Cooled Injector system (CIS)

CIS

GERSTEL Cooled Injection System – internationally the most frequently used PTV-type universal inlet, with patented septumless sampling head.

The GERSTEL CIS provides two essential – and separate – system functions:

Universal injector:

All injection techniques are supported: split, splitless, on-column and large-volume up to 1000µl.

In any mode, you will see no skewed peaks, peak shape is close to ideal when using the GERSTEL CIS injector. Besides split or splitless the CIS can be used to concentrate analytes through Large Volume Injection (LVI) with solvent venting. This provides substantially lower limits of detection. With the on-column option the injector can also perform on-column (OC) injection.

PTV and OC injections are typically performed using GERSTEL-exclusive cryogen-free Universal Peltier Cooling (UPC) or cryostatic cooling (CCD).

Cryotrap enrichment or high temperature:

In this mode, the injector may be used together with the TDU/TDS systems. Depending on the required starting temperature, cryogenic cooling may also be used, from -150°C to +10°C.

At the other end of the temperature scale, the CIS 4 operates up to 450 °C for determination of SVOC, PAHs and some waxes. The high temperature version (CIS 6) operates up to 650 °C, enabling pyrolysis of polymers in suspension following initial evaporation of the solvent.

Whichever version the analyst is using, all CIS inlets are based on carefully liner design that provide uniform temperature profiles throughout the entire – 150 °C to 650 °C temperature range for controlled evaporation and best possible results.

The CIS is controlled from the GERSTEL MAESTRO Software – stand alone or completely integrated with the Agilent Technologies ChemStation/MassHunter software.

Maestro software

The CIS is controlled from the GERSTEL MAESTRO Software – stand alone or completely integrated with the Agilent Technologies ChemStation/MassHunter software.

CIS benefits:

Multiple cooling options offer optimal adaption to the individual needs.
Improved quantitation due to controlled evaporation and discrimination free analyte transfer.
Improved limits of detection, improved identification and improved quantitation through sharper peaks.
Lower background signal, no septum bleed, improved detection limits thanks to patented Septum-Less Head (SLH).
Best possible transfer and recovery of thermally labile analytes due to patented heating system and freely programmable heating rates.
Reliable analysis of samples with high matrix load using Automated Liner EXchange (GERSTEL ALEX).

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Cooled Injector system (CIS)

CIS

Universal injector:

Cryotrap enrichment or high temperature:

Maestro software

CIS benefits:

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