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NaCl
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Sodium Chloride
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Description
Sodium Chloride, common rock salt, is one of the most useful materials for general purpose spectroscopic windows and applications where sensitivity to moisture is unimportant.
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Properties
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| Absorption Coefficient (cm-1) |
1.64 x 10-4 at 2.7µ |
| Apparent Elastic Limit (MPa) |
2.4 (350 psi) |
| Bulk Modulus (K) (GPa) |
24.42 |
| Cleavage Planes |
(100) |
| Density (g·cm-3) |
2.16 |
| Dielectric Constant |
5.9 at 1MHz |
| Elastic Coefficient C11 |
48.5 |
| Elastic Coefficient C12 |
12.3 |
| Elastic Coefficient C44 |
12.61 |
| Hardness (knoop) (100) direction |
18.2 |
| Melting Point (°C) |
801 |
| Molecular Weight |
58.45 |
| Poisson Ratio |
0.252 |
| Reflection Loss (%) |
7.5 at 10.6µ (2 surfaces) |
| Refractive Index |
1.50 at 10µ |
| Restrahlen Peak (µ) |
50.1 |
| Shear Modulus (G) (GPa) |
12.61 |
| Solubility (g/100g H2O) |
35.7 at 273K |
| Specific Heat Capacity (J·kg.m-1·K-1) |
854 |
| Structure |
FCC |
| Thermal Conductivity (W·m-1·K-1) |
1.15 at 273K |
| Thermal Expansion (K-1) |
44 X 10-6 |
| Transmission Range (µ) |
0.2 to 15 |
| Youngs Modulus (E) (GPa) |
39.98 |
