SamplePET-TP-011
Plastic Type Polyethylene Terephthalate (PET)
Molecular Formula(C10H8O4)n
ColorTransparent
Common useCooking oil bottle
Degradation detailsExposure to indoor conditions. It was used only as a cooking oil bottle and then it was measured.
Time of degradation –
Sample descriptionOn the outer surface the bottle is clean, but there are traces of oil on the inside surface.
Below you can see two spectra of this sample; one spectra is taken from the outer surface and one from the inside.
Microscopic image(s)
Macroscopic image(s)
Spectral Data typeRaman
A few scratches can be seen in the microscopic imagesLaser wavelength: 785 nm
Laser Power: 300 mW (100% of the laser power)
Exposure time: 1 s
Objective magnification: 20X (NA 0.35)
Spectrum range: 720-1800 cm-1

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