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(For further information on spectrsocopy, see:
http://speclab.cr.usgs.gov)
TITLE: Plastic_Pipe GDS342 Black DESCRIPT
DOCUMENTATION_FORMAT: Man Made
SAMPLE_ID: GDS342
MATERIAL_TYPE: Pipe
MATERIAL: Drain Pipe
FORMULA: CH4 compound
FORMULA_HTML: CH4 compound
COLLECTION_LOCALITY: Denver, Colorado
ORIGINAL_DONOR: Gregg Swayze
CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Lab
ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Lab
SAMPLE_DESCRIPTION:
Black corrugated drainage pipe with walls 2 mm thick and about 12 cm in diameter.
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:
Spectrum slopes down toward longer wavelengths with a sharp upturn toward shorter wavelengths from 0.5 to 0.35 microns and beyond. Black pigment mutes almost all other spectral features except for a 2.31 micron absorption which is likely due to C-H.
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 10401 | 0.2-3.0µm | 200 | g.s.= |
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