Journal
MINERALS
Volume 12, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/min12050627
Keywords
fibrous zeolites; mineral fibers; health hazard; fibrous mordenite; Northern Italy
Funding
- project Fibers a Multidisciplinary Mineralogical, Crystal-Chemical and Biological Project to Amend the Paradigm of Toxicity and Cancerogenicity of Mineral Fibers (PRIN: PROGETTI DI RICERCA DI RILEVANTE INTERESSE NAZIONALE-Bando, 2017) [20173 x 8WA4]
- Department of Pure and Applied Sciences of the University of Urbino Carlo Bo
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This study investigated the characteristics of suspected toxic mordenite fibers from Northern Italy. The mordenite samples showed similar structural and chemical properties, and had respirable fibers that could potentially pose a health hazard.
This study explored morphological, mineralogical, and physicochemical features of suspected toxic mordenite fibers from Northern Italy. All the mordenite samples (FAS1, GC1, SP1) show similar structural and chemical character, are Na-rich (Na > Ca > K), and the Al content decrease reflects the unit cell volumes in the series: FAS1 > SP1 > GC1. The aerodynamic diameter (D-ae) values of the mordenite fibers are 1.19 mu m for the GC1 sample, 2.69 mu m for FAS1, and 3.91 mu m for SP1. All the studied mordenite samples are characterized by respirable fibers despite the size differences, which could reach the deeper parts of the lungs. For this reason, fibrous mordenite could represent a potential health hazard and then need to be handled with attention, but further toxicity studies are needed.
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