Quantification of recycled rubber content of end-of-life tyres in asphalt bitumen by total-reflection X-ray fluorescence spectrometry

• Published in: Spectrochimica acta. Part B: Atomic spectroscopy Vol. 166; p. 105803
• Main Authors: Fernández-Ruiz, Ramón, Friedrich K., E. Josué, Redrejo, M.J., Pérez-Aparicio, Roberto, Saiz-Rodríguez, Leticia
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier B.V 01.04.2020; Elsevier BV
• Subjects: Acid digestion; Analytical methods; Asphalt; Asphalt bitumen; Binders; Bitumens; Correlation; Detection limits; End of life; Fluorescence; Recycled crumb rubber; Reflection; Rubber; Scientific imaging; Scrap; Spectrometry; Tires; TXRF; X ray reflection; X rays; X-ray fluorescence; X-ray spectroscopy; Zinc; Correlation; Recycled crumb rubber; Zn; Asphalt bitumen; TXRF

This article presents a new methodology developed to quantify the amount of crumb rubber used in asphalt bitumen by Total-reflection X-Ray Fluorescence (TXRF) spectrometry. For the evaluation of the crumb rubber content in rubberized binders, the samples were completely digested by microwave-assiste...