210VGP/220
Stabilized Temperature Graphite Furnace AA
Unique
Furnace Design
The Model 220 GF accessory is the latest technology
in 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.
Capabilities
The unique power supply in our 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.
Methods
The Stabilized-Temperature Graphite Furnace AA (STGFAAS)
procedure insures the highest accuracy and reproducibility.
The 210VGP can initiate multistep sequences with alternate
gas purging for fully optimized STGFAAS.
System
Integration
The integration of the controlling software with the
furnace module is comprehensive, and methods development
time can easily be cut in half by using our protocols
to refine an analytical method. The Model 220AS random-access
autosampler will fully automate your analytical operations
without the need for an external PC to control the
system. By incorporating a sample ID table within
the software, complete data handling can be done internally.
Model
420 Continuous Flow Hydride
The Model 420 hydride accessory provides virtually
instant access to PPT detect ability for hydride metals
in a semi-automated, continuous flow system. Low level
determinations of As, Se, Sb, Bi, Te, Sn, and Ge are
easily performed. The cold vapor mercury model achieves
trace level analysis.
Model
220AS Furnace Auto sampler
Complete system automation can be achieved using the
Model 220AS Auto sampler. This fully programmable,
random access system provides 40 sample cups and eight
calibration/QC cups. It can also perform automatic
matrix modifier additions and sample dilutions. Sample
cups can be identified in the built-in table, and
method development time can be reduced substantially.
Model
240 Flame Auto sampler
To enhance laboratory productivity, this 150 position
auto sampler features a fast access rate for unattended
operation. Users can program various dilution and
sample volumes with automated spike addition. A high
quality coating resists acids and bases. Full random
access allows for complete flexibility.
AAnalyze™
Data Acquisition Software
Provides automated data collection via RS232C, conforming
to all EPA protocols. Data handling capabilities include
auto calibration, spike recoveries, drift corrections,
and QC charting. Calibrations are performed using
linear or polynomial regressions in a Windows®-based,
easy to use format. Full report generation with calibration
curves and QC chart printouts as well.
AA
Accessories
Buck Scientific offers high quality hollow cathode
lamps, and aqueous and organic standard solutions.
For furnace operation, we offer matrix modifiers and
buffers, plus three styles of graphite tubes. Buck
has all the accessories and supplies needed for atomic
absorption spectroscopy. For the complete AA Accessories
catalog, call 1-800-562-5566. We look forward to helping
you.
