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(For further information on spectrsocopy, see:
http://speclab.cr.usgs.gov)
TITLE: GalvanizedSheetMetal GDS334 DESCRIPT
DOCUMENTATION_FORMAT: Man Made
SAMPLE_ID: GDS334
MATERIAL_TYPE: Sheet metal
MATERIAL: Galvanized sheet metal
FORMULA: Fe + Unknown
FORMULA_HTML: Fe + Unknown
COLLECTION_LOCALITY: Hardware 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:
Medium grained galvanized corrugated sheet metal. Sample is 0.4 mm thick with an average crystal size of about 1 mm. Spectrum is of a fresh unweathered surface.
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 was acquired to avoid glint from metal surface. Spectrum has a low reflectance of about 12% with a broad asymmetrical absorption centered at 1.0249 microns. Reflectance level increase toward longer wavelengths.
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1a2_3_4_ 1a # 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 10018 | 0.2-3.0µm | 200 | g.s.= |
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