Analytical Chemistry

便携式X射线荧光光谱分析

Portable X-ray fluorescence spectroscopy

A non-destructive analytical technique used to determine the elemental composition of materials by measuring the characteristic X-ray fluorescence emitted from a sample. / 一种用于通过测量样品发射的特征X射线荧光来确定材料元素成分的非破坏性分析技术。

Knowledge type: 物理设备
First proposed or discovered
Proposer: Turkey Farm member
Creator: 农场主
Last updated: 2026-11-09 21:06:20

Sub-knowledge points

Energy-dispersive X-ray fluorescence (ED-XRF)Wavelength-dispersive X-ray fluorescence (WD-XRF)Micro-XRF (µXRF)

Higher-order knowledge points

X-ray spectroscopyNon-destructive testingArt conservation science

Main parameters and performance indicators

Excitation source: X-ray tube or radioactive sourceDetection method: Solid-state detector (e.g., Silicon Drift Detector)Sample type: Solid, liquid, or powderAnalysis depth: Surface to a few micrometers

Open problems

Quantitative analysis of light elements (e.g., Li, Be, B)Matrix effects correctionDepth profiling resolution

Related literature

ranked by community stars

Non-invasive analysis of the palette of Antonio Berni in four paintings from 1931 to 1944 by portable X-ray fluorescence spectroscopy (pXRF)Open source

便携式X射线荧光光谱分析

Sub-knowledge points

Higher-order knowledge points

Main parameters and performance indicators

Open problems

Related products and links