Potassium nitrate (K₃NO₃) is an inorganic ceramic compound belonging to the nitrate salt family, characterized by ionic bonding and crystalline structure. While potassium nitrate itself has limited use as a primary structural ceramic, it finds application in specialized domains including pyrotechnics, fertilizer production, and heat transfer media in thermal energy storage systems. Engineers select potassium nitrate-based materials primarily for their thermal stability, solubility properties, and role as a molten salt in concentrated solar power (CSP) systems where conventional materials are inadequate.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 26.36 | GPa | — | ||
Poisson's Ratio(ν) | 0.2900 | - | — | ||
Shear Modulus(G) | 13.07 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.263 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.2660 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 10.46 range 7.053–13.87median of 2 measurements | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00640 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.139 | eV/atom | — |