Pulsar® Chemisorption- TPR, TPX, TPD |
||
| Features | ||
Sample stations: |
TWO (one analysis + one preparation) | |
Gas titration loop: |
Automatic; Interchangeable loop volumes: 50, 100 and 200µL | |
Gas inputs: |
FIVE automatic manifold (4-way automatic switching valves plus calibration / titration gas) | |
Sample cells: |
Quartz U-tube for high temperature chemisorption. Quartz or borosilicate conventional cell for physisorption (B.E.T. surface area) |
|
Cell-bypass valve: |
YES | |
Trap: |
YES (Between cell and detector - to remove unwanted gases / vapors) | |
Connections for mass spectrometer: |
YES (After sample at cell. After trap - before detector. After detector.) | |
Automatic operation : |
Pulse titration, TPR,TPO,TPD and TPSR (known collectively as TPX) as separate analyses or combined into a single sequence. | |
Features | Performance | Gases | Temperature Control | Physical | Electrical | Accessories |
||
| Temperature Control | ||
Preparation Temperature: |
Up to 450°C using quartz heating mantle Up to 1100°C using high-temperature furnace |
|
TPR/TPD heating rates: |
1-100 degree/min. (up to 500°C) 1-50 degree/min. (up to 750°C) 1-30 degree/min. (up to 1000°C) 1-20 degree/min. (up to 1100°C) |
|
Furnace Control: |
via PC software (as part of automatic analysis sequence) | |
Furnace Cooling: |
Forced air using built in fan (software controlled as part of automatic analysis sequence) | |
Sub-ambient: |
Optional accessory available; includes special jacketed cell, gas heat exchanger and dual thermocouple. | |
Features | Performance | Gases | Temperature Control | Physical | Electrical | Accessories |
||
| Performance | ||
Volume adsorbed: |
0.001 to >100 cm3 | |
Specific volume: |
0.0001 cm3/g | |
Total surface area: |
0.1 to 280 m2 | |
Specific surface area: |
0.01 m2/g to upper limit set only by weighing accuracy of smallest sample | |
Pore volume: |
0.0001 to 0.15 cm3 | |
Accuracy, volume: |
± 1% | |
Reproducibility: |
0.5% | |
Sensitivity: |
10 position (dynamic range: 512) plus user selectable detector current | |
Features | Performance | Gases | Temperature Control | Physical | Electrical | Accessories |
||
| Physical | ||
Cabinet size: |
45.2W x 62.5 H x 41.4D cm | |
Cabinet weight: |
24 kg | |
Operating temperature: |
15 - 35°C | |
Storage temperature: |
0 - 50°C | |
Humidity: |
20 - 90% (non-condensing) | |
Wetted Materials: |
316 Stainless Steel, PTFE, Viton, tungsten / rhenium, gold | |
Features | Performance | Gases | Temperature Control | Physical | Electrical | Accessories |
||
| Gases (not supplied) | ||
Chemisorption gases: |
typically H2, O2, CO, N2O, SO2, NH3 | |
Physisorption gases: |
typically N2, Ar, Kr, CO2 in helium | |
Physisorption cryogen: |
liquid nitrogen typical | |
Cold trap cryogen: |
liquid nitrogen/alcohol slush, dry-ice / acetone, liquid nitrogen, etc. | |
Features | Performance | Gases | Temperature Control | Physical | Electrical | Accessories |
||
| Electrical | ||
Voltage: |
100 - 240 VAC | |
Frequency: |
50/60 Hz | |
Features | Performance | Gases | Temperature Control | Physical | Electrical | Accessories |
||
| Accessories | ||
Included: |
Dewars, heating mantle, high temperature furnace, furnace controller and cables, sample cells and precision syringes. TPRWin: Windows® compatible instrument control, data acquisition and reduction software. |
|
Not Included: |
Gas regulators, PC with Windows, 2000 or XP or VISTA | |
Optional Items: |
Quadrupole Mass Spectrometer, Digital gas blender/mass flow controller, Sub-ambient TPX option. | |
Features | Performance | Gases | Temperature Control | Physical | Electrical | Accessories |
||
Return to PULSAR TPR/TPD | PULSAR BrochureTPR/TPD  PULSAR BrochureTPR/TPD (Spanish) | ||
 |
||
 |
||
 |
||
 |
||
