Supplementary Table 4: Average absorbance of each sample from the low-resolution mid-infrared reflection spectrometer.
Abs average | 1 | 2 | 3 | 4 |
Upland cotton | 1.31 | 1.31 | 1.39 | 1.41 |
Pima cotton | 1.26 | 1.24 | 1.31 | 1.37 |
Oil on cotton | 1.52 | 1.5 | 1.59 | 1.64 |
Grease on cotton | 1.52 | 1.47 | 1.67 | 1.71 |
Bale twine | 1.06 | 1.04 | 1.13 | 1.11 |
New module tarp | 0.78 | 0.79 | 0.82 | 0.81 |
Old module tarp | 1.54 | 1.51 | 1.5 | 1.59 |
Hard green | 0.87 | 0.84 | 0.92 | 0.88 |
Black plastic | 1.91 | 1.94 | 1.91 | 2.57 |
JD module inner | 0.39 | 0.43 | 0.32 | 0.28 |
JD module middle | 0.33 | 0.34 | 0.38 | 0.34 |
JD module outer | 0.41 | 0.41 | 0.47 | 0.42 |
White shopping bag | 0.5 | 0.54 | 0.47 | 0.46 |
Color shopping bag | 0.78 | 0.82 | 0.74 | 0.76 |
White bale bag | 0.87 | 0.85 | 0.92 | 0.86 |
Color bale bag | 1 | 0.97 | 1.11 | 1.04 |