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| Brand | Micromeritics |
|---|---|
| Origin | USA |
| Manufacturer | Micromeritics Instrument Corporation |
| Model | ASAP 2050 |
| Measurement Principle | Volumetric (Manometric) High-Pressure Adsorption |
| Temperature Range | 20–120 °C (operational analysis range) |
| Pressure Range | 10⁻⁶ Torr to 10 atm (1.013 MPa) |
| Ultimate Vacuum | <1×10⁻⁶ Torr |
| Sample Tube Material | Stainless Steel (straight-walled, rated to 150 psi) |
| Degassing Control | Independent dual-station programmable heating (temperature ramp rate & hold time user-defined) |
| Optional Cooling | Liquid nitrogen or argon cryogenic Dewar |
| Brand | Micromeritics |
|---|---|
| Origin | USA |
| Model | HPVA-II |
| Measurement Principle | Static Volumetric Method (High-Pressure Capacity Technique) |
| Temperature Range | 30 K to 500 °C |
| Pressure Range | Ultra-High Vacuum (≤1×10⁻⁹ Torr) to 200 bar |
| Vacuum Level | <1×10⁻⁹ Torr |
| Compatible Gases | H₂, CH₄, CO₂, N₂, Ar, and other non-corrosive gases |
| Sample Requirement | As low as 5–50 mg |
| Sample Types | MOFs, Zeolites, Activated Carbons, Porous Polymers, Metal Hydrides, Catalyst Supports |
| Thermal Control Options | Liquid Cryogen Dewar (4 L stainless steel), External Circulating Bath, Resistive Heating Furnace, Closed-Cycle Cryocooler Integration |
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