AA-7000 Series Atomic Absorption Spectrophotometer
• Design of Suspension of Optics System. Shaking and Change of Environmental Temperature have No Effect on Instrument Stability.
• First Creation in World, integrating Flame/Graphite Furnace Atomizer, Graphite Furnace Power Supply, and Detection System of Optics and Electronics, together into One Major Unit of Instrument. It is one of the most compact AAS in the world.
• First Creation in China , utilizing Full Titanium Atomizing Cell and Burning System. Adopt Aero-Space High-Tech, Cast the Industrially Pure Titanium Atomizing Cell and Burning Head by Paraffin Method, having Excellent Ability to Resist Corrosion and Oxidation, to Stand High Temperatures, and having Long Working Life.
• Take Lead in Utilizing 1800 lines/mm Diffraction Grating, achieving Sufficient Energy and High Resolution.
• Realizing Automatic Switch between Flame/Graphite Furnace in 2 seconds.
• Carefully Designed Deuterium Lamp Background Deduction Technique and Self-Absorption Background Deduction Technique, making Calibration Result Accurate. Optimized Power Supply Techniques Prolong Working Life of Lamp.
• Safe and Reliable Control Alarming Devices, assuring Over-Current Protection for Hollow Cathode Lamp, Insufficient Pressure Protection for Combustion Gas/Protection Gas, Alarming for Leaking of Combustion Gas, Over-Heated Protection for Graphite Furnace, and Protection for Abnormal Flame State.
• Option to HG-01 Hydride Generator utilizing Heated Ceramic Tube, analyzing Elements of As, Pb, Se, Hg and etc. with High Sensitivity.
• Option to Graphite Furnace Automatic Sample Injector, realizing Automatic Preparation of Standard Solutions, thus realizing Fully Automatic Analysis.
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Table of AA-7000 Series AAS
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AA-7000 Flame AAS
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AA-7001 Flame/Graphite Furnace AAS
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AA -7002A Flame AAS
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AA -7003A Flame/Graphite Furnace AAS
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AA-7002 Flame AAS
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AA-7003 Flame/Graphite Furnace AAS
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AA -7001M Medical AAS
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AA -7003M Medical AAS
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Technical Features
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Light Splitting System
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Wavelength Scope: 190nm ~ 900nm
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Spectrum Bandwidth: Automatic Switch between the 5 levels: 0.1nm, 0.2nm, 0.4nm, 1.0nm, and 2.0nm, respectively
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Mono-Chromator: C-T Grating Mono-Chromator
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Wavelength Repeatability:
Full Wavelength ≤± 0.1nm for AA-7002, AA -7002A , AA-7003, and AA -7003A
Full Wavelength ≤± 0.2nm for AA-7000, AA-7001
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Grating: 1800 lines/mm
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Accuracy: Full Wavelength ≤± 0.2nm
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Focal Distance: 300mm
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Blaze Wavelength: 250nm
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Resolution: better than 0.3nm
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Static Baseline Stability: ≤± 0.002 A /30min
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Dynamic Baseline Stability: ≤± 0.004 A /30min
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Background Calibration: >50 times
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Analysis of Flame Method
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Position Adjustment: Best Adjustment of Height and Angle. Finish Switch between Flame/Hydride in 1 minute
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Burning Head: Interchangeable Full Titanium Burning Heads of 50mm and 100nm, Full Titanium Atomizing Cell
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RSD: ≤1%
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Limit of Detection: ≤0.005mg/L
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Benchmark Concentration of Cu: ≤0.02mg/L/1%
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Analysis of Graphite Furnace Method
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Benchmark Concentration of Cd: 0.5 × 10 -12 g
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Limit of Detection: 1× 10 -12 g
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Temperature Control Scope: Room Temperature ~ 3000 ℃
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Temperature Control Program: Max 20 segments Temperature Rising Program. 3 Modes of Temperature Rising: Step, slope, and flat, respectively
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Graphite Furnace Repeatability: 3μg/L Cd 11 injections, RSD≤2%
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Temperature Rising Speed: ≥ 2000 ℃ /second
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Data Processing
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Measurement Method: Flame Absorption, Flame Emission, Graphite Furnace, and Hydride
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Analysis Method: Linear Equation, Non-Linear Equation, Standard with Added Standard
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Print Output: Calibration Curve, Signal Spectrogram, Instrument Conditions, Analysis Parameters, Analysis Results and others all can be stored automatically and printed.
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Integrated Major Unit with Internally Placed Graphite Furnace Power Supply
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Dimensions: 880 (Length) × 540 (Width) × 450 (Height) mm, 125 Kg
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Power Supply: ~220V 50Hz Single Phase, Major Unit: 220W, Graphite Furnace: 4KW
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Complete Set of AAS
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1. Major Unit (Any Model)
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2. PC, Printer, Specialized Software and Control Interface
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3. Gas Source: Air Generator, High Purity Ar, High Purity C 2 H 2 (Option)
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4. Element Lamp (Select based on Your Need)
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5. Hydride Generator (Option)
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6. Automatic Sample Injector for Graphite Furnace (Option)
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7. Water Cooling Chamber for Graphite Furnace (Option)
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8. Spare Parts
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Contact person: Ms. Toni Gu 
toni_gu@tbt-scietech.com sales@tbt-scietech.com
0086-25-8472 1577 / 8472 1579 / 8472 1907
0086-25-8472 2235
Rm. 1001, Huaxia Mansion, No.81 Zhongshan Rd.,Nanjing,China,210005
