Korth Kristalle GmbH

Refractive Index

 
 

Potassium Iodide (

KI

)

Properties (KI)    
Transmission Range (50% of total transmission)   0,25 - 40 µm (thickness 4,3/0,83mm)  
Refractive Index   1,66067 @633nm  
Reflective Loss   5,61% @10 µm  
Reststrahlen   82 - 100 µm 
Density   3.13 g/cm3  
Melting Point   682°C  
Molecular Weight   166.02  
Thermal Conductivity   2.1 W/(m·K) (300K) 
Heat Capacity   313,8 J/(kg·K)  
Thermal Expansion   41 · 10-6 @273K  
Hardness (Mohs)  
Young`s Modulus   31.39 GPa 
Shear Modulus   6.20 GPa  
Bulk Modulus   11,9GPa 
Rupture Modulus    
Elastic Coefficient   C11 = 27.4; C12 = 4.3; C44 = 3.7 GPa 
Dielectric Constant   4.94 @ f = 2 MHz  
Solubility in Water   148g /100g @25°C  
Crystal Structure    Single crystal, synthetic  
Crystal Type  Cubic, NaCl type structure, a0= 7.06 Å  
Cleavage Planes   (100) 
Poisson Ratio   0.3 
Application   IR spectroscopy 
Remarks   slightly hygroscopic, soluble in ethanol 

Transmission spectrum

KI 2MM HOMEPAGE ENGL.JPG

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