Clark and others 2007 USGS Data Series 231
Spectral Library splib06a Sample Description

(For further information on spectroscopy, see: http://speclab.cr.usgs.gov)

TITLE: Plastic_Pipe GDS342 Black DESCRIPT

DOCUMENTATION_FORMAT: Man_Made

SAMPLE_ID: GDS342

MATERIAL_TYPE: Plastic

MATERIAL: Drain Pipe

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:

Black corrugated drainage pipe with walls 2 mm thick and about 12 cm in diameter.

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 slopes down toward longer wavelengths with a sharp upturn toward shorter wavelengths from 0.5 to 0.35 microns and beyond. Black pigment mutes almost all other spectral features except for a 2.31 micron absorption which is likely due to C-H.

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 10401	0.2-3.0µm	200	g.s.=
LIB_SPECTRA:	splib06a r 28997			g.s.=