Analytical method
Graphite furnace
Measurement mode
Atomic absorption analyses
Optics
Double-beam method (Polarized Zeeman method)
Background correction
Polarized Zeeman method
Monochromator
Mount/diffraction grating
Czerny-Turner mount, 1800 Lines/mm, Blazed at 200 nm
Wavelength range, setting
190 to 900 nm, Automatic spectral peak setting
Focal length, reciprocal dispersion
400 nm, 1.3 nm/mm
Slit width
4 steps ( 0.2, 0.4, 1.3, 2.6 nm)
Detector
PhotomultiplierÅ~2 pieces
Light source
Number of lamps, turn-on current
8 Lamps (turret), 2 Lamps simultaneous lightning, 2.5 to 20 mA (average amperage)
Lamp positioning
Automatic position setting, fine adjustment function
Graphite furnace section
Zeeman-effect magnet 1.0 Tesla permanent magnet
Temperature control 50 to 2,800°C overcurrent prevention
Heating current control
Optical temperature control
constant current control
Gas flow rate control
Sheath gas: Ar gas, 3 L/min.
Gas flow rate control Carrier gas: Ar gas
0, 10, 30, 200 mL/min.(4 steps)
Safety monitoring control
Ar gas pressure monitoring,
control cooling water flow monitoring
heating furnace temperature monitoring
Graphite autosampler
Number of sample containers
60 pcs(1.5 mL container), 96micro plate [option]
Modifier container
5 pcs(25 mL container)
Sample injection volume
1 to 100 µL
Sample injection reproducibility
RSD 1% or less(5 to 100µL)
Sample injection speed
Selectable in 5 steps
Rinse solution discharge
1 mL
Applicable solvents
Aqueous solution, ethanol, methanol, acetone, MIBK
Carry-over
10 E—5 or less(for standard aqueous solution sample)
Heating injection function
Yes
Number of nozzle washings
5 times
Sample condensation (in furnace)
1 to 25 times
Sample dilution (in furnace)
1 to 100 times 1 to 100 times
Data processing
Signal measurement method
Integration, peak height, peak area, peak width
Kinds of signals
Zeeman AA, sample, reference, and emission intensity
Calibration curve
Standard sample: Up to 10 points, Calibration curve preparation: Least-squares method and Newton method,
Approximation function: 3 kinds, Sensitivity correction function, standard addition method, sample standard addition method
Data processing
Calculation mode, peal width cut-off height specifiable, removal/restoration/replacement of measurement result, change of order
Data processing number of calibration curve, sample blank processing, zero correction of calibration curve,
Baseline correction statistical calculation (mean value, standard
deviation, relative standard deviation, determination coefficient)
Quality Control function
Sample check (detection limit, reproducibility), STD check, Quality
Control sample check, calibration curve check, recovery check, element,
measurement check
Parameter/data saving, Help function
Measurement result and measurement signal, instrument status/error
information, Instruction message for preventing errors, analytical
information
Dimensions/ weight
75(W)×63(D)×70(H)cm/139 kg
Power
220/230/240 V, 6 kVA, 50/60 Hz
*Recommended Computer Requirements : IBM PC/AT compatible, Microsoft Windows®* XP
*Windows is a registered trademark of Microsoft Corporation, U.S.A.
