At Cambridge Scientific Products, we offer an extensive range of equipment for your laboratory. Interact with our search tool below to explore our current products, or filter by a product category to see our most up to date product offerings in each of these categories.
The AA900 Atomic Absorption Spectrometer is a versatile entry level instrument with a computer controlled Air/Acetylene flame for general laboratory requirements. Due to its high sensitivity and excellent performance the instrument can be used for a wide range of applications. The versatile instrument is available in three configurations:
AA990F-Flame atomizer only.
AA990G-Graphite furnace atomizer only.
AA990FG-Combined with flame and graphite furnace atomizer switch aromatically.
Common Applications include: Agricultural, Environmental, Petrochemical, Clinical.
â—† Easy-to-use automation software
â—† Integrated safety precautions for user protection
â—† Precision accuracy with integrated correction system
â—† Life cycle value, best choice for less than 8 elements of analysis
Wavelength range: 190-900 nm
Light source: Hollow cathode lamp (HCL), Deuterium Arc lamp (D2)
Modulation: Square wave pulse
Modulation frequency :
100 Hz self reversal (SR) background,
400 Hz Deuterium Arc (D2) background
Grating: 1800 grooves/mm diffraction grating
Blazed wavelength: 250 nm
Focus: 300 nm
Bandwidth: 0.1, 0.2, 0.5, 1.0, 2.0, 5.0 nm
Scan mode: Automatic
Photometric type: Single beam
Wavelength accuracy: ±0.15 nm
Wavelength resolution: 0.2 nm±0.02 nm
Wavelength reproducibility: <0.05 nm
Spectral bandwidth: 0.5, 1.0, 2.0, 5.0 nm
Baseline stability: 0.005 A/30 min
Deuterium Arc (D2) 1.0 Abs,
Self Reversal (SR) 3.0 Abs
Flame type: Air/acetylene
Sensitivity (Cu): 2 μg/ml Absorption>0.280 Abs
Characteristic Concentration: Cu<0.02 μg/ml
Detection limit: Cu<0.004 μg/ml
Repeatability: Cu<0.7 %
Burner head: Titanium Alloy
acid proof available as an option
Pre-mix chamber: Corrosion resistant
Automatic changeover (AA990FG)
Safety features: Burner switch, 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-2650 â„ƒ
Heating program: Up to 10 steps. Drying, Ashing, Atomization, Cleaning
Feedback: Voltage and optical temperature control feedback
Sensitivity (Cu): 50 ng/m Absorption>0.40 Abs
Our used lab equipment is fully refurbished, guaranteed to work up to manufacturers specifications and are delivered to our customers in as close to new condition as possible. Typical turnaround for refurbishing of used lab equipment is 2-4 weeks. They also come with our standard 6 Month parts and labor warranty. Prices do not include S/H unless otherwise indicated. Pictures enclosed and the actual unit may vary unless specified.