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Shimadzu AA-7000

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AA-7000

The AA-7000 series' 3-D optical system is capable of producing maximum performance for both flame detection (Pb 0.015 ppm) and furnace detection (Pb 0.00005 ppm). This is achieved through optimal adjustment of the light beam and digital filter, and by using optical components that restrict light loss.  
  
The optical double-beam photometric system is automatically set for flame measurements, and the high-throughput, single-beam photometric system is automatically set for furnace measurements. With a new graphite furnace design, the AA-7000 Series has achieved improved lower limits of detection for furnace analysis in all fields, as compared to Shimadzu's previous series designs.  
  
The AA-7000 has the smallest footprint of any flame or furnace AA spectrophotometer on the market, combining flame and furnace system mounts in the same compartment. When combined with an optional auto atomizer changer, the AA-7000F creates an integral burner and furnace that remains permanently installed in the combustion chamber. It supports flame analysis of high-concentration samples and furnace analysis of trace samples without changing the atomizer unit.  
  
The AA-7000 series gives users a single high-performance autosampler for both flame and furnace, saving capital cost and set-up time. The ASC-7000 autosampler can layer a solution in the furnace like competitive systems, but takes analysis a step further by truly mixing a sample with four other solutions, such as matrix modifiers, matrix matching, dilution or standard addition samples, for a higher level of automation. Optimal background correction methods are installed as standard, and a high-speed self-reversal method provides correction over a 185 nm to 900 nm range.  
  
Additionally, because safety is an important consideration for flame atomic absorption spectrophotometers, the AA-7000 series are also the first instruments in the world to be equipped standard with a vibration sensor that extinguishes flames automatically. Other safety features include a multimode automatic gas leak check and automatic air-N2O switching for flame-specification instruments, and an argon gas pressure monitor and over-current protection unit for furnace-specification instruments.
AA-7000
Attributes
Graphite Furnace Yes
Lamps 6-lamp turret, 2 lamps simultaneously lit (1 for measurement, 1 warming up for next measurement)
Optical System Double-beam
Wavelength Range 185 to 900 nm
Power Requirements 100, 120, 220, or 230 VAC, 50/60 Hz (Power is required separately for the personal computer.)

Features

Double-Beam Optics and Stable Hardware Achieve Superior Stability  
The AA-7000 series’ newly developed 3-D optical system is capable of producing maximum performance for both flame and furnace detection. This is achieved through optimal adjustment of the light beam and digital filter, and by using optical components that restrict light loss.  
  
Achieves World-Class Lower Limits of Detection  
Advances in optics and a new graphite furnace design achieve improved lower limits of detection for furnace analysis (comparison with previous Shimadzu models). This superb analysis performance is possible in all fields.  
  
Dual-Background Correction Functions  
The optimal background correction methods, high-speed self-reversal method (SR method) and deuterium lamp method (D2 method), are installed as standard.   
  
Advanced Safety Technology  
Safety is an extremely important consideration for flame atomic absorption spectrophotometers using acetylene gas. The AA-7000 Series instruments are the first* ones in the world fitted with a vibration sensor as standard. They also incorporate a comprehensive range of safety mechanisms, including gas leak detectors.  
* Shimadzu in-house investigation. Current as of November 2008.   
  
Configuration Flexibility  
When attached to the AA-7000F, the optional AAC-7000 Auto Atomizer Changer* creates an integral burner and furnace that remains permanently installed in the combustion chamber. It supports both flame analysis of high-concentration samples and furnace analysis of trace samples, without changing the atomizer unit. The integral construction with the atomizer saves space.  
* The AAC-7000 cannot be attached to an AA-7000G instrument.   
  
The AA-7000 Series can be upgraded by adding units to allow the system to handle the analysis targets.   
  
Single Autosampler for Flame/Furnace  
The AA-7000 series gives users a single high-performance autosampler for both flame and furnace, saving capital cost and set-up time.

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AA-7000

AA-7000

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Shimadzu Scientific Instruments (SSI) is the American subsidiary of Shimadzu Corporation, headquartered in Kyoto, Japan. Founded in 1875, Shimadzu has...

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