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Updated: Jul 17, 2025

Gas Chromatography-Mass Spectrometry Paired with Total Vaporization Solid-Phase Microextraction as a Forensic Tool
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固体相光热诱导化学蒸气生成:一种新的吸法,用于通过高通量20纤维直接浸泡固体相微提取进行分析

Yubin Su1, Yao Lin2, Tian Ren1

  • 1Key Laboratory of Green Chemistry & Technology of MOE, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China.

Analytical chemistry
|September 2, 2023
PubMed
概括

一种新的固体相光热诱导化学蒸气生成 (SP-PT-CVG) 方法可在水中提供敏感的检测. 这种环保技术结合了直接浸泡固体相微提取 (DI-SPME) 与原子光谱 (AFS) 进行改进的分析.

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Atomic Absorption Spectroscopy: Atomization Methods01:25

Atomic Absorption Spectroscopy: Atomization Methods

Atomic Absorption Spectroscopy (AAS) atomizes samples through flame atomization or electrothermal atomization. Flame atomization typically involves a nebulizer and spray chamber assembly to combine the sample with a fuel–oxidant mixture, creating a fine aerosol mist that enters a burner. Typically, the fuel and oxidant are combined in an approximately stoichiometric ratio. However, for atoms that are easily oxidized, a fuel-rich mixture may be more advantageous. Only about 5% of the...
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