Chromatography on Water−Ice
✍ Scribed by Dasgupta, Purnendu K.; Mo, Youwen
- Book ID
- 127101673
- Publisher
- American Chemical Society
- Year
- 1997
- Tongue
- English
- Weight
- 107 KB
- Volume
- 69
- Category
- Article
- ISSN
- 0003-2700
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and special conditions in the surface microstructure may affect the spectroscopic signature of water ice in such a way that crystalline ice is present and its 1.65 µm spectral band is masked. Our spectra (1.87-2.5 µm) taken at an interval of nearly 3.5 years do not show any significant changes that
A near-infrared spectrum of Neptune's satellite Nereid was obtained at the Keck Observatory on 1997 May 1. The spectrum shows two absorptions near 1.54 and 2.03 µm and is well matched by a synthetic spectrum of an intimate mix of low-temperature, particulate water ice and dark, bluecolored material.