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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: 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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