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Clark et. al. 2003 USGS Open File Report 03-395
Spectral Library splib05a Sample Description

(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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