Accusys Flame & Furnace AA with Autosampler (211AAS)
The Accusys 211 AAS incorporates a series of sophisticated automatic functions and safety features into the high-sensitivity, interference-free design of Buck's unique “Stable-Beam” optical system. The proprietary non-Flame ignition system and automatic controls make the Accusys-series instruments the AAS of the new Millennium. Internal microprocessor and software can identify samples, perform statistical analysis and graphically display calibration curves and transient peaks (Hydride generation & Graphite furnace). Fully integrated safety interlocks for gas pressure sensors, burner head type, UV flame sensor, drain line trap and ignitor continuity insure safe operation of the 211 AAS.
- Unique non-flame ignitor provides the safest instrument start-up
- Simple 3 button operation for fully automatic gas controls, ignition and gas switchover (Air to Nitrous Oxide)
- Automatic optimization of analytical parameters when method files are loaded from the 211 built-in Methods Library
- Available autosampler, hydride generator and cold vapor attachments
|Wavelength Range:||190 to 900nm, Accuracy ± 0.2nm, Precision ± 0.1nm|
|Monochromator / Optics:||250mm Ebert mount, 600 lines/mm grating, 0.2-0.7-2.0nm bandpass|
|Hollow Cathode Lamp Supply:||Triple HCL power supply; 3 to 75 mA peak in NORMAL mode, 3 to 750mA in GIANT PULSE mode. |
|Background Correction:||Deuterium - In-Line (see-through) configuration, pulsed illumination, hot cathode, variable frequency, corrects from 190-350nm (0.7nm slit). Variable Giant Pulse - Self-reversing HCL currents up to 750 mA with pulse time from 10 to 200 microseconds, corrects from 190-900nm. The 205AAS Does not feature D2 Background correction|
|Burner / Nebulizer:||Polypropylene spray chamber with pre-mix burner and high efficiency adjustable nebulizers (SS), Titanium burner heads for Air/Acetylene, Argon/Hydrogen and Nitrous Oxide/Acetylene operation.|
|Microprocessor:||Computer control by 80C188 chip, 8/16 bit operation, 12/24 MHz clockspeed; non-volatile SRAM storage of >200 method files.|
|Integration / Response Range:||User selectable times from 0.5 to 10 seconds for continuous (flame) and transient (furnace, hydride) signals.|
|Calibration:||Automatic, weighted least squares fit to 1st, 2nd, 3rd, or 4th order functions, up to 8 points.|
|Display:||16-line backlit liquid crystal display for all text and graphics|
|Output Modes:||LCD display, IEEE-488 Parallel port for dot-matrix printer, RS-232 Serial port|
220 Graphite Furnace
The Model 220 GF accessory is for PPB level analyses by graphite furnace AA. This fully integrated design uses an innovative, unique technology in a compact powerful furnace module. The quick-mount design permits rapid changeover between furnace and flame heads
The unique power supply in the furnace is capable of generating temperatures up to 3000°C in less than a second! This ultra-fast heating rate provides superior sensitivity in refractory elements and carbide-forming metals. The on-board firmware gives the analytical chemist full control of all aspects of the analysis. Gas flows (external, internal, mini-internal and auxiliary are standard), data collection (integrated, real-time, peak height or absorbance area) and electronic parameters for the hollow cathode lamps and the various background correction routines can all be programmed by the operator for maximum results.
- Four (4) automatically controlled gas ports for sheath, internal, diluent, and auxiliary gas flows
- Maximum Temperature 3000°C
- Preprogrammed furnace temperature programs for all elements
- No external computer required for operation
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Since 1996 GenTech Scientific has served laboratories globally with integrity, focused on the details that are specific to each individual customer. Every lab is different and our goal is to provide you with exactly what you need for the best value. We are a laboratory equipment dealer of a variety of new products such as Atomic Absorption Spectrometers (AA), UV-VIS Spectrophotometers, Vacuum Pumps, Gas Generators, Mass Spec Quiet Boxes, Water Chillers, Degassers, Workbenches and more.
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