Description
To the point
The GSA PT 1000 series is based on the proven Linseis microbalance design.
This extremely sensitive microbalance is available in two versions, with a maximum initial weight of 2 / 15 / 100 g and a resolution of 0.1/1 ug.
The maximum temperature range is from -150 to 1800°C, with a maximum pressure range from UHV (ultra-high vacuum) to 150 bar.
An optional TG-DSC (Thermogravimetry – Differential Scanning Calorimetry) sensor enables the simultaneous determination of weight change and caloric reaction in a single measurement.
Optional gas and vapor dosing systems are available as well as the possibility of coupling to residual gas analysis.
Unique features
Wide temperature and pressure range:
measurements from -150°C to 1800°C
and pressure range from ultra-high
vacuum to 150 bar
Highly sensitive microbalance:
Available with maximum initial weight
of 5/25 g and resolution of 0.1/1 µg.
Simultaneous TG-DSC analysis:
Optional sensor for Simultaneous
determination of weight change
and caloric reaction.
Flexible gas and vapor dosing:
Support for a wide range of gases and vapors.
Wide range of applications:
Sorption processes, chemical
reactions, in-situ gas analysis
and more.
Service hotline
+1 (609) 223 2070
+49 (0) 9287/880 0
Our service is available Monday to
Thursday from 8 am to 4 pm
and Friday from 8 am to 12 pm.
We are here for you!
Specifications
Black on white
MODEL | GSA PT 1000 * |
---|---|
Temperature range: | RT up to 1100°C and max. 150 bar RT up to 1400/1800°C and max. 50 bar |
Vacuum: | 10E-4 mbar |
TGA | |
Max. Sample weight: | 2/15/100g |
Resolution: | 0.1/0.5/10 µg |
DSC | |
DSC resolution: | 0.3/0.4/1 µW |
DSC sensor: | E, K, S, C |
DTA | |
DTA sensitivity: | undefined |
Options: | Gas mixing plant |
Atmosphere: | inert, oxidised **, red, vac. |
*Specifications depend on the configurations ** Not possible with graphite heater |
Software
Making values visible and comparable
The powerful LINSEIS thermal analysis software, which is based on Microsoft® Windows®, performs the most important function in the preparation, execution and evaluation of thermoanalytical experiments, in addition to the hardware used.
With this software package, Linseis offers a comprehensive solution for programming all device-specific settings and control functions, as well as for data storage and evaluation.
The package was developed by our in-house software specialists and application experts and has been tried and tested over many years.
TG properties
- Percentage (%) and absolute (mg/ug) change in mass
- Evaluation of the mass loss
- Residual mass determination
- 1st and
2nd derivative (peak temperature of the mass change)
HT-DSC properties
- Complete glass dot determination
- Specific heat Cp determination
- Multible measuring/melting points for temperature calibration
- Peak flat / enthalpy determination (various baseline types)
- Enthalpy determination taking into account the change in mass
- Determination of onset, peak, inflection point and final temperature
General functions
- Real-time color display
- Automatic and manual scaling
- Display of the axes freely selectable (e.g. temperature
e.g. temperature (x-axis) against delta L (y-axis)) - Mathematical calculations (e.g. first and second derivatives)
- Saving complete evaluations
- Multitasking function
- Multi-user function
- Zoom function for curve sections
- Any number of curves can be loaded on top of each other for comparison
- Online Help Menu
- Free labeling
- EXCEL® and ASCII export of measurement data
- Data smoothing
- Zero curves are offset
- Cursor function
- Statistical curve evaluation (mean value curve with confidence interval)
- Tabular printout of the data and expansion coefficients
- Calculation of Alpha Phys, Alpha Tech, relative expansion L/L0
- Curve arithmetic, addition, subtraction, multiplication
Applications
Application example: TPD, TPO and TPR measurements
The following figure shows the chemical desorption of ammonia from the surface of a zeolite catalyst.
Weakly bound ammonia molecules desorb between 100°C and 250°C, more strongly bound ones only between 260°C and 500°C.
The amount of ammonia desorbed can be measured quantitatively and thus allows a statement to be made about the acid centers in the sample.
Application example: In-situ FTIR
The following figure shows an in-situ FTIR measurement during theCO2 gasification of an anthracite in a TGA system (sample temperature: 1100°C, pureCO2 atmosphere.
The gas flow rate is 20 ml/min at 273K at 0.013bar during the FTIR measurement.
Measurement duration: 30s.
CO absorption at 4300cm-1,CO2 absorption at 4900cm-1.
Well informed