Table 2 Polymer and additive identification of plastics found in the digestive tract of crickets (Gryllus pennsylvanicus) trapped within or adjacent to a biosolid-applied agricultural field. Microplastic polymers and additives were identified by Fourier Transform Infrared (FTIR) spectroscopy.
FTIR particle ID | Compound name | Type | Match (%) | Morphology |
|---|---|---|---|---|
6 | Poly(trioxane dioxolane) | Additive | 47.38 | Fiber |
7 | Isophorone, 97% | Additive | 73.73 | Fiber |
Isophorone, 97% | Additive | 75.88 | Fiber | |
11 | Polyvinyl alcohol | Polymer | 46.22 | Fragment |
Isophorone, 97% | Additive | 74.67 | Fragment | |
Poly(Acrylonitrile) | Polymer resin | 38.31 | Fragment | |
13 | Poly(vinyl acetate: ethylene) 3:1 | Copolymer | 33.93 | Fragment |
Isophorone, 97% | Additive | 30.89 | Fragment | |
Hexamethylomelamine | Resin precursor | 40.73 | Fragment | |
19 | Poly(3-vinylphenanthrene) | Additive | 50.02 | Fragment |
Poly(3-vinylphenanthrene) | Additive | 46.25 | Fragment | |
Cyclopentadienyltitabium trichloride, 97% | Catalyst | 47.22 | Fragment | |
Cyclopentadienyltitabium trichloride, 97% | Catalyst | 41.75 | Fragment | |
21 | PVB (poly(vinyl butyral)) | Resin | 38.82 | Fragment |
PVB (poly(vinyl butyral)) | Resin | 39.54 | Fragment | |
Poly(1,8-octanedioxy hydrogen phosphate) | Polyester | 43.65 | Fragment | |
Poly(1,8-octanedioxy hydrogen phosphate) | Polyester | 46.27 | Fragment | |
2-Butyne-1,4-diol | Additive | 36.57 | Fragment |
