Nationwide distribution, transformation, and risks of p-Phenylenediamines and their quinone transformation products in Chinese agricultural soils
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p-Phenylenediamines (PPDs) are widely used as antioxidants in tire formulations and are released to the environment via tire wear, where they can be transformed into more toxic p-phenylenediamine-derived quinones (PPD-Qs). Despite growing recognition of their ... ...
