Page 24 - Shimadzu AA-7000

Specifications

Main Unit
Basics
Wavelength range 185.0 to 900.0 nm
Monochromator Aberration-corrected Czerny-Turner mounting, Number of grating grooves: 1800 lines / mm, Focal length: 300 mm
Bandwidth 0.2, 0.7, 1.3, 2.0L nm (4-step automatic switching)
Detector Photomultiplier tube
Optics Optics Optical double-beam
. BGC-SR (high-speed self-reversal method) (185.0 to 900.0 nm)
Background correction method
. BGC-D2 (D2 lamp method) (185.0 to 430.0 nm)
Number of HC lamps 6-lamp turret, 2 lamps simultaneously lit (1 for measurement, 1 warming up for next measurement)
Lamp mode EMISSION, NON-BGC, BGC-D2, BGC-SR
Software requirements Microsoft Windows 7 Professional / Vista Business / XP Professional
Parameter setting Wizard method
Measurement mode Flame continuous method, flame micro sampling method, furnace method, flame emission method
Concentration computation mode . Calibration curve method (select primary, secondary, tertiary) . Standard addition method, simple standard addition method (primary expression)
Up to 20 repetitions. Mean value, standard deviation (SD) and coefficient of variation (RSD) display
Repeat analysis
Automatic exclusion of deviant values by setting SD and %RSD
Baseline correction Automatic correction of baseline drift by offset correction in peak height / peak area modes.
Signal processing segment setting Signal processing segments can be changed in peak height / peak area modes.
Sensitivity correction Automatic calibration curve correction function using sensitivity monitoring
2 channels (atomic absorption/energy signal, background signal)
Data Analog output Output range: 5.0, 2.5, 1.25, 0.625 Abs./V (each settable in 4 stages)
processing Fixed at 1 V F.S. in EMISSION mode.
Tabular data processing Final concentration calculations based on sampled volume, dilution rate, fixed volume, and factor inputs
Recall of parameters Template functions available
Procedure/result display MRT (Measurement Results Table) worksheet
Report generation Summary report
Select whether to continue or discontinue measurements based on results of evaluation on coefficient of correlation,
QA/QC
%RSD, ICV . ICB, CCV . CCB, PB, LCS, SPK, PDS, and DUP.
. Select whether on not to conduct re-analysis.
Re-analysis
. Automatic dilution and re-analysis of unknown samples via autosampler (flame micro sampling method, furnace method)
. Management by login ID and password . Control user access authority by user level
Digital recording
. Log record . Audit trail . Electronic signatures
Power requirements Choose from 100, 120, 220, or 230 VAC, 50/60 Hz (Power is required separately for the personal computer.)
. AA-7000F/AAC: 700 W × 588 D × 714 H mm, 76 kg . AA-7000F: 700 W × 588 D × 714 H mm, 73 kg
Dimensions and weight . AA-7000G: 700 W × 580 D × 538 H mm, 66 kg
(Protruding parts and optional equipment are not included.)
Ambient temperature / humidity 10 to 35 °C, 20 to 80% (less than 70% when temperature is higher than 30 °C)
Flame
Type Air-cooled pre-mix type
Burner head Titanium 10 cm slot (5 cm titanium slot for N2O-C2H2 flame available as an option)
Nebulizer . Pt-lr capillary . PTFE orifice . ceramic impact bead (capable of handling hydrofluoric acid)
Chamber Engineering plastics
Burner
. AA-7000F
unit
. Lateral/vertical manual adjustment
Positioning
. AA-7000F/AAC
. Automatic flame/furnace switching by motor . Automatic search of optimum burner height
Angle adjustment 0 to 90° (Angle adjustment is not possible if the optional GFA-7000A is installed on the AA-7000F/AAC.)
Type Air-C2H2 flame, N2O-C2H2 flame (Hydrogen flame is not applicable)
Flow rate control . Automatic fuel gas flow rate setting (0.1 L/min step) . Automatic search of optimum gas flow rate
Gas . Automatic gas leak check . Automatic Air-N2O switching as C2H2 flow rate increases . Flame monitor . Prevention of wrong burner head use
control
Safety measures . Gas pressure monitor . Drain tank level monitor . Automatic flame extinction upon power outage or sudden power interruption
. Automatic flame extinction via flame vibration sensor . Internal fan stop sensor
Furnace (GFA-7000A)
Heating temperature range . Ambient to 3,000 °C
. Drying: Digital current control with automatic temperature calibration function
Heating control system
. Ashing, Atomization: Digital temperature control via optical sensor
. Maximum 20 stages . Heating mode: RAMP/STEP . Inner gas type: Dual automatic switching type
Setting heating conditions . High-sensitivity mode setting . Enrichment in furnace: Maximum 20 times
. Optimum temperature program search support function . Inner gas flow rate: 0 to 1.50 L/min
. Cooling water flow rate monitor . Gas pressure monitor . Overcurrent protection unit (double check by circuit protector and optical sensor)
Safety measures
. Furnace block cooling check
. AA-7000G
. Lateral/vertical manual adjustment
Positioning
. AA-7000F/AAC
. Automatic flame/furnace switching by motor
Power requirements 200, 220, 230, or 240 VAC ±5%, 7400 VA, 50/60 Hz
Dimensions and weight 260 W × 560 D × 510 H mm, 47 kg
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