August 1, 2000; pp. 544 A-545 A. Table 1
Copyright 2000 American Chemical Society
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Table 1. Summary of selected GFAAS systems

Model AI 1200 Avanta UltraZ Avanta (with GF3000) SIMAA 6000 AAnalyst 800
Manufacturer Aurora Instruments
1001 East Pender St.
Vancouver, B.C., Canada
V6A 1W2
800-883-2918
GBC Scientific Equipment
3930 Ventura Dr.
Arlington Heights, IL
60004
800-445-1902
GBC Scientific Equipment
3930 Ventura Dr.
Arlington Heights, IL
60004
800-445-1902
PerkinElmer Instruments
761 Main Ave.
Norwalk, CT 06859
800-762-4000
PerkinElmer Instruments
761 Main Ave.
Norwalk, CT 06859
800-762-4000
URL www.aurora-instr.com www.gbcsci.com www.gbcsci.com www.perkinelmer.com www.perkinelmer.com
Background correction Deuterium and Self- Reversal Zeeman Deuterium Longitudinal Zeeman Deuterium and longitudinal Zeeman
Flame capability Yes No Yes No Yes
Autosampler capacity 180 test tubes or 4 x 96 microplates 150 40 80 146
Number of source lamps 5 8 8 4 (HCLs or EDLs) 8 (up to 4 EDLs)
Furnace tube design Transverse Transverse Longitudinal Transverse Transverse
Detector PMT PMT PMT Solid-state (photodiode) Solid-state (photodiode)
Options Single/double beam switching capability; flame/furnace switching capability; built-in high-intensity HCLs; continuous-flow vapor generation High-intensity Super Lamps; CCD imaging capability inside graphite tube Hydride generation; mercury concentrator; high solids analyzer; automatic dilution system; high-intensity Super Lamps; CCD imaging capability inside graphite tube Ultrasonic slurry sampler; automated flow injection (FI) cold vapor mercury and hydride generation; FI-GFAAS coupling kit AutoPrep 50 Dilution System; flow injection (FI) cold vapor mercury and hydride generation; FI-GFAAS coupling kit; ultrasonic slurry sampler
Special features Small footprint (68 55 37 cm, including power supply); transverse heating with high heating rate (3800 K/s); automatic sample dilution; universal autosampler for use with all atomizers; two temperature probes for low- /high-temperature control; automatic lamp alignment Ultra-fast magnetic field modulation; variable magnetic field strength; self-aligning graphite tubes; automatic lamp selection and alignment; automatic dilution; automatic addition of matrix modifiers; low maintenance; compact size Fully automated, including automatic burner rotation for flame, automatic dilution, and automatic addition of matrix modifiers; Asymetric Modulation for improved S/N; fast ULTRA-PULSE background correction Simultaneous analysis of up to six elements; automatic generation of reference solutions; automatic dilution Automatic flame/furnace switching; solid-state furnace heating; uniform heating rate (190–250 V); automatic dilution; automatic injection into preheated tube; advanced data handling; automatic tube resistance compensation

Table 1. Summary of selected GFAAS systems (continued).

Model AA-6800 Series SOLAAR M Series SPECTRAA 220Z/880Z SPECTRAA Series
Manufacturer Shimadzu Scientific Instruments
7102 Riverwood Dr.
Columbia, MD 21046
800-477-1227
TJA Solutions
27 Forge Pkwy.
Franklin, MA 02038
800-229-4087
Varian, Inc.
2700 Mitchell Dr.
Walnut Creek, CA 94598
800-926-3000
Varian, Inc.
2700 Mitchell Dr.
Walnut Creek, CA 94598
800-926-3000
URL www.shimadzu.com www.tjasolutions.com www.varianinc.com www.varianinc.com
Background correction Deuterium and Self-Reversal Deuterium and Zeeman Zeeman Deuterium
Flame capability Yes Yes No Yes
Autosampler capacity 68 60 50 50
Number of source lamps 8 6 4 (220Z), 8 (880Z) 2 (50/55), 4 (110/220), or 8 (880)
Furnace tube design Longitudinal Longitudinal Longitudinal Longitudinal
Detector PMT PMT PMT PMT
Options Vapor mercury and hydride generation Continuous-flow vapor system; segmented flow injection vapor system; heated hydride cell; in-line diluter; CCD imaging capability inside graphite tube High-intensity UltrAA lamps; continuous-flow vapor generation; unattended hydride and cold-vapor mercury analysis; off-line sample preparation; validation packages High-intensity UltrAA lamps; continuous-flow vapor generation; unattended hydride and cold-vapor mercury analysis; off-line sample preparation; validation packages
Special features Automatic flame/furnace switching via keyboard; same autosampler for flame and furnace; automatic dilution of off-scale samples (up to 300 times); auto-addition of matrix modifiers; multipoint calibration curve from single standard Fully automated optimization steps; two atomizer compartments (one for furnace autosampler and one for flame autosampler); small footprint; automated validation package with full quality control software and audit trail reporting Multitasking software automatically stores method, sequence parameters, sample labels, and data; low thermal mass graphite tubes for improved S/N; peak area algorithm minimizes effects of noise; same features as SPECTRAA Series Automatic dilution of over-range samples; calibration from a single standard; remote servicing and support; 14 EPA-compliant and 10 user-defined QC tests; same features as Zeeman systems

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