| Selected
Refractive Indeces |
|
| Name |
n
at 20oC |
-dn/dt |
Dispersion |
| Water |
1.333 |
Slight |
…. |
| Acetone |
1.357 |
…. |
Slight |
| Ethyl
Alcohol |
1.362 |
0.0004 |
Slight |
| Ethyl
Butyrate |
1.381 |
…. |
Slight |
| Methyl
Butyrate |
1.386 |
…. |
Slight |
| Ethyl
Valerate |
1.393 |
…. |
Slight |
| Amyl
Alcohol |
1.409 |
0.00042 |
Slight |
| Kerosene |
1.448 |
0.00035 |
Slight |
| Petroleum
Oil |
1.470
to 1.477 |
0.0004 |
Slight |
| Monochlor-naphthalene |
1.626 |
…. |
Moderate |
| Monobrom--naphthalene |
1.658 |
0.00048 |
Moderate |
| Methylene
Iodide |
1.737
to 1.741 |
0.0007 |
Strong |
|
| Medium |
Index |
Medium |
Index |
| Vacuum |
exactly 1 |
Typical Crown Glass |
1.52 |
| Air (STP) * |
1.00029 |
Sodium Chloride (salt) |
1.54 |
| Water (20o) |
1.33 |
Polystyrene |
1.55 |
| Acetone |
1.36 |
Carbon Disulfide |
1.63 |
| Ethyl Alcohol |
1.36 |
Heavy Flint Glass |
1.65 |
| Sugar Solution (30%) |
1.38 |
Sapphire |
1.77 |
| Fused Quartz |
1.46 |
Heaviest Flint Glass |
1.89 |
| Sugar Solution (80%) |
1.49 |
Diamond |
2.42 |
|