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(For further information on spectroscopy, see:
http://speclab.cr.usgs.gov)
TITLE: Plastic_PETE GDS383 Clrbluis DESCRIPT
DOCUMENTATION_FORMAT: Man_Made
SAMPLE_ID: GDS383
MATERIAL_TYPE: Plastic
MATERIAL: Clear-Bluish PETE Plastic
FORMULA: CH4 compound
FORMULA_HTML: CH4 compound
COLLECTION_LOCALITY: Grocery Store
ORIGINAL_DONOR: Gregg Swayze
CURRENT_SAMPLE_LOCATION: U.S. Geological Survey, Denver Spectroscopy Lab
ULTIMATE_SAMPLE_LOCATION: U.S. Geological Survey, Denver Spectroscopy Lab
SAMPLE_DESCRIPTION:
Clear bluish plastic from a food container labeled PETE (1) 1258. Sample is 0.5 mm thick.
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EM(WDS), ICP(Trace), WChem
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
Complex spectrum with a strong absorption centered around 0.62 microns resulting in a reflectance peak at 0.48 microns (imparting the bluish color). The 1.7 micron C-H stretch absorptions and 2.3 micron C-H combination bands are strong in this sample. There is also a triplet absorption centered around 2.15 microns.
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1a2_3_4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns
| LIB_SPECTRA_HED: | where | Wave Range | Av_Rs_Pwr | Comment |
|---|---|---|---|---|
| LIB_SPECTRA: | splib05a r 10362 | 0.2-3.0µm | 200 | g.s.= |
| LIB_SPECTRA: | splib06a r 28958 | g.s.= |