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Abstract— <p>Raman scattering and photoluminescence techniques are used to study polystyrene containing TiO<sub>2</sub> (the white dye pigment). It is shown that the spectral features of TiO<sub>2</sub> emission, caused by the vanadium intrinsic impurity in TiO<sub>2</sub>, can be used as a luminescent marker that allows the presence of TiO<sub>2</sub> particles in plastic to be determined.</p>

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New Method for TiO2 Particle Detection in Plastic

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • D. F. Aminev,
  • E. E. Onishchenko,
  • S. I. Chentsov

摘要

Abstract—

Raman scattering and photoluminescence techniques are used to study polystyrene containing TiO2 (the white dye pigment). It is shown that the spectral features of TiO2 emission, caused by the vanadium intrinsic impurity in TiO2, can be used as a luminescent marker that allows the presence of TiO2 particles in plastic to be determined.