Geoscience Reference
In-Depth Information
Large rod shaped crystal at
−
4.2
◦
C.
Photo 4.
of ice crystals are dependent on temperature, and they are independent of
seeding materials.
4.3
. Identification of coating of Ammonium Sulfate
dust with DMSO by NMR
In order to confirm that the dust particles of Ammonium Sulfate are really
coated with DMSO, the coated crystals were subjected to
1
H-NMR study
in D
2
O solvent. In the NMR spectrum (Fig. 3), we observe a sharp peak at
Fig. 3.
NMR spectrum of DMSO-coated Ammonium Sulfate crystals.
