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USGS Spectral Library Version 7 Sample Description

Kokaly, R.F., Clark, R.N., Swayze, G.A., Livo, K.E., Hoefen, T.M., Pearson, N.C., Wise, R.A., Benzel, W.M., Lowers, H.A., Driscoll, R.L., and Klein, A.J., 2017, USGS Spectral Library Version 7: U.S. Geological Survey Data Series 1035, 61 p., https://doi.org/10.3133/ds1035
For more information on the library, see: local link web link

TITLE: Ethylene MTG ice block 80K DESCRIPT

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