Description
Features:
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.
◆ Easy-to-use automation software
◆ Integrated safety precautions for user protection
◆ Precision accuracy with integrated correction system
◆ Life cycle value, best choice for less than 8 elements of analysis
Specifications:
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
Monochromator
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
Background correction:
Deuterium Arc (D2) 1.0 Abs,Self Reversal (SR) 3.0 Abs
Flame Analysis
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
Nebulizer:
High–efficiency glass,acid proof available as an option
Pre-mix chamber: Corrosion resistant
Atomizer selection:
Manual (AA990F)
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 ℃
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
Features:
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.
◆ Easy-to-use automation software
◆ Integrated safety precautions for user protection
◆ Precision accuracy with integrated correction system
◆ Life cycle value, best choice for less than 8 elements of analysis
Specifications:
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
Monochromator
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
Background correction:
Deuterium Arc (D2) 1.0 Abs,Self Reversal (SR) 3.0 Abs
Flame Analysis
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
Nebulizer:
High–efficiency glass,acid proof available as an option
Pre-mix chamber: Corrosion resistant
Atomizer selection:
Manual (AA990F)
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 ℃
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
