safety, and clinical diagnostics.In essence, the atomic absorption spectrum is produced when light from a source passes through a vapor of atoms. Each element has a unique set of energy levels, and thus, a distinct absorption spectrum. When light hits the atoms, certain wavelengths are absorbed, and this absorption can be measured. By analyzing the resulting spectrum, chemists can determine the concentration of specific elements in a sample. For example, if a water sample is suspected to contain heavy metals, the atomic absorption spectrum can help identify and quantify these contaminants.The importance of the atomic absorption spectrum extends beyond just identifying elements; it plays a crucial role in quality control across various industries. In pharmaceuticals, for instance, ensuring the correct dosage of active ingredients is paramount. By utilizing atomic absorption spectrum techniques, manufacturers can verify the concentration of these compounds, ensuring safety and efficacy.Moreover, environmental scientists employ the atomic absorption spectrum to monitor pollution levels in air and water. By measuring the absorption of specific wavelengths, they can detect harmful substances such as lead or mercury in the environment. This data is critical for regulatory compliance and public health safety.In educational settings, the atomic absorption spectrum serves as a practical demonstration of fundamental principles of quantum mechanics and atomic theory. Students learn how electrons transition between different energy states and how this relates to the behavior of matter at the atomic level. The hands-on experience with spectroscopy equipment not only reinforces theoretical knowledge but also equips students with valuable skills for future careers in science.Despite its advantages, there are challenges associated with the atomic absorption spectrum. For instance, the presence of interfering substances can complicate the analysis, leading to inaccurate results. Therefore, chemists must carefully prepare samples and choose appropriate methods to minimize interference. Additionally, while atomic absorption spectrum is highly effective for many elements, it may not be suitable for all, particularly those that do not absorb light well.In conclusion, the atomic absorption spectrum is a powerful analytical tool that provides insights into the composition of various materials. Its applications span multiple fields, including environmental science, pharmaceuticals, and education. By mastering this concept, students and professionals alike can contribute to advancements in science and technology, ultimately leading to safer products and a healthier environment. The continued exploration of the atomic absorption spectrum will undoubtedly yield further discoveries and innovations in the years to come.

原子吸收光谱的研究是分析化学的重要组成部分。这个领域的一个关键概念是原子吸收光谱,它指的是气态原子吸收光的光谱。当原子吸收特定波长的光时,就会发生这种现象,从而导致能级之间的跃迁。理解原子吸收光谱使科学家能够识别和量化样本中的元素,这使其成为环境监测、食品安全和临床诊断等各种应用中的重要工具。从本质上讲,原子吸收光谱是在光源的光通过原子蒸汽时产生的。每种元素都有一组独特的能级,因此具有独特的吸收光谱。当光照射到原子时,某些波长的光被吸收,而这种吸收可以被测量。通过分析结果光谱,化学家可以确定样本中特定元素的浓度。例如,如果水样本怀疑含有重金属,则可以利用原子吸收光谱帮助识别和量化这些污染物。原子吸收光谱的重要性不仅仅在于识别元素;它在各个行业的质量控制中也起着至关重要的作用。在制药行业,确保活性成分的正确剂量至关重要。通过利用原子吸收光谱技术,制造商可以验证这些化合物的浓度,以确保安全性和有效性。此外,环境科学家利用原子吸收光谱监测空气和水中的污染物水平。通过测量特定波长的吸收,他们可以检测环境中如铅或汞等有害物质。这些数据对于遵守法规和保护公共健康至关重要。在教育环境中,原子吸收光谱作为量子力学和原子理论基本原理的实际演示。学生们学习电子如何在不同的能级之间跃迁,以及这与原子层面物质行为的关系。使用光谱仪器的实践经验不仅巩固了理论知识,还为学生未来的科学职业装备了宝贵的技能。尽管有其优点,但原子吸收光谱也面临挑战。例如,干扰物质的存在可能会使分析复杂化,从而导致不准确的结果。因此,化学家必须仔细准备样本并选择适当的方法以最小化干扰。此外,虽然原子吸收光谱对许多元素非常有效,但对于那些不易吸收光的元素可能不适用。总之,原子吸收光谱是一种强大的分析工具,提供了对各种材料成分的深入了解。它的应用跨越多个领域,包括环境科学、制药和教育。通过掌握这一概念,学生和专业人士都可以为科学和技术的进步做出贡献,最终导致更安全的产品和更健康的环境。对原子吸收光谱的持续探索无疑将在未来几年带来更多发现和创新。

相关单词

atomic

atomic详解:怎么读、什么意思、用法

absorption

absorption详解:怎么读、什么意思、用法

spectrum

spectrum详解:怎么读、什么意思、用法