BET Surface Area & Porosity Analysis
| Parameter | Specification |
|---|---|
| Technique | BET Surface Area Analysis |
| Measurement Principle | Gas adsorption (typically N₂ at 77 K) |
| Specific Surface Area | m²/g |
| Pore Size Range | Micro-, meso-, and macro-porosity |
| Pore Size Analysis | BJH / DFT methods (optional) |
| Total Pore Volume | Yes |
| Adsorption–Desorption Isotherms | Yes |
| Sample Type | Powders, granules, porous solids |
| Sample Mass | Typically 50–500 mg (material-dependent) |
| Degassing | Vacuum / temperature-controlled degassing |
| Information Obtained | Surface area, pore size distribution, pore volume |
| Typical Use Cases | Catalysts, energy materials, porous ceramics, oxides |
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Description
Advanced BET analysis service for quantitative measurement of specific surface area, pore volume, and pore size distribution of materials. BET provides critical insight into how much of a material is actually accessible and active for adsorption, catalysis, energy storage, and surface-driven processes.
Key Applications
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Surface area and porosity evaluation
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Catalyst and adsorbent characterization
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Energy materials and porous oxide analysis
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Quality control for powders and granulates
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Performance correlation for surface-driven materials
Specifications
| Parameter | Specification |
|---|---|
| Technique | BET Surface Area Analysis |
| Measurement Principle | Gas adsorption (typically N₂ at 77 K) |
| Specific Surface Area | m²/g |
| Pore Size Range | Micro-, meso-, and macro-porosity |
| Pore Size Analysis | BJH / DFT methods (optional) |
| Total Pore Volume | Yes |
| Adsorption–Desorption Isotherms | Yes |
| Sample Type | Powders, granules, porous solids |
| Sample Mass | Typically 50–500 mg (material-dependent) |
| Degassing | Vacuum / temperature-controlled degassing |
| Information Obtained | Surface area, pore size distribution, pore volume |
| Typical Use Cases | Catalysts, energy materials, porous ceramics, oxides |
Sample Preparation Support
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Degassing temperature and time optimisation
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Moisture and contaminant removal guidance
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Handling protocols for sensitive and porous materials
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Pre-analysis suitability evaluation
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(Proper degassing is essential for reliable BET data.)
Deliverables
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Adsorption–desorption isotherm plots
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BET surface area values
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Pore size distribution and pore volume data
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Method details and analysis conditions
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Expert interpretation linked to material functionality
Who Should Use This Service
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Catalyst and adsorbent developers
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Energy storage and conversion researchers
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Porous ceramic and oxide material teams
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Industrial quality-control laboratories
Important Note
BET analysis quantifies accessible surface area and porosity under controlled conditions.
Results must be interpreted alongside morphology (FESEM/TEM) and surface chemistry (XPS) for complete material understanding.
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