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Chapter 14

Atomic Spectroscopy

原子光谱学:吸收、发射和荧光
原子光谱学:吸收、发射和荧光
Atomic spectroscopy is a vital tool in elemental analysis, both qualitatively and quantitatively. It can be broadly divided into optical spectroscopy, ...
原子光谱:温度的影响
原子光谱:温度的影响
Atomization, converting samples into gas-phase atoms and ions, is essential for atomic spectroscopy. The flame temperature required for atomization ...
原子吸收光谱法:概述
原子吸收光谱法:概述
Atomic absorption spectroscopy (AAS) is a technique used to analyze elements by measuring electromagnetic radiation (EMR) absorbed by atoms, which causes ...
原子吸收光谱法:仪器
原子吸收光谱法:仪器
An atomic absorption spectrophotometer (AAS) comprises several components: a radiation source, an atomizer, a monochromator, and a detector. The radiation ...
原子吸收光谱法
原子吸收光谱法
Atomic absorption spectroscopy (AAS) relies on the Beer-Lambert law, which requires that the radiation source emits a narrow range of wavelengths to match ...
原子吸收光谱法:雾化法
原子吸收光谱法:雾化法
Atomic Absorption Spectroscopy (AAS) atomizes samples through flame atomization or electrothermal atomization. Flame atomization typically involves a ...
原子吸收光谱法:干扰
原子吸收光谱法:干扰
Interference leads to systematic error in atomic absorption (AA) measurements by enhancing or diminishing the analytical signal or the background. These ...
原子吸收光谱法:实验
原子吸收光谱法:实验
For AAS measurements, samples must be introduced as clear solutions, often requiring extensive preliminary treatment to dissolve materials like soils, ...
原子发射光谱:概述
原子发射光谱:概述
Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from ...
原子发射光谱:仪器
原子发射光谱:仪器
The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase ...
原子发射光谱法:干扰
原子发射光谱法:干扰
In atomic emission spectroscopy (AES), high-temperature atomizers excite a broad range of elements and molecules that generate complex emissions from ...
电感耦合等离子体原子发射光谱法:原理
电感耦合等离子体原子发射光谱法:原理
Inductively coupled plasma (ICP) is the most widely used plasma source in atomic emission spectroscopy (AES), also known as Inductively Coupled Plasma ...
电感耦合等离子体原子发射光谱法:仪器
电感耦合等离子体原子发射光谱法:仪器
Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various ...
原子发射光谱法:实验
原子发射光谱法:实验
AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. ...
原子荧光光谱法
原子荧光光谱法
Atomic fluorescence spectroscopy (AFS) is an analytical technique that involves the electronic transitions of atoms in a flame, furnace, or plasma being ...
火焰光度法:概述
火焰光度法:概述
Flame photometry, also known as flame emission spectrometry, is a technique used for the qualitative and quantitative analysis of elements present in a ...
火焰光度法:实验
火焰光度法:实验
In a flame photometer, when a solution like potassium chloride is aspirated into the flame, the solvent evaporates, leaving behind dehydrated salt. This ...
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