NaI
Sodium Iodide
|
Properties
|
| Cleavage Planes |
(100) |
| Decay Constant (µs) |
0.23 |
| Density (g.cm-3) |
3.70 |
| Gamma and X-ray absorption coefficients (cm-1) |
0.29 at 660keV |
| Gamma and X-ray absorption coefficients (cm-1) |
5.5 at 100keV |
| Light Escape Cone to Air (°) |
44.7 |
| Light Escape Cone to Glass (°) |
56.5 |
| Light Escape from one face to Air (%) |
8.4 |
| Light Escape from one face to Glass (%) |
22.4 |
| Melting Point (°C) |
651 |
| Optical Transmission Range |
250nm to 35µ |
| Peak Scintillation Wavelength (nm) |
300 |
| Radiation Length (cm) |
2.59 |
| Refractive Index at peak emission |
1.80 |
| Soluble in Alcohol |
Yes |
| Stability |
Very Hygroscopic |
| Structure |
BCC |
| Temperature Coefficient of Light Output (%.K-1) |
+0.08 |
| Thermal Conductivity (W.m-1.K-1 ) |
3.47 at 298K |
| Water Solubility (g/100g H2O) |
159 at 273K |
| Youngs Modulus (GPa) |
9.7 |
| |
Properties of NaI