Shimadzu UK Ltd has
released the OPTIC-4 Multimode Inlet for Gas Chromatograph Mass Spectrometers
to address the growing R&D demand for a single GC-MS system that can
accommodate multiple analysis tasks. The introduction of the multimode
inlet device is targeted at chemical manufacturers, food producers and
university research departments.
Equipped with injection
modes capable of accommodating a wide range of sample forms, the OPTIC-4
supports split/splitless injection modes. A further five inlet
modes can also be accommodated with the single inlet. The additional
modes include: large volume injection mode; inlet derivatization mode; thermal
desorption mode; thermal extraction mode; thermal decomposition (pyrolysis)
mode and DMI (Difficult Matrix Introduction) mode.
Utilizing a direct heating
method, the OPTIC-4 is able to achieve a maximum heating speed of 60°C /sec
which enables chromatogram peak spread in thermal decomposition analysis to be
suppressed to a minimum. Equipping a system with an optional cryotrap
will sharpen chromatogram peaks and improve separation and sensitivity. With a
maximum heating speed of 60°C/sec, analysis is possible while the spread of
sample bands trapped by the cryo unit can be suppressed to a minimum.
Compound adsorption due to
cold spots can be minimized because the OPTIC-4 does not use switching valves
or transfer lines, which is ideal for analysing compounds with a high boiling
point, as well as adsorptive and degradable compounds.
The OPTIC-4 can also be
used as an inlet for large volume injection analysis. The improved sensitivity
due to large volume injection enables simple and easy sample concentration.
"By combining OPTIC-4 with
Shimadzu's new AOC-5000 Plus GC sample injection system and the optional LINEX
automatic liner exchange enables users to replace glass inserts automatically
without having to halt their analysis procedure and thereby significantly
improving analysis throughput rates," explained Alan Northage, GC/GCMS Business
Manager for Shimadzu UK.
"The unique
features of the multimode injector also enable analyses that no other
commercially available injector can perform. Whether that be the
'rapid-at-once' large volume injection of up to 150uL of sample for ultra trace
analysis or in the pyrolysis mode where the direct resistive heating of the
injector achieves a ramp rate of 60°C/s up to 600°C."
For more information visit
www.shimadzu.co.uk
About Shimadzu
Shimadzu
is a world leader in the design and manufacture of products and services within
a broad range of fields including bioresearch. The company's commitment
to the philosophy of "contributing to Society through Science and Technology"
forms its common managing concept throughout the world: "Solutions for Science
since 1875". Instruments for analysis and measurement in industry and research,
environmental testing and other bio-related equipment, and semi-conductor and
media related equipment and software services are within Shimadzu's portfolio.
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