DOCUMENTATION_FORMAT: VOLATILE
SAMPLE_ID: Ethylene MTG
MATERIAL_TYPE: Alkene
MATERIAL: Ethylene
FORMULA: C2H4
FORMULA_HTML: C2H4
COLLECTION_LOCALITY: Purchased from Matheson Tri-Gas
COLLECTION_LATITUDE: Not Available # degrees and decimal minutes (N or S)
COLLECTION_LONGITUDE: Not Available # degrees and decimal minutes (W or E)
DATUM: Not Available # coordinate datum
ORIGINAL_DONOR:
CURRENT_SAMPLE_LOCATION: USGS Spectroscopy Lab, Denver, CO
ULTIMATE_SAMPLE_LOCATION: USGS Spectroscpy Lab, Denver, CO
SAMPLE_DESCRIPTION:
Sample is a gas at room temperature
Other Names: Ethene; ETHYLENE; Elayl; Olefiant gas; POLYETHYLENE; Acetene; Etileno; Liquid ethylene; Bicarburretted hydrogen; Athylen
CAS #: 74-85-1
Matheson Gas Cylinder #: RR015695
Matheson Gas Lot #:1025104505A7
Analysis Performed by Matheson Tri-Gas
Ethylene: 99.999%
Acetylene: 0.8 ppm
Carbon Dioxide: Not Dectected, less than 0.2 ppm
Carbon Monoxide: Not Dectected, less than 0.5 ppm
Ethane: 2.2 ppm
Hydrogen: 0.9 ppm
Methane: 0.6 ppm
Nitrogen: 0.3 ppm
Oxygen: Not Dectected, less than 0.2 ppm
Propane: 0.9 ppm
Water: 1 ppm
IMAGE_OF_SAMPLE: Not Available
The low temperature sample froze into a translucent ice block.
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: Analysis done by Matheson Tri-Gas.
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
The low temperature sample froze into a translucent ice block. The spectrum is of the block, not ground up, so the effective grain size is large.
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1a2a3_4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns