|
|
|
|
Potassium Iodide (KI) |
| Potassium Iodide has few specific applications but has some uses in the very deep Infra Red. |
|
|
Product Data |
| Transmission Range : |
0.38 to 35 μm |
| Refractive Index : |
1.6201 at 10 μm (1) |
| Reflection Loss : |
10.6% at 10 μm (2 surfaces) |
| Absorption Coefficient : |
4.5 x 10-3 @ 20 μm (2) |
| Reststrahlen Peak : |
82 to 100 μm |
| dn/dT : |
-50 x 10-6 /°C |
| dn/dμ = 0 : |
2.1 μm |
| Density : |
3.12 g/cc |
| Melting Point : |
682°C |
| Thermal Conductivity : |
2.1 W m-1 K-1 at 298K |
| Thermal Expansion : |
43 x 10-6 /K at 298K |
| Hardness : |
Moh 5 |
| Specific Heat Capacity : |
313 J Kg-1 K-1 |
| Dielectric Constant : |
4.94 at 2 MHz |
| Youngs Modulus (E) : |
31.49 GPa |
| Shear Modulus (G) : |
6.2 GPa |
| Bulk Modulus (K) : |
12 GPa |
| Elastic Coefficients : |
C11=27.4; C12=4.3; C44=3.7 |
| Apparent Elastic Limit : |
n/a |
| Poisson Ratio : |
n/a |
| Solubility : |
127.5g/100g water at 273K |
| Molecular Weight : |
166.02 |
| Class/Structure : |
Cubic FCC, NaCl, Fm3m, (100) cleavage |
To download this data or our MSDS safety data sheet as a pdf, please click on the links at the top of the page. To expand the transmission graphs, please click on the image.
|
|
|
|
Refractive Index |
| µm |
No |
µm |
No |
µm |
No |
| 0.302 |
1.82769 |
0.405 |
1.71843 |
0.546 |
1.67310 |
| 0.768 |
1.6494 |
1.014 |
1.6396 |
2.360 |
1.6295 |
| 3.540 |
1.6275 |
4.130 |
1.6268 |
5.890 |
1.6252 |
| 7.660 |
1.6235 |
8.840 |
1.6218 |
10.02 |
1.6201 |
| 11.79 |
1.6172 |
12.97 |
1.615 |
14.14 |
1.6127 |
| 15.91 |
1.6085 |
18.10 |
1.603 |
19.00 |
1.5997 |
| 20.00 |
1.5964 |
21.00 |
1.593 |
22.00 |
1.5895 |
| 23.00 |
1.5858 |
24.00 |
1.5819 |
25.00 |
1.5775 |
| 26.00 |
1.5729 |
27.00 |
1.5681 |
28.00 |
1.5629 |
| 29.00 |
1.5571 |
|
|
Product Notes |
Potassium Iodide is produced in large ingots by the Kyropoulos growth method. Potassium Iodide cleaves easily. Potassium Iodide is only useful in controlled laboratory conditions as it is very soft and very water soluble.
REFERENCES:
(1) K.Korth, Z.Physik. Vol 84, p677-685 (1933)
(2) H.H.Li, Absorption Coefficients, Int.J.Therm, V1, No. I, 1980
|
|
|
Data provided is extracted from our technical handbook of materials. While every attempt has been made to verify the source of the information, Crystran Ltd accept no responsibility for accuracy of data |
|
Back to Materials
|
|
|
Membership
Crystran Ltd is proud to be ISO 9001 certified through LRQA and ISO
14001 certified through SGS. |
| |
|
