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_HDPE GDS391 Blu-Grn DESCRIPT

DOCUMENTATION_FORMAT: Man Made

SAMPLE_ID: GDS391

MATERIAL_TYPE: Plastic

MATERIAL: HDPE Plastic

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:

Light blue-green thin ply HDPE plastic bag.

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EM(WDS), ICP(Trace), WChem

see:

END_XRD_ANALYSIS.

COMPOSITION_TRACE: None

COMPOSITION_DISCUSSION:

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

The spectrum has a reflectance peak at 0.504 microns with a strong absorption at 0.625 microns probably due to the pigment. Absorptions at 1.7 and 2.3 microns are C-H related.

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 10211	0.2-3.0µm	200	g.s.=

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