Sensitive and stable atomic fluorescence generating system capable of atomizing continuously

Abstract

The invention discloses a sensitive and stable atomic fluorescence generating system capable of atomizing continuously. The system comprises an electrically heated quartz tube, an argon source, a solution atomizer, a gas-liquid separating and gas mixing device, a water seal, and a hydrogen generator, wherein the solution atomizer is connected with the argon source and the gas-liquid separating and gas mixing device which is respectively communicated with the hydrogen generator, the electrically heated quartz tube and the water seal. The sensitive and stable atomic fluorescence generating system capable of atomizing continuously has the advantages of stable flame, high atomic fluorescence sensitivity and high sample atomizing efficiency, and has the characteristic of continuous sample introduction, so that an analytical instrument can reduce the measurement error through prolonging the measurement time so as to obtain ideal measurement precision and detection limit.

Description

Technical field: [0001] The invention relates to an atomic fluorescence spectrum analysis device, in particular to an atomic fluorescence generation system in the atomic fluorescence analysis device. Background technique: [0002] Atomic Fluorescence Spectroscopy (AFS) is a spectral analysis technique between Atomic Emission Spectroscopy (AES) and Atomic Absorption Spectroscopy (AAS); it uses an excitation light source to irradiate atomic vapor containing a certain concentration of the element to be measured, so that the ground state The atom transitions to an excited state and emits atomic fluorescence; the content of the element in the sample to be tested can be obtained by measuring the intensity of atomic fluorescence. [0003] Atomic fluorescence is an important branch of atomic spectroscopy. Its advantage is that there is less spectral interference, because the atoms to be measured in the sample have to go through two processes of absorption and emission, so many atomi...

AI Technical Summary

Problems solved by technology

Due to the limitations of the hydride method, there are few elements that can generate hydrides. Currently, only 11 elements including As, Sb, Bi, Ge, Sn, Se, Te, Hg, Zn, and Cd can be measured.

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