Hisorb
lnnovative high-capacity sorptive extraction for liquid & solid samples.
HiSorb is an innovative, labour-saving sampling system for the analysis of volatile and semi-volatile organic compounds (VOCs and SVOCs) in liquids and solids by TD–GC–MS.
Extending the capability of thermal desorption (TD), HiSorb probes and accessories are ideal for trace-level component characterization, aroma profiling, quality control and advanced research across a wide range of applications.
Compatible with most TD instruments, HiSorb is a perfect solution to extend the applicability of existing TD systems to a wider range of samples.
It’s high-capacity PDMS phase increases sensitivity in addition to tolerance to high concentration samples, compared with SPME.
Compared to solvent extraction, HiSorb allows lowering reagent costs, reducing the time spent on manual sample preparation, and benefits from the pre-concentration capabilities of TD.
Why use HiSorb?
Time and cost savings
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Robust, easy to use probes for unattended sample preparation and maximum productivity. -
Easier and quicker than solvent extraction. -
Reduced solvent consumption and disposal costs. -
Minimized cost-per-sample resulting from re-usable probes and tubes.
Increased sensitivity
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thanks to the larger sample capacity compared with SPME, -
for the lack of solvent and its contaminants, compared to LLE, -
benefitting from subsequent cryogen-free pre-concentration prior to automated GC/MS analysis.
Versatility
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compatible with immersive or headspace sampling of liquids and solid samples. -
TD-GC/MS analysis using industry-standard tubes for compatibility with all leading commercial systems.
Confident results
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Thanks to sample re-collection, standard on every Markes TD system, enables repeat analysis for method optimization or additional sample characterization.
The benefits of thermal desorption
HiSorb probes are analyzed by TD –a versatile pre-concentration technology for GC-MC that is used to analyze VOCs and SVOCs in a wide range of sample types.
Benefits of TD include:
-Wide analytic range: Backflush operation allows tubes and traps to be packed with sorbents of different strengths without risking the heavier analytes becoming irreversibly bound to the stronger sorbents. This widens the range of compounds that can be sampled and analyzed.
-High sensitivity: Two-stage desorption using sorbents-packed sampling tubes and traps allows concentration enhancements of up to 10⁶.
-Wide dynamic range: With dual sample splitting, Markes’ thermal desorbers can handle analyte concentrations ranging from part-per-trillion up to low-percent levels.
-Cleaner chromatography: TD eliminates solvent artefacts, and also allows unwanted high-abundance components such as water to be selectively removed.
-Analytical quality: The narrow –bore focusing trap ensures that a highly concentrated band of vapor is introduced to the GC, allowing true split less operation and optimizing both resolution and sensitivity.
lntroducing HiSorb
HiSorb probes are constructed of a metal core supporting a section of PDMS for sample extraction.
High-capacity sorptive extraction applies the principles of SPME but on a larger, more robust scale.
-100+ fold higher sensitivity
-Robust & re-useable (>50 uses)
Use custom septa for easy insertion/removal into sample vials, and minimized manual handling.
Compatible with industry standard TD tubes, for automated analysis using Markes or competitive TD system.
Who uses HiSorb?
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Existing thermal desorption users wishing to extend their capabilities to extraction from liquids.
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Users of headspace, solid-phase micro-extraction (SPME) or liquid extraction wanting to enhance the characterization of their samples or obtain complementary information.
HiSorb can be used at:
Food and Beverages Industry: Brewing, wine and dairy industry/ Cola, soft drinks/ Juice, bottled water.
Fragrances: Complex Natural Products.
Finished personal care products.
Environmental: Water analysis (potable, river, wastes, sea), Sludge, Tanker, Landfill.
Clinical/Medicinal: Urine-Drugs, metabolomics, congenital disorders, disease bio-markers.
