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BET Surface Area Estimator
BET Equation Information
The BET (Brunauer-Emmett-Teller) equation is used to calculate the specific surface area of porous materials:
Where:
- P: Equilibrium pressure
- P₀: Saturation pressure
- V: Volume of gas adsorbed
- Vₘ: Monolayer volume
- C: BET constant
The surface area is then calculated using:
Where:
- S: Specific surface area
- Nₐ: Avogadro's number
- σ: Cross-sectional area of adsorbate molecule
- V: Molar volume of gas
Saved BET Results
| Material | Surface Area | Date |
|---|---|---|
| No saved results | ||
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Material Parameters
Custom Material Properties
Add custom materials with their specific properties for BET calculations.
| Material | Cross-Sectional Area (nm²) | Action |
|---|---|---|
| No custom materials added | ||
Gas Parameters
Add custom gases with their specific properties for BET calculations.
| Gas | Cross-Sectional Area (nm²) | Action |
|---|---|---|
| No custom gases added | ||
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