From: Value for money: a cost-effectiveness analysis of microplastic analytics in seawater
Method | Method subcategory | Confirmative plastic/non-plastic | Physical character-isation MPs | MP mass determination | MP polymer identifi-cation | LOD > 300 µm (0),  > 50 µm (1) or < 50 µm (2) | TWP character -isation | Identifi -cation of chemical additives | Destructive for sample | Total score |
---|---|---|---|---|---|---|---|---|---|---|
(Fluorescence) (Stereo)microscopy | Microscopy | 0 | 2 | 1 | 0 | 2 | 0 | 0 | 2 | 7 |
Stereomicroscopy | 0 | 2 | 1 | 0 | 1 | 0 | 0 | 2 | 6 | |
Fluorescence microscopy | 0 | 2 | 1 | 1 | 2 | 0 | 0 | 2 | 8 | |
Fluorescence stereomicroscopy | 0 | 2 | 1 | 1 | 1 | 0 | 0 | 2 | 7 | |
(Stereo)microscopy + ATR-FTIR |  | 2 | 2 | 1 | 2 | 0 | 1 | 0 | 2 | 10 |
(Stereo)microscopy + µ-FTIR | Microscopy | 2 | 2 | 1 | 2 | 2 | 1 | 0 | 2 | 12 |
Stereomicroscopy | 2 | 2 | 1 | 2 | 1 | 1 | 0 | 2 | 11 | |
Fluorescence (stereo)microscopy + µ-FTIR | Fluorescence microscopy | 2 | 2 | 1 | 2 | 2 | 1 | 0 | 2 | 12 |
Fluorescence stereomicroscopy | 2 | 2 | 1 | 2 | 1 | 1 | 0 | 2 | 11 | |
(Stereo)microscopy + µ-Raman | Microscopy | 2 | 2 | 1 | 2 | 2 | 1 | 0 | 2 | 12 |
Stereomicroscopy | 2 | 2 | 1 | 2 | 1 | 1 | 0 | 2 | 11 | |
GC–MS-based techniques |  | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 0 | 13 |