fig3

From: Emerging piezo-photocatalytic conversion of microplastics: mechanisms, evidence standards, and interface-oriented catalyst design

Figure 3. Evidence hierarchy and standardized reporting framework for microplastic conversion. MP: Microplastic; DOC: dissolved organic carbon; TOC: total organic carbon; TIC: total inorganic carbon; GC-MS: gas chromatography–mass spectrometry; LC-MS: liquid chromatography–mass spectrometry; HRMS: high-resolution mass spectrometry; HPLC: high-performance liquid chromatography; NMR: nuclear magnetic resonance; SEC: size-exclusion chromatography; GPC: gel permeation chromatography; Py-GC/MS: pyrolysis–gas chromatography–mass spectrometry; SEM: scanning electron microscopy; AFM: atomic force microscopy; FTIR: Fourier-transform infrared spectroscopy.