• A new approach for sample adsorption and extraction of volatile and non-volatile components
    Fig (i) MonoTrap - a new approach..
  • Fig (ii) - Monolithic structure
  • Fig (iii) - Disc and rod formats

Solid Phase Extraction (SPE)

A new approach for sample adsorption and extraction of volatile and non-volatile components

Jul 28 2010

GL Sciences MonoTrap™, available from Hichrom Limited, is a new generation tool for sorptive extraction of volatile and non-volatile components of interest to many industries including the perfume and cosmetic, food and beverage, forensic, toxicology, environmental, chemical and biochemical and many others.

Fig (i) MonoTrap - a new approach for sample adsorption and extraction of volatile and non-volatile components

MonoTrap™ demonstrates a number of key advantages when compared to alternative methods for adsorption and extraction of volatile and non-volatile components. Conventional media for sampling generally exhibit low surface area and thin polymer coatings, which may lead to poor recovery and the need for prolonged extraction times. MonoTrap™ is based on state-of-the-art silica monolith technology. It has a large surface area due to the pores within the silica skeleton, whilst the through-pores reduce the resistance to flow. The result is a media that requires no pre-conditioning, exhibits fast adsorption and extraction and offers complete desorption using only small solvent volumes.

Fig (ii) - Monolithic structure of MonoTrap

These advantages have demonstrated excellent benefits in many areas and a range of industry applications have been identified including analysis of cherry blossom, red wine, body odours, soap, lavender, fatty acids in the atmosphere, organic solvents in the atmosphere, coffee, tea, gasoline residues, mango juice, curry powder, bread and non-polar metabolites from human plasma. Further application areas are continually being identified. Copies of all application notes are available on request from Hichrom Limited at technical@hichrom.co.uk along with sample packs, demonstration video CDs and technical brochures.


MonoTrap™ has been demonstrated to work in head space sampling, direct contact sampling and passive sampling techniques. It is available in two chemistries: one has the same characteristics as silica gel, whereas the silica frame of the other contains activated carbon as an adsorption surface to aid retention of more polar components. Both types are bonded with C18 groups. Disc and rod formats are available.

Fig (iii) - Disc and rod formats

To request further details on MonoTrap™ including sample packs and demonstration video CDs, contact Hichrom Limited on Tel: +44 (0)118 930 3660 or email: technical@hichrom.co.uk or www.hichrom.co.uk
 


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