Assessment of the physical properties, and the hydrogen, carbon, and oxygen content in plastics using energy-dispersive X-ray fluorescence spectrometry

被引：16

作者：

Aidene, Soraya ^{[1
]}

Semenov, Valentin ^{[1
,2
]}

Kirsanov, Denis ^{[3
]}

Kirsanov, Dmitry ^{[1
]}

Panchuk, Vitaly ^{[1
,2
]}

机构：

[1] St Petersburg State Univ, Inst Chem, St Petersburg, Russia

[2] RAS, Inst Analyt Instrumentat, St Petersburg, Russia

[3] VINK LLC, St Petersburg, Russia

来源：

SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY | 2020年 / 165卷

关键词：

EDX; Plastics; Chemometrics; Carbon; Hydrogen; SCATTERING; CLASSIFICATION; SPECTROSCOPY; CHEMOMETRICS; SAMPLES;

D O I：

10.1016/j.sab.2020.105771

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Energy-dispersive X-ray fluorescence spectrometry (EDX) is a widely used modern elemental analysis method. Most of the commercially produced EDX spectrometers cannot determine elements with atomic numbers below 11 (sodium). The EDX spectra contain scattering components and their intensity depends on the elemental composition and physical properties of the samples. The use of scattering as an analytical signal provides the opportunity to determine the integral characteristics of various samples. Since the light elements (with atomic numbers < 11) also contribute to the scattering, it is possible to indirectly quantify these elements. In this study we demonstrate the use of X-ray scattering signals and chemometric tools to assess the physical properties and quantify the carbon, oxygen, and hydrogen content of various plastics.

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