Deuterium oxide (D2O) is a 100% isotopically enriched NMR (Nuclear Magnetic Resonance) solvent. It is widely employed in high resolution NMR studies. Various thermodynamic properties (such as intermolecular vibrational frequencies, energy of the hydrogen bond, free energy, enthalpy and entropy) of liquid deuterium oxide have been evaluated. Ionization constant for D2O (in the range of 5-50°C), pK values (at 25°C) and enthalpy, entropy, heat capacity change (for the dissociation of D2O) have been reported.
Deuterium oxide is used in nuclear magnetic resonance spectroscopy (NMR). It is also useful in the identification of labile hydrogens. As a source of deuterium, it is utilized for preparing specifically labeled isotopologs of organic compounds. It is often used as a substitute for water in the analysis of proteins in solution by using fourier transform infrared spectroscopy (FTIR). It finds application in certain types of nuclear reactors and in tritium production.
Sinezimboni eziningi zekhwalithi ephezulu ngokubambisana okujulile, ezingakunikeza ngemikhiqizo yekhwalithi ephezulu namanani ancintisanayo. Futhi singanikeza izaphulelo zokuthenga ngobuningi.Futhi sibambisana nezinkampani eziningi ezichwepheshile zokudlulisa impahla, zingaletha imikhiqizo ngokuphepha nangokushelela ezandleni zakho. Isikhathi sokulethwa cishe yizinsuku ezi-3-20 ngemuva kokuqinisekiswa kwenkokhelo.
Product Name: | DEUTERIUM OXIDE |
Synonyms: | WATER-D2;WATER, HEAVY;DEUTERIUM OXIDE, "100" (MIN. 99.96 ATOM% D);Deuterium oxide "100%" >99.98 Atom % D;Deuterium oxide >99.92 Atom % D;Heavy water, Water-d2;Deuterium oxide Ultra-D;Deuterium oxide, Heavy water, Water-d2 |
CAS: | 7789-20-0 |
MF: | D2O |
MW: | 20.03 |
EINECS: | 232-148-9 |
Product Categories: | Deuterium oxide; |
Mol File: | 7789-20-0.mol |
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DEUTERIUM OXIDE Chemical Properties |
Iphoyinti lokuncibilika | 3.8 °C(lit.) |
Iphuzu elibilayo | 101.4 °C |
ukuminyana | 1.107 g/mL at 25 °C |
umfutho womhwamuko | 27.464hPa at 25℃ |
inkomba ye-refractive | n20/D 1.328(lit.) |
Fp | 101.4°C |
izinga lokushisa lokugcina. | Store below +30°C. |
ifomu | Uketshezi |
pka | pK (25°) 14.955 (molarity scale); 16.653 (mole fraction scale): A. K. Covington et al., J. Phys. Chem. 70, 3820 (1966) |
umbala | Colorless |
PH | 7 (H2O, 20℃) |
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