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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: Adenine SA-A8626 DESCRIPT

DOCUMENTATION_FORMAT: VOLATILE

SAMPLE_ID: Adenine SA-A8626

MATERIAL_TYPE: Benzene Derivative

MATERIAL: Adenine

FORMULA: C5H5N5

FORMULA_HTML: C5H5N5

COLLECTION_LOCALITY: Purchased from Sigma Aldrich chemistry

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 an off white fine grained powder
Other Names: adenine; 6-Aminopurine; Adenin; Adeninimine; 1H-Purin-6-amine; Vitamin B4; Leuco-4; 9H-Purin-6-amine; Pedatisectine B; 6-Amino-1H-purine; 6-Amino-3H-purine; 6-Amino-7H-purine; 6-Amino-9H-purine; Purine, 6-amino-; adenine-ring; 7H-Purin-6-amine; 1H-Purine, 6-amino
CAS #: 73-24-5
Sigma Aldrich Product #: A8626
Sigma Aldrich Lot #: 030M0166
Appearance (Color): Off-White
Appearance (Form): Powder
Solubility (Color): Very Faint Yellow
Solubility (Turbidity) 100 mg plus 5 mL 0.5M HCl: Clear
EmM: 13.1
Wavelength: 262 nm
Purity (HPLC):100 %

IMAGE_OF_SAMPLE: None

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

END_XRD_ANALYSIS.

COMPOSITIONAL_ANALYSIS_TYPE: Analysis done by Sigma Aldrich, The Certificate of Analysis can be found on the Sigma Aldrich Website using the Product and Lot Numbers.

COMPOSITION_TRACE: None

COMPOSITION_DISCUSSION:

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

END_SPECTROSCOPIC_DISCUSSION.

SPECTRAL_PURITY: 1a2a3a4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns