Constituent water ice | SSHADE

Experiment VIS-NIR reflectance spectra collected during low-temperature and near-vacuum sublimation of spherical salty ice particles (67 µm average diameter) produced by freezing droplets of solutions of MgCl2 with three different concentrations

Sub-Experiment Pure H2O ice particles (SPIPA-B)

Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=0.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=0.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=1.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=1.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=2.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=2.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=3.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=3.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=4.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=4.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=5.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=5.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=5.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=6.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=6.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=7.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=7.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=8.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=8.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=9.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=11.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=11.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=12.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=13.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=14.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=15.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=16.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=17.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=18.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=19.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=20.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=21.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=22.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=23.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=24.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=25.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=26.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=27.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=28.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=29.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=31.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=32.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=34.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=35.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=36.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=38.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=39.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=41.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=42.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=44.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=45.6 hours)

Sub-Experiment Salty H2O ice particles (12.5 wt.% MgCl2)

Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=0.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=0.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=1.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=1.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=2.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=2.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=3.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=3.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=4.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=4.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=5.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=5.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=5.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=6.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=6.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=7.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=7.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=8.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=8.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=9.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=11.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=11.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=12.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=13.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=14.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=15.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=16.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=17.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=18.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=19.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=20.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=21.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=22.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=23.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=24.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=25.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=26.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=27.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=28.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=29.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=31.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=32.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=34.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=35.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=36.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=38.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=39.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=41.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=42.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=44.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% MgCl2) (t=45.6 hours)

Sub-Experiment Salty H2O ice particles (25 wt.% MgCl2)

Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=0.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=0.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=1.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=1.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=2.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=2.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=3.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=3.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=4.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=4.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=5.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=5.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=5.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=6.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=6.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=7.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=7.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=8.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=8.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=9.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=11.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=11.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=12.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=13.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=14.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=15.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=16.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=17.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=18.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=19.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=20.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=21.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=22.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=23.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=24.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=25.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=26.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=27.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=28.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=29.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=31.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=32.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=34.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=35.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=36.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=38.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=39.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=41.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=42.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=44.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 25 wt.% MgCl2) (t=45.6 hours)

Sub-Experiment Salty H2O ice particles (33 wt.% MgCl2)

Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=0.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=0.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=1.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=1.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=2.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=2.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=3.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=3.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=4.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=4.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=5.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=5.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=5.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=6.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=6.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=7.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=7.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=8.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=8.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=9.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=11.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=11.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=12.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=13.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=14.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=15.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=16.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=17.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=18.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=19.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=20.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=21.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=22.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=23.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=24.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=25.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=26.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=27.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=28.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=29.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=31.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=32.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=34.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=35.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=36.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=38.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=39.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=41.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=42.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=44.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 33 wt.% MgCl2) (t=45.6 hours)

Constituent

Name: water ice
Official name: Water ice Ih

Family: molecular solid
Class: hydrogen bonded molecular solid
Compound type: inorganic molecular solid

Constituent abundance in material

Relevance: main - major
Arrangement: matrix
Mass fraction: 67.0 $\pm$ 0.1

Chemical composition

Formula: $H_2O$
Chemical formula: H2O
Elemental formula: H2 O
Isotope mixture type: terrestrial abundance

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$H_2O$	Water	molecule	1	1.0	1.0	pure	main

Chemical functions and bonds

Chemical functions

	Function	Number	Relevance
	$R-OH$	2	main

Chemical bonds

	Bond	Number	Relevance
	$-O \dots H-$	4
	$-O-H$	2	main

Oxides composition

Oxides

Formula	$H_{2}O$
Mass fraction (%)	1.0

Class: molecular solids with hydrogen bonded molecules (03)
Type: homomolecular H-bonded solids (03.01)

Phase name: H2O Ih
Phase type: crystalline

Crystallography

Crystal system: hexagonal
Crystal class: dihexagonal-dipyramidal
Crystal class symbol: 6/mmm (D6h)
Crystal spacegroup: P6(3)/mmc

Physical properties

Molar mass: 18.0153 $g/mol$
Density: 0.917 (273 K) - 0.928 (90 K) $g/cm^3$

Optical properties

Refringence type: uniaxial
Refringence sign: unknown
Birefringence: 0.01
Refraction index $n_{\alpha}$: 1.31
Refraction index $n_{\beta}$: 1.33
Color: light blue (when thick)
Diaphaneity: transparent
Luster: vitreous