Organizations: Contaminant fate processes Variables: dissolved_oygen pH Keywords: high resolution mass spectrometry Substances: 1-Propanesulfonate (KCXFHTAICRTXLI-UHFFFAOYSA-N) 4-Acetamidoantipyrin ( N-Acetyl-4-Aminoantipyrin 4-AAA) (OIAGWXKSCXPNNZ-UHFFFAOYSA-N)