DOCUMENTATION_FORMAT: Man_Made
SAMPLE_ID: GDS405
MATERIAL_TYPE: Plastic
MATERIAL: LDPF Translucent plastic
FORMULA: Unknown
FORMULA_HTML: Unknown
COLLECTION_LOCALITY: Grocery store, Denver, Colorado, USA
ORIGINAL_DONOR: Gregg Swayze
CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Lab
ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Lab
SAMPLE_DESCRIPTION:
Black LDPE plastic film container lid.
END_SAMPLE_DESCRIPTION. XRD_ANALYSIS:
see:
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EPMA, ICP(Trace), WChem
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
Spectrum slopes downward toward longer wavelengths with a broad muted absorption around 0.6 microns. C-H absorptions are present at 1.7 and 2.3 microns with overall reflectance levels between 0.09 to 1.7%.
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1a2_3_4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns