Flame &Graphite Furnace Integration Atomic Absorption Spectrophotometer
CHL-AA830
Features
Flame graphite furnace integrated design, vertical 8-element lamp design, eight-lamp automatic turret, can be preheated at the same time.
The graphite furnace/flame switching uses a patented adjustable pneumatic device that allows the atomic absorption mode of operation to be switched by one button.
The optimized EMC includes EMI (electromagnetic interference) and EMS (electromagnetic tolerance) circuit design to ensure reliable and stable operation of the instrument circuit.
Czerny-turner light path design, short optical path, strong energy. Adopting 1800 reticle/mm plane diffraction gratings with high resolution.
The floating optical platform ensures high stability of the optical system and reduces the effects of vibration.
It features a fully plastic corrosion-resistant spiral lifting system and a highly integrated pneumatic system.
Patented high-precision graphite furnace sampling system ensures injection accuracy.
With 52-position autosampler
Atomic system
It adopts titanium alloy burning head and full plastic spray chamber to resist corrosion.
Efficient glass atomizer for corrosion resistance and easy cleaning.
Maximum 10th-order heating program, step, ramp, and three temperature-increasing modes.
Longitudinal heating technology.
security function
With water seal detection, water seal no ignition
With waste liquid level detection, no waste overflow
Hardware safety interlock mechanism, automatically shut off gas after air pressure is reduced
With flame monitoring, accidental flameout automatically turns off the gas
It has internal and external gas gas pressure detection, power transformer over temperature protection, graphite furnace body temperature protection, graphite furnace break alarm and other functions.
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Wavelength range
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190-900nm
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Wavelength accuracy
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±0.02nm
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Baseline drift
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≤±0.003A/30min
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Characteristic concentration
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Cu≤0.003μg/mL（Flame）
Cd≤0.5pg（Graphite furnaces）
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Measurement density (RSD)
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Cu≤0.6%（Flame）
Cd≤2.0%（Graphite furnaces）
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Wavelength repetitive
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≤0.1nm
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Background correction method: 氘 light button background
Instrument size: (L × H × D): 870mm × 510mm × 525mm
Power: host 200VA, graphite furnace: instantaneous maximum power 4000VA
