Determination of Diphenylamine Antioxidants in Wastewater/Biosolids and Sediment

Diphenylamine derivatives are widely used as antioxidant additives in vehicle engine oils, commercial/industrial lubricants, and products composed of rubber. Their presence in the environment results primarily from human activity, and there are no known environmental measurements of these substances in any media. In this study, 17 components of three diphenylamine substances, 2-propanone, reaction products with diphenylamine (PREPOD),...