Selection of 23 products among
23
SERIES 400 AND 400-P GAS CHROMATOGRAPHS
The GOW-MAC Series 400 and 400-P Isothermal, Thermal Conductivity Detector (TCD) Gas Chromatographs are rugged, compact, affordable, service-free GCs designed for high capability performance while
withstanding rough, student or industrial use. They meet the demands for teaching the principles of gas chromatography, chemistry and biochemistry. As of January of 2005, the Series 400 GCs has replaced our very popular Series 350 GCs.
Isothermal Operation
Detector: Thermal Conductivity Detector (TCD)
Direct On-Column Injection or Gas Sample Valve (manual or pneumatic)
Single or Dual Column
Microscale Compatible: heated, threaded exit ports (optional)
Accommodates 1/8” or Ľ” o.d. metal or 6 mm glass columns
Signal Amplifier, x10 (optional)
Independent, Direct Set, Temperature Controls for Column Oven, Detector, Injection Ports
Operating temperature: ambient to 300 °C
Power: 110-220 V, 50-60 Hz
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GOW-MAC«
SMOOTH VERSATILE AND EFFORTLESS ION CHROMATOGRAPHY
Flat, Stable Baselines coupled with High Sensitivities
The use of the newly upgraded CE 4710 Conductivity Detector, coupled with the continuously regenerated chemical carbonate suppressor columns
will provide for flat baselines, high sensitivities, gradient usage and speedy column equilibration.
Whatever your Ion Chromatography requirements, IonQuest will provide great value plus more.
Versatile
One single system will accommodate your requirements for now and the future.
There is no limitation on the choice of eluents, columns, pumps, sample pre-treatment, samples and column conditions.
Adherence to EPA methods is easily achieved.
A vast range of analytical columns can be supplied.
Exceptionally ultra-low drift
The use of high stability temperature control of the detector cell contributes towards the extremely low drift. Peace of mind will be your norm. The drift of the conductivity detector is so low, that overnight unattended runs are easily achieved when the detector is used with any of our reliable autosamplers.
High pressure mixing gradients
Using the pulse-free microprocessor controlled pumps, achieve precise control and repeatability of mobile phase mixtures, to 0.1% levels. Coupled with rapid responses to changes in concentration and lower incidences of bubbling of the mixed mobile phase, the achieved gradients are the best.
A large range of pumping volumes, with low volume pumping increments is available.
Hence method development is achieved with fewer set-backs and the developed methods are more transferable.
Additional Detector Options
In addition to the standard conductivity detector, the IonQuest can be used with other detectors, such as electrochemical, refractive index, UV/Visible, WaveQuest UV/Visible ultra-fast scanning and fluorescence. Your options will not be limited.
Analyse catecholamines in blood plasma with an electrochemical detector, whilst simultaneously analysing anions using a conductivity detector.
Detect all the organic acids in wine using the conductivity detector, whist simultaneously detecting the sugars with refractive index or electrochemical detectors.
Amino acids, metals in soil, nucleic acids, fluoride and sodium in toothpaste, sodium in foods, bromide in water.
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Cecil Instruments
SERIES 580 RESEARCH GAS CHROMATOGRAPH
The Series 580 Gas Chromatograph sets the standard for reliable performance in a wide range of applications. So impressive has the performance of this GC been, that many 580 users refer to it as
"The Workhorse" instrument of their laboratory. The Series 580 GC can be customized to fit the exact requirements your application requires, utilizing either a TCD, FID, DID or PID detector.
Isothermal Operation
Detectors: TCD, FID, DID, or PID
Direct On-Column Injection or Gas Sample Valve: packed, capillary — split/splitless
Single or Dual Column
Accommodates 1/8” or 1/4” o.d. metal, 6 mm glass, or capillary columns
Column temperature range: ambient to 400 °C
Column oven temperature protection circuit
Readout: 3-1/2 digit LED digital display
Independent Temperature Controls for Column Oven, Detector, Injection Ports
On-line monitoring and valve manipulation by software or linking workstation
Microscale Compatible: heated, threaded exit ports, (optional — TCD only)
Signal Amplifier, x10 (TCD — optional)
Choice of standard or corrosion resistant system
Installation: bench or 19” rack mount
Power: 110-220 V, 50-60 Hz
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GOW-MAC«
GPC STANDARDS POLYCAL™
Viscotek offers a full line of GPC standards for natural and synthetic polymer applications. PolyCAL™ Standards were developed as part of our commitment to provide "Complete Solutions for GPC/SEC
Applications". PolyCAL™ Standards free GPC users from tedious standard preparation tasks by providing pre-weighed portions that are both accurate and easy to use.
Pre-Weighed and Ready to Use PolyCAL™ Universal Calibration Standards (UCS)
PolyCAL™ UCS standards consist of 6 sets of 12 individual narrow standards each. They are designed to be used for column calibrations, either conventional MW calibration with a concentration detector, or Universal Calibration with a viscometer detector.
Time efficient, no weighing and no labeling, just add solvent
Cost effective, multiple use afford less $ per calibration
Accurate, precise and flexible concentration control with bigger vials
and larger sample weights
Excellent tool for lab-to-lab standardization and cross check
One standard per vial, no resolution problems
Detail pre-printed labels for lab notebooks (good for GLP/ISO)
Broad MW range, 12 fractions provide excellent MW coverage
Available for organic (PS, polystyrene) and aqueous (PEO, Polyethylene glycol/oxide) applications
Also Available PolyCAL™ Triple Detector Standards (TDS)
PolyCAL™ TDS standards consist of 6 sets of two standards each, one narrow and one broad. They are designed to be used for calibrating detectors used in triple detection, such as light scattering, viscometers, and refractometers.
The narrow standard is particularly useful for determining detector volume offsets
and peak broadening parameters.
The broad standard is particularly useful for checking the calculations for correct
MWD (Mn, Mw, and Mz are reported) and Mark-Houwink parameters, etc.
In addition to the weight-average molecular weight Mw, the refractive index increment [dn/dc] and the intrinsic viscosity [h] are reported. These quantities can be used to calibrate, or check the calibration, of any and all three detectors. This response calibration is a must for accurate light scattering and viscometry work.
Intrinsic viscosity [h] and refractive index increment [dn/dc] reported for all common
solvents.
Other benefits regarding accuracy and convenience are similar as listed above for UCS standards.
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Viscotek Europe
SERIES 600 TEMPERATURE PROGRAMMABLE GAS CHROMATOGRAPH
The Series 600 is a fully programmable research grade gas chromatograph. Each GC is custom manufactured to your specific application, whether it is environmental, petrochemical, pharmaceutical, food
and flavors, solvent or industrial chemicals.
Microprocessor controlled temperature programming (CPU: 33 MHz 80386SX)
Processing ability: 32-bit
Detectors: TCD, FID, PFD, or PID (dual detector capability)
Detectors independently temperature controlled operated singularly, in series or in parallel
RS-232 and RS-422/RS-485 communication interfaces
Temperature programming in 1 °C increments
Programming rate: 0.1 °C to 40 °C/min in 0.1 °C increments
Column temperature range: ambient +5 °C to 450 °C
Column temperature overheat protection
Ten ramp oven temperature programming control
Store up to 10 methods with security PIN
Injection modes: direct packed; capillary — split/splitless; gas and liquid sample valves
Three independently controlled injection modules maximize efficiency, accuracy, and reproducibility
Electronic pressure programming (EPP) (optional)
Six external events and five heated zones
8-line EZ-view LCD display with touch keypad user interface
Differential flow controls
Corrosion resistant systems available
Power: 120-240 V, 50-60 Hz
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GOW-MAC«
