Atomic Absorption Spectrophotometer LB-12AAS

Name: Atomic Absorption Spectrophotometer LB-12AAS
Brand: Labotronics
SKU: LB-12AAS
Rating: 4.9 (578 reviews)

Atomic Absorption Spectrophotometer LB-12AAS features a 190 to 900 nm wavelength range with ±0.2 nm accuracy. It supports both flame and graphite furnace atomization with fast mode switching. It is fully automatic and PC-controlled, ensuring stable and reliable performance. The system is equipped with a PID-controlled graphite furnace and an 85-position high-precision autosampler for consistent results.

$ 29525

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Specifications

Wavelength Coverage	190 to 900 nm
Lamp Configuration	66 hollow cathode lamps
Wavelength Repeatability	±0.1 nm
Wavelength Accuracy	±0.2 nm (full wavelength range)
Absorbance Range	0 to 2.5 ABS
Raster / Grating	1800 lines/mm
Spectral Bandwidth Levels	0.1, 0.2, 0.4, 0.7, 1.0, 2.0 nm
Optical Resolution	0.2 nm bandwidth separates Mn double lines (279.5 / 279.8 nm), valley-peak energy ratio < 20%
Static Baseline Drift	≤ 0.002 ABS / 30 min (Cu)
Background Correction	Background signal of 1 ABS reduced by ≥ 50 times (D₂ Lamp)
Flame Atomization Mode	Air–acetylene flame
Flame Burner Head Length	100 mm
Flame Dynamic Baseline Drift	≤ 0.004 ABS / 30 min (Cu)
Flame Sensitivity	≤ 0.025 μg/mL / 1% (Cu)
Flame Detection Limit	≤ 0.004 μg/mL (Cu)
Flame Precision	≤ 0.5% (Cu, absorbance > 0.8 ABS) (RSD)
Flame Safety Protection	Inadequate pressure, power failure, abnormal flame-out, automatic gas cut-off, burner mismatch protection
Flame Sensor	High-sensitivity flame sensor
Graphite Furnace Working Temperature	Room temperature to 3000 °C
Maximum Heating Rate	≥ 2000 °C/s
Temperature Control Method	PID temperature control
Graphite Furnace Characteristic Mass	Cd ≤ 1 pg; Cu ≤ 10 pg
Graphite Furnace Precision	Cd ≤ 3%; Cu ≤ 3% (RSD)
Graphite Furnace Safety	Overcurrent protection
Gas Pressure Alarm	Automatic alarm and stop heating
Cooling Water Flow Alarm	Automatic alarm and stop heating
Graphite Furnace Visual System	CCD camera real-time monitoring inside graphite tube
Visual Monitoring Functions	Capillary needle depth, platform position, drying/ashing/atomization process
Autosampler Type	Automatic sampler
Autosampler Capacity	85 positions
Autosampler Functions	Automatic injection, automatic dilution, automatic standard curve configuration
Injection Accuracy	High-precision injection
Flame & Furnace Switching	Mode switching within 10 seconds
Overall Safety System	Comprehensive operator protection
Graphite Furnace Power Consumption	7000 W
Graphite Furnace Power Supply	220 V AC
Graphite Furnace Dimensions	550 × 450 × 280 mm
Host Dimensions	500 × 450 × 430 mm
Graphite Furnace Weight	60 kg
Host Weight	80 kg

Features

Fast mode switching without mechanical adjustment

Stable optical-mechanical design

Real-time graphite furnace visual monitoring

Advanced safety with automatic gas shut-off

Intelligent software with method & curve storage

Standard Accessories

Low Noise Oil Free Air Compressor

Hydrogen Generators

Host Attachments

Graphite Furnace Section

Applications

Atomic Absorption Spectrophotometer LB-12AAS is used for trace and heavy metal elemental analysis in food, pharmaceuticals, environmental, and material samples. It is used in research labs, quality control laboratories, and environmental monitoring facilities.

Wavelength range	190 nm ~ 900 nm
Wavelength accuracy	± 0.15 nm
Wavelength repeatability	≤ 0.04 nm
Base line stability	≤ 0.002 A / 30 min (Cu)
Grating	1800 lines/mm

Wavelength range	190 nm ~ 900 nm
Wavelength accuracy	± 0.5 nm
Wavelength repeatability	≤ 0.3 nm (single direction)
Base line stability	± 0.004 Abs / 30 min
Spectral bandwidth	0.2 nm, 0.4 nm, 0.7 nm, 1.4 nm, 2.4 nm, 5.0

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