Characterizing Today's Materials — Discovering Tomorrow's™

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 PDF File
PULSAR BrochureTPR/TPD (Spanish) PDF File