Luoyang Yuboo Testing Technology Co., Ltd.
The Difference Between Laser and Fluorescence Handheld Spectrometers
Release Time:
2024-04-08 14:57
Laser handheld spectrometer and fluorescence handheld spectrometer are two common handheld spectrometers. They have some differences in principles, applications and characteristics
Laser handheld spectrometer and fluorescence handheld spectrometer are two common handheld spectrometers. They have some differences in principles, applications and characteristics:
1.principle:
Laser handheld spectrometer: uses laser as the light source to obtain the spectral information of the sample through processes such as laser-induced plasma (LIBS) or laser-induced fluorescence (LIF) generated by the sample. It mainly determines the elemental composition in the sample by measuring the spectrum of specific wavelengths emitted by the sample.
Fluorescence handheld spectrometer: Using ultraviolet light as the excitation light source, the sample emits fluorescence under ultraviolet light excitation, and the elemental composition in the sample is analyzed by measuring the fluorescence emission spectrum. Fluorescence spectrometers are usually suitable for the detection of certain specific elements, such as heavy metals.
2.application:
Laser handheld spectrometer: suitable for a wide range of elemental analysis, capable of detecting a variety of elements, and can be used for the analysis of non-metallic samples. Common applications include metal material analysis, ore detection, environmental monitoring, etc.
Fluorescence handheld spectrometer: mainly used for the detection of specific elements, such as heavy metal elements. It is widely used in environmental monitoring, food safety testing and other fields.
3.Features:
Laser handheld spectrometer: It has the characteristics of fast, accurate, multi-element analysis, etc., and is suitable for the analysis of various sample types, but it may be more expensive than fluorescence spectrometer.
Fluorescence handheld spectrometers: have high sensitivity and selectivity for detection of specific elements, but may not be suitable for multi-element analysis and may require more attention in sample preparation.
In general, there are differences in application fields and characteristics between laser handheld spectrometers and fluorescence handheld spectrometers. Users need to make a choice based on their own needs and sample characteristics.
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