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Markes Centri 360 Sample Enrichment Platform

Markes Centri 360 is a highly flexible, modular platform for complete sample characterization, with complementary analyses on a single platform.

Markes Centri 360 is a highly versatile sample extraction and enrichment platform for GC/MS analysis of VOCs and SVOCs.

Compatible with solid, liquid and gas samples, Centri 360 offers complete automation of several sampling modes for comprehensive sample characterization. Centri 360 is designed for researchers needing comprehensive sample profiling, and who use multiple sample preparation techniques.

Powered by best-in-class robotic automation, Markes Centri 360 gives unrivaled flexibility for unattended, rapid and efficient extraction and enrichment of VOCs and SVOCs.

With its multiple sampling modes and modular design, Centri offers maximum versatility for liquid, solid and gaseous samples.

Innovation lies at the heart of Centri. Incorporating Markes’ advanced cryogen-free focusing trap technology, Centri optimizes analytical sensitivity, and enhances the quality of information obtained from GC–MS.

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Features

Flexible sample extraction from a variety of sample matrices using a range of dedicated sampling tools:
- HiSorb™ high-capacity sorptive extraction.
- SPME Arrow and SPME Arrow–trap.
- SPME and SPME–trap.
- Headspace (HS) and HS–trap.
- Thermal desorption.
Electrically cooled, cryogen-free focusing trap enables analysis of compounds over a wide volatility range, including reactive and labile species:
- Simultaneous analysis of VVOCs, VOCs, and SVOCs.
- Quantitative recovery of labile compounds.
- Quantitative recovery of high-boiling compounds up to n-C44.
Sample stacking and enrichment: Combine multiple tube samples and/or vial extractions onto the focusing trap prior to injection to theGC.
Automated tool change option enables optimum unattended sequencing of several modes within the following two categories:
- HS, HS–trap, SPME, SPME–trap, SPME Arrow,SPME Arrow–trap and tube desorption can be sequenced without user intervention.
- HiSorb sorptive extraction and tube desorption can also be sequenced without user intervention.
Inert, uniformly heated flow-path ensures complete recovery of analytes throughout the analytical system.
Direct sampling from vial with HS, HS–trap, and SPME Arrow, SPME Arrow–trap using Centri methods only.
Sealing of tubes with DiffLok™ caps prevents entry of contaminants into, and loss of volatiles from, the tubes before, during and after analysis.
Supports PAL3 standard and custom scripts, allowing flexible sequencing with Centri methods, including liquid handling for addition of internal standard and derivatizing agent. Liquid injection and PAL3 scripts, such as HS, SPME, and SPME Arrow, can now be performed directly to the GC inlet (160 cm rail only).
Splitless, single-, and double-splitting options ensure compatibility with samples over a wide concentration range (ppt to percent).
Automated quantitative re-collection (with TD50 module) of trap desorption split flow, to allow repeat analysis from any injection/extraction mode.
Trap heating rates up to 100°C/s and backflush desorption combine to facilitate splitless operation at flows ≥2 mL/min, thus maximizing sensitivity.
Pre-purge of air to vent and selective elimination of water and solvents minimize analytical interference.

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