AutoTwister

Twister SBSE / AutoTwister

Fully automated SBSE / Twister® workflow for solvent free „green” extraction seamless automatio

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TDU with Twister

The Twister is the SBSE (Stir Bar Sorptive Extraction) solution from GERSTEL. It enables analytes from liquid or gaseous samples to be enriched solvent-free.


Due to the large phase volume, the Twister is very sensitive and is therefore especially suitable when performing trace analytics. You can simply use the Twister and reuse it many times. The back extraction of the analytes is also possible.


Functional principle of the Twister

The Twister consists of a magnetic stir bar coated in glass and an adsorbent layer. For enrichment purposes, the Twister is inserted into the liquid sample like a stir bar and agitated for a specified period of time. Once enrichment is complete, the Twister is removed from the sample and dried. The Twister is transferred into an empty thermal desorption tube and thermally desorbed in the Thermal Desorption Unit TDU 2. The Twister can then be conditioned in the TubeConditioner TC 2.


Benefits

Analytes from a liquid sample or from the headspace above the sample can be enriched quickly and solvent-free. Due to the large phase volume, the Twister offers a high degree of sensitivity. The Twister is highly durable and easy to handle. Once the analysis is complete, you can simply condition the Twister and reuse it many times. Using the MultiPurposeSampler MPS, you can automate the desorption and the subsequent analysis. Using the Twister, you can save time and resources.

AutoTwister

Achieve full automation of your Twister® workflow from sample to analysis report, eliminating manual steps and increasing efficiency.


Simplest possible process:

  1. Add your sample to a vial, seal it with a screw cap, and place it in the MultiPurpose Sampler MPS tray.
  2. The MPS inserts the designated AutoTwister rod into the sample.
  3. The vial is transferred to the quickMIX module for high-energy agitation and analyte extraction.
  4. Matrix residue is rinsed from the AutoTwister rod in the dedicated Wash & Dry station.
  5. The AutoTwister rod is quickly dried through high speed rotation in the drying station.
  6. The MPS transfers the AutoTwister Rod to the TDU 2 for thermal desorption and GC-MS analysis.
AutoTwister

Approved performance that meets analysis requirements for:

  • common beverages such as tea, beer, spirits, milk, and others
  • EU Water Framework Directive Standard Method DIN 27108

Test the AutoTwister performance with our Proof of Performance!


The results speak for themselves, AutoTwister has demonstrated:

  • Superior sensitivity
  • Excellent analyte recovery
  • Clean blanks after each run
  • Reduced background for improved Limits of Quantitation

Enhanced Features:

  • quickMIX 2 is available with cooling and heating for accurate temperature control during extraction
  • The GERSTEL Wash & Dry station improves overall efficiency and sustainability, eliminating potential analyte loss from purge gas drying and minimizing water usage.




Experience fully automated SBSE / Twister® workflows with the GERSTEL AutoTwister.


Contact GERSTEL today to learn more about upgrading your laboratory!

All information also for download

GERSTEL FlashTalk


In this video, we provide you with exciting insights into the AutoTwister


Be inspired and find out more!