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(For further information on spectrsocopy, see:
http://speclab.cr.usgs.gov)
TITLE: Polystyrene GDS345 BluInsul DESCRIPT
DOCUMENTATION_FORMAT: Man Made
SAMPLE_ID: GDS345
MATERIAL_TYPE: Insulation
MATERIAL: Polystyrene Insulation
FORMULA: Unknown
FORMULA_HTML: Unknown
COLLECTION_LOCALITY: Denver, Colorado
ORIGINAL_DONOR: Gregg Swayze
CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Lab
ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Lab
SAMPLE_DESCRIPTION:
Light blue polystyrene insulation 2.5 centimeters thick and of the type typically used in house construction in the USA. High density.
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:
The spectrum has a reflectance peak at 0.476 microns and complex absorption doublet at 0.713 microns probably due to the light blue pigment. The absorptions at 1.7 and 2.3 microns are probably C-H related. Other absorptions occur at 1.14, 1.21,and 2.17 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 10518 | 0.2-3.0µm | 200 | g.s.= |
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