We use Cookies!
Our website uses cookies. We use cookies to offer you a better browsing experience, analyze site traffic, personalize content, and serve targeted advertisements.
Learn more about how we use cookies and how to manage them by clicking "Cookie-settings".
[Content Banner Solutions]
GERSTEL Thermal Desorption Systems
Thermal desorption is often the preferred technique for analyzing volatile and semi-volatile organic compounds (VOCs and SVOCs), as it avoids the use of toxic solvents and prevents analyte loss or degradation. This method is especially valuable when identifying both known and unknown substances to ensure product quality or monitor emissions. GERSTEL has been a global leader in this field for over 30 years, providing solvent-free, highly sensitive, and environmentally friendly thermal desorption instruments and systems.
Thermal Desorption Instruments
Thermal desorption instruments generally consist of four core elements:
- An autosampler,
- A thermal desorber
- A flow path,
- A focusing trap.
The heart of every GERSTEL thermal desorber has always been the Cooled Injection System (CIS), a PTV type GC inlet used to concentrate and transfer analytes efficiently and without discrimination or loss.
The CIS can be combined with any of the three different GERSTEL TD systems: Thermal Desorption Unit (TDU 2), Thermal Desorber 3.5+ (TD 3.5+), and Thermal Desorption System (TDS 3).
Sample introduction is performed by inserting an TD tube best suited for the sample type (gas, liquid or solid) or preliminary extraction technique (GERSTEL Twister® or Thin Film SPME). All GERSTEL TD systems can be operated with highly efficient autosamplers.
More information
Do you have specific requirements or questions? Our specialists are ready to provide expert advice and support.
[TDS Applications]
Applications
- The GERSTEL TDS 3 is a horizontally arranged thermal desorption system with a broad range of applications. It can be used not only for conventional thermal desorption, but also for direct thermal extraction of analytes from solids. The TDS 3 impresses due to its full temperature control and its compact design with no cold or active points along the sample path. Using an autosampler, you can load the TDS 3 automatically.
- The GERSTEL TD 3.5+ is a thermal desorption system with a broad range of applications; from conventional thermal desorption, direct thermal extraction, direct headspace to Solid Phase Micro Extraction SPME injection into the cold Cooled Injection System CIS. The TD 3.5+ can be combined with additional GERSTEL modules. The operation of the TD 3.5+ can be automated using the MultiPurposeSampler MPS.
- The GERSTEL Thermal Desorption Unit TDU 2 is a thermal desorption system with a broad range of applications, from conventional thermal desorption, direct thermal extraction, direct headspace to Solid Phase Micro Extraction SPME injection into the cold Cooled Injection System CIS.
The TDU 2 can be combined with additional GERSTEL modules. The operation of the TDU 2 can be automated using the MultiPurposeSampler MPS.
[TDS Benefits]
Benefits
- The full temperature control enables analytes to be heated gently and prevents unwanted reactions with atmospheric oxygen. The analytes are specifically separated from the sample matrix.
- The compact design prevents the loss or carryover of analytes and reduces the amount of maintenance required.
- Using thermal extraction, you can analyze substances that cannot be injected into the GC/MS system directly using a syringe.
- Thanks to the horizontal arrangement of the TDS 3, you do not require any additional tools in order to fix the sample inside the thermal desorption tube.
- Thanks to the MAESTRO software, controlling the system as a whole is simple and intuitive.