Journal
JOURNAL OF SEPARATION SCIENCE
Volume 44, Issue 8, Pages 1694-1705Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jssc.202001249
Keywords
air analysis; plasticizers; polycyclic aromatic hydrocarbons; solid‐ phase extraction; tire rubber
Categories
Funding
- Ministry of Science and Innovation, Spain [PID2019-104336RB-I00]
- Division of Analytical Chemistry of the European Chemical Society
- FEDER (EU)
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An effective and sustainable air analysis method was developed to analyze volatile and semi-volatile organic compounds present in tire rubber and crumb rubber materials. The method, based on active sampling using a sorbent material and ultrasound-assisted extraction, showed no breakthrough within the studied interval and demonstrated linearity in a wide concentration range. It was successfully applied to various indoor and outdoor air environments, including a recycled rubber synthetic turf football pitch.
An effective, quick, and sustainable air analysis method was developed to analyze 41 volatiles and semivolatile organic compounds present in tire rubber and crumb rubber materials. The proposed method, based on active sampling using a sorbent material followed by an ultrasound assisted extraction, was developed with the aim of obtaining a fast and simple procedure to determine polycyclic aromatic hydrocarbons, plasticizers, antioxidants, and vulcanization agents in air. A small amount of sorbent (25 mg) was used, and the analytes were recovered in only 1 mL of solvent. An experimental design was applied to study the influence of main factors such as type of sorbent and type of solvent, extraction technique (ultrasound-assisted extraction and vortex extraction), extraction time, as well as the factor interactions. Under optimal conditions, no breakthrough occurs in the studied interval (up to 4 m(3)). Linearity was demonstrated in a wide concentration range. Accuracy of the total sampling-extraction analysis was evaluated obtaining satisfactory recoveries as well as good precision. The method was successfully applied to different outdoor and indoor air environments, including a recycled rubber synthetic turf football pitch.
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