U.S. Geological Survey home page


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: Plastic CGA-54 Grnhouse Roof DESCRIPT

DOCUMENTATION_FORMAT: Man Made

SAMPLE_ID: GGA-54

MATERIAL_TYPE: Plastic

MATERIAL: Plastic

FORMULA: CH4 compound

FORMULA_HTML: CH4 compound

COLLECTION_LOCALITY: Canon City, Colorado, USA

ORIGINAL_DONOR: Gregg Swayze and Andrea Gallagher

CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory

ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory

SAMPLE_DESCRIPTION:

Small piece of a weathered translucent green fiberglass green house roof

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 has a steep absorption edge centered at 0.479 microns. The spectrum levels off past 0.7 microns and begins to slope downward toward longer wavelengths past 1.31 microns. Superimposed on this downward slope are about 14 absorptions with the strongest at 1.6805 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 10153 0.2-3.0µm 200 g.s.=


USA.gov logo  Take Pride in America button