performance and great flexibility are just two features of the OPTIC 3, a
fully programmable injector for gas chromatography. It’s simple but highly
effective design allows a range of injection modes to be selected and
optimized to suit a sample’s characteristics.
Large, up to 100 ml at-once volume sampling
Cold as well as hot split/splitless injections
Direct (in-injector) thermal desorption for any type of
Difficult Matrix Introduction (DMI) - handling large
volumes of dirty sample extracts with non-volatile matrix
Optional automated liner exchange
Optional integrated cryogenic trap control
Discrimination free to C100
Pyrolysis up 600 °C with ramp rate up to 30 °C/sec
Compatible with most GC’s and autosamplers
more analytical options
Large volume injection saves times, improves performance
volumes up to 100 µl bring real benefits. Big savings may be made in sample
preparation time and costs. Besides, chromatographic performance is improved
with better quantitation and lower limits of detection.
Direct (in-injector) thermal desorption for solid and gaseous
Unique Optic 3
design allows direct (in-injector) thermal desorption into the capillary
column, important when compounds are highly active or of high molecular
weight. Direct thermal desorption of solid samples is possible, or liners
may be packed with a selection of adsorbents and used to sample airborne
analysis with Difficult Matrix Introduction (DMI)
sample introduction into GC column to be performed from a disposable
container (microvial) placed inside the injection liner. This has a great
advantage over traditional injection because large volumes (up to 30 µl) of
dirty sample extracts or even row samples can be introduced directly into GC
or GC-MS. Using the principle of selective exclusion, the volatiles and
semi-volatiles are transferred onto the column, while non-volatile residues
are retained in the microvial, which is disposed after analysis.
LINEX offers the possibility to automatically
exchange the liners between the OPTIC injector and the liner tray after one
or few analytical runs. This is required when analyzing dirty liquid
extracts or solid samples. Every time, on the completion of the
chromatographic run the injection liner is changed automatically to exchange
the sample and to avoid the possible build-up of involatile matrix
components in the GC system.
cryogenic trap control
in gas chromatography is sometimes a result of a sample introduction
technique that fails to deposit volatiles components in a narrow band at the
head of the capillary column. OPTIC-3 cryogenic cold trap allows solving the
problems by re-focusing the sample in a narrow band by cooling a short
section of the column. The OPTIC 3 trap is designed for rapid cooling and
efficient extremely fast (up to 50 °C/sec) heating, ensuring excellent
reproducibility and optimum peak shape.
temperature operation extends the application
OPTIC 3 can be
programmed up to 600 °C, extending discrimination free injection up to C100
compounds and beyond. Such higher temperatures have other advantages
such as reducing carryover between runs, or to enable in-injector
derivatizations, reaction studies and sample pyrolysis to be performed.
OPTIC 3 – a
choice of system
A number of
versions are available, comprising an injector head, free standing control
unit and different options extending capability of the system. The standard
OPTIC 3-PTV is designed to use the gas controls resident in the host
GC or GC-MS.
includes electronic carrier gas controls allowing either head pressure or
column flow to be programmed very accurately.
is an OPTIC 3-S equipped with the cryogenic trap. The trap control is
seamlessly integrated into OPTIC 3 hardware and software.
includes an extra channel for flow programmed control to provide a
multi-dimensional capability for the most complex analysis.
is an OPTIC 3-D equipped with the cryogenic trap and its control.
OPTIC 3 can be equipped with an injector compatible with the industry
standard ¼” thermal desorption tubes.
facilities and accessories are available for all models and are listed with
the specification data.
OPTIC 3 sampling
OPTIC 3 offers
several operating modes, including in-injector thermal desorption, and large
volume adding extra flexibility to any gas chromatograph.
The elegant but
simple injector design is readily compatible with most GCs. A thin stainless
steel body is ohmically heated to provide fast linear temperature
programming, up to 600 °C at rates as high as 30 °C/sec.
feature of OPTIC 3 is its large capacity quartz or glass liners which can be
filled with appropriate packing to receive or trap samples.
Large Volume Injector Optic 3 ¦
Leak Detector LD-229