Table 2.
Metadata of polymer specimens for which spectra could not be obtained.
| entry no. | sample_id | color | poly_acronym | polymer | structure | category | description | parent_grp | location_collected |
|---|---|---|---|---|---|---|---|---|---|
| 1 | BIOL011 | brown | — | keratin | fragment | biological | hawksbill turtle, Eretmochelys imbricata, scute | biological | Hawaii |
| 2 | BIOL018 | red | — | algin | sheet | biological | Cryptopleura sp. algae blade | biological | Monterey Bay, CA |
| 3 | BIOL019 | green | — | algin | sheet | biological | Ulva sp. algae blade | biological | Monterey Bay, CA |
| 4 | BIOL020 | brown | — | cellulose | sheet | biological | cardboard box | biological | commercial |
| 5 | BIOL026 | white | — | calcium carbonate | fragment | biological | Pacific purple urchin, Strongylocentrotus purpuratus, shell | biological | Monterey Bay, CA |
| 6 | BIOL027 | brown | — | keratin | fur | biological | sea otter, Enhydra lutris, pup pelt SO # 1971–91 | biological | Monterey Bay, CA |
| 7 | BIOL029 | gray, red before drying | — | algin, calcium carbonate | fragment | biological | Corallina sp. calcareous red algae | biological | Monterey Bay, CA |
| 8 | BIOL030 | brown green | — | algin | sheet | biological | Egregia menziesii, feather boa kelp | biological | Monterey Bay, CA |
| 9 | BIOL032 | dark green brown | — | algin | fragment | biological | Nereocystis luetkeana, bull kelp neumatocyst | biological | Monterey Bay, CA |
| 10 | PLAS039 | black | PMMA | acrylic | sheet | pristine | optix acrylic 2025, alpha packaging | consumer | commercial |
| 11 | PLAS053 | clear | PE | polyethylene | sheet | pristine | costume bag | consumer | commercial |
| 12 | PLAS076 | black | PVC | vinyl | flooring | pristine | Vinyl flooring sample | building material | commercial |
| 13 | PLAS192 | gray | CPVC | chlorinated polyvinyl chloride | sheet | pristine | McMaster Carr samples | industrial | commercial |
| 14 | PLAS196 | gray | PAI | polyamide-imide | sheet | pristine | Torlon® samples | industrial | commercial |
| 15 | PLAS229 | amber | MDI | methylene diphenyl diisocyanate | resin | pristine | gorilla glue | consumer | commercial |