An International Journal of Spectroscopy
A journal of the Society for Applied Spectroscopy—over 70 years of scientific excellence and education
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Applied Spectroscopy is one of the world's leading spectroscopy journals, publishing high-quality articles, both fundamental and applied, covering all aspects of spectroscopy. Established in 1951, the journal is owned by the Society for Applied Spectroscopy and is published monthly. The journal is dedicated to fulfilling the mission of the Society to “…advance and disseminate knowledge and information concerning the art and science of spectroscopy and other allied sciences.” All manuscripts are rigorously peer-reviewed.
The journal publishes high-impact reviews, original research papers, and technical notes. In keeping with the Society's educational mandate, Focal Point Review papers are free to view. This means that the articles are freely available at the time of publication to scientists, students, and the general public worldwide.
With an Impact Factor (IF) of 2.388, Applied Spectroscopy is in the top quartile of journals in the Instruments and Instrumentation category and in the top half of the Spectroscopy category.
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Focal Point Reviews
As noted above, the journal publishes high-impact reviews, original research papers, and technical notes. In keeping with the Society's educational mandate, Focal Point Review papers are free to view.
September 2021 Focal Point Review
Raman spectroscopy is gaining ground in the analysis of microplastics, especially due to its high spatial resolution that allows the investigation of small plastic particles, whose numeric abundance is argued to be particularly relevant in aquatic systems. Here, we aimed at outlining the status of Raman analysis of microplastics from aquatic systems, highlighting the advantages and the drawbacks of this technique and critically presenting tools and ways to effectively employ this instrument and to improve the spectra obtained and their interpretation. In particular, we summarized procedural information for the use of Raman spectroscopy, and we discussed issues linked to fluorescence interference and the analysis of weathered polymers, which may complicate the interpretation of Raman signatures.
In this context, a deep understanding of the different plastic polymers and their Raman peaks and chemical fingerprints is fundamental to avoid misidentification. Therefore, we provided a catalog with detailed information about peaks of most common plastic polymers, and this represents, to the best of our knowledge, the first comprehensive resource that systematically synthesized plastic Raman peaks. Additionally, we focused on plastic additives, which are contained in the majority of plastics. These compounds are often intense in Raman scattering and may partly or completely overlie the actual material types, resulting in the identification of additives alone or misidentification issue. For these reasons, we also presented a new R package “RamanMP” that includes a database of 356 spectra (325 of which are additives). This will help to foster the use of this technique, which is becoming especially relevant in microplastic analysis.
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