AELAB 8 Lamps Turret Atomic Absorption Spectrophotometer A3 Series
Features & Functions:
+ PC System is used to control the instrument. Preinstalled AA-Win 3.0 software, user manuals, cook book and Windows operating system.
+ AA-Win 3.0 software provides full control of the instrument and autosampler with easy method change for each technique.
+ Automatic 8 Hollow Cathode lamp turret controlled and optimised by the AA-Win 3.0 software. Operating lamp current and warm-up lamp current can be individually controlled to eliminate drift commonly associated with lamp warming.
+ D2 lamp background correction system fitted as standard to all configurations. High energy D2 lamp and adjustable beam splitter mirror are optimised by the AA-Win 3.0 software.
+ Self Reversal background correction system fitted as standard to all configurations. The high performance background system uses the same hollow cathode lamp as installed for the analysis. Minimum extra components are required and optical alignment is very simple. Self Reversal can be used for any element at any wavelength making it extremely versatile.
+ High precision minimal optics ensures maximum light throughput to the computer controlled Czerny-Turner monochromator.
+ A universal autosampler is available as an optional accessory which is conveniently mounted on the front of the A3 instrument.
+ Absorption and Emission modes are standard features in the AA-Win3.0 software as well as peak height, peak area, sequential and manual integration modes.
Air/Acetylene
Technical Specification :
+ The Air/Acetylene flame uses a 100mm single slot burner for the standard configuration.
+ The high sensitivity (Cu 2ppm >0.280abs) is due to the efficiency of the fixed position glass nebuliser fitted as standard. An acid resistant replacement is available as an option.
+ The flame can be easily set from blue lean flame through stoichiometric to fuel rich by means of computer control.
N2O/Acetylene+ The N2O/Acetylene flame uses a 50mm single slot burn- er and is available as an optional extra.
+ This flame configuration is used to measure elements less prone to ionization such as: Aluminium, Tin, Titanium, Calcium, Vanadium and Molybdenum.
+ Switching from Air/Acetylene to N2O/Acetylene to Flame Off is fully controlled by the AAWin3.0 software.
Air/Propane(LPG)+ This flame uses a 3 slot burner and with the Iowpressure requirement it is also much safer to operate.
+ Due to the Iow temperature of the flame it is ideal for analysing alkali metals such as: Potassium, Sodium and Lithium, especially when used in the emission mode.
+ Some remote areas of the world have difficulty obtaining Acetylene gas of a high enough purity to operate the flame correctly, LPG can give a real alternative and offer comparable results for most elements throughout the wavelength range.
Technical Specification :
| Spectrometer System | |
| Wavelength range | 185nm -910nm |
| Light Source | Hollow cathode lamp (HCL), Deuterium Arc lamp (D2) |
| Modulation | Square Wave Pulse |
| Modulation frequency | 100Hz Self reversal (SR) background, 400Hz Deuterium Arc (D2) background |
| Monochromator | |
| Grating | 1800 grooves/mm diffraction grating |
| Blazed Wavelength | 250nm |
| Focus | 300nm |
| Bandwidth | 0.1nm, 0.2nm, 0.4nm, 1.0nm, 2.0nm (Software selectable) |
| Scan mode | Automatic |
| Photometric Type | Single Beam |
| Wavelength Accuracy | ± 0.15nm |
| Wavelength Resolution | 0.2nm ± 0.02nm |
| Wavelength Reproducibility | < 0.05nm |
| Baseline Stability | 0.005Abs/30min |
| Background Correction | Deuterium Arc (D2) 1.0Abs, Self Reversal (SR) 3.0Abs |
| Flame Analysis | |
| Flame Types | Air/Acetylene, Nitrous Oxide/Acetylene, Air/Propane (LPG) |
| Sensitivity (Cu) | 2ug/ml Absorption >0.28Abs |
| Characteristic Concentration | Cu< 0.02ug/ml, Ba < 0.15mg/ml (N20/Acetylene) |
| Detection Limit | Cu< 0.004ug/ml |
| Repeatability | Cu< 0.7% (Air/Acetylene Flame) Ba< 1.0% (Nitrous Oxide/Acetylene Flame) |
| Burner heads | Titanium Alloy |
| Nebuliser | High efficiency glass, Acid proof available as an option |
| Pre-mix Chamber | Corrosion Resistant |
| Atomiser Selection | Automatic changeover (A3FG), Manual (A3F) |
| Safety Features | Burner identification, Flame Sensor, Gas Leak Sensor, Low Gas Pressure Sensor, Drain Trap,Sensor, Power Loss Protection |
| Graphite Furnace Analysis | |
| Graphite Head | Transversally Heated |
| Temperature Range | Ambient - 3000 0C |
| Heating Program | Up to 10 steps. Drying, Ashing, Atomisation, Cleaning |
| Feedback | Voltage and Optical temperature control feedback |
| Sensitivity (Cu) | 50ng/ml Absorption >0.40Abs |
| Detection Limit | Cd< 0.004ng/ml |
| Repeatability | Cu< 2.0%, Cd < 2.0% |
| Graphite Tubes | Pyrolytically Coated with Platform |
| Sample Size | Up to 20ul |
| Graphite Cooling | Water Circulator Available |
| Safety Features | Argon Pressure Sensor, Water Flow Sensor, Over Temperature Sensor, Broken Tube Protection |
| Data Processing | |
| PC System | PC, Windows Operating System |
| Operating Program | AA Win 3.0 software |
| Analytical Methods | Flame AA, Flame AE, Graphite Furnace, Hydride Generation |
| Readout Mode | Continuous, Peak Height, Peak Area |
| Calibrations | Multi-Standard Calibration, Standard Addition, Interpolation |
| Data Storage | Analytical results, instrument and measurement parameters, signal profile, calibration curve |
| Power Requirements | |
| Main Unit | 220VAC 50/60Hz |
| Graphite Power Supply | 220VAC 50/60Hz Instantaneous power 7KW |
| Dimensions | |
| Main unit | 110cm x 54cm x 54cm 75Kg |
| Graphite Power Supply | 50cm x 54cm x 54cm 70Kg |
| A3F | |
| 1 | Main unit |
| 1 | A3 instruction Manual |
| 1 | Cook Book |
| 1 | Safety Manual |
| 1 | System validation document |
| 1 | Data coded Air/Acetylene burner |
| 1 | Glass Nebuliser |
| 8 | Hollow cathode Lamp Holders |
| 2 | Power Cables |
| 1 | Gas tubing Air |
| 1 | Gas Tubing Acetylene |
| 1 | Drain Trap and Tubing |
| 1 | Tool Kit |
| 1 | Various gas Fittings |
| A3G | |
| 1 | Main unit |
| 1 | A3 instruction Manual |
| 1 | Cook book |
| 1 | Safety Manual |
| 1 | System Validation document |
| 8 | Hollow cathode Lamp Holders |
| 2 | Power Cables |
| 1 | Tool Kit |
| 1 | Various Gas Fittings |
| 10 | Graphite Tubes |
| 1 | Gas Tubing Argon |
| 1 | Connection Cable (Graphite) |
| 1 | Pipette |
| 1bag | Pipette Tips |
| A3FG | |
| 1 | Main unit |
| 1 | A3 instruction Manual |
| 1 | Cook Book |
| 1 | Safety Manual |
| 1 | System validation document |
| 1 | Datacoded Air/Acetylene burner |
| 1 | Glass Nebuliser |
| 8 | Hollow cathode Lamp Holders |
| 2 | Power Cables |
| 1 | Gas tubing Air |
| 1 | Gas Tubing Acetylene |
| 1 | Drain Trap and Tubing |
| 1 | Tool Kit |
| 1 | Various gas Fittings |
| 10 | Graphite tubes |
| 1 | Gas Tubing Argon |
| 1 | Connection Cable (graphite) |
| 1 | Pipette |
| 1bag | Pipette Tips |
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