Flame Atomic Absorption Spectrophotometer

Product Details

1. Product Introduction:The flame graphite furnace integrated atomic absorption spectrophotometer has high analytical accuracy and thoughtful humanized design, which can fully meet the various specific needs of different customers. And according to different analysis needs, automatic sample injector, hydride generator, etc. can be selected. 2. Application Field: It can be widely used in geology, metallurgy, medicine, chemical industry, petroleum, agriculture, environmental protection, commodity inspection and other industries. The analysis and application of trace elements has gradually penetrated from inorganic chemistry to organic chemistry in recent years. 3. Performance characteristics 1. Four, six, and eight lamp positions are optional (high-performance element lamps are optional), automatic three-dimensional switching, energy balance, and simultaneous preheating of multiple lamp positions to save waiting time, with deuterium lamp background buckling and self-absorption background buckling functions; 2. Unique integrated design of flame atomizer and graphite furnace atomizer to achieve automatic switching and manual switching dual modes; 3. Automatic optimization and memory function of instrument setting conditions, one-click completion of scanning peak search and energy balance; 4. Data report multi-format storage and print output, convenient data query and comparison; 5. The instrument software adopts a single-interface multi-function window design to make operation simpler, real-time monitoring of data changes, support mainstream Windows operating systems, support remote control and calibration, Chinese/English versions are optional, and has comprehensive quality control (QC) functions; 6. Advanced and reliable multiple safety protection system, automatic detection and alarm for insufficient pressure, leakage, flameout and other abnormal conditions; 7. Expandable: hydride system and combined function;Technical Specifications:1. Optical system Detector: Hamamatsu photomultiplier tube, Japan; Wavelength range: 185nm-900nm; Wavelength indication error: ≤±0.1nm; Wavelength repeatability: ±0.025nm; Baseline drift: 0.003ABS/30min (static) ↵0.005ABS/15min (dynamic); Spectral bandwidth deviation (resolution): Cu324.7nm wavelength 0.2nm bandwidth half width 0.2nm ±0.01nm; Light source system: turret-type fully automatic switching lamp stand; Element lamp lighting mode: 400Hz1/4 duty cycle pulse lighting; Lamp current adjustment: (0-10)mA (average current) software adjustment; Monochromator type: Czerny-Turner enhanced type; Grating line density: 1800; Spectral bandwidth: 0.1nm, 0.2nm, 0.4nm, 1.0nm multi-speed automatic switching; 2. Flame atomization system Combustion Burner: 0.5mmX100mm all-titanium burner; Sprayer: Metal sleeve high-efficiency glass sprayer; Repeatability: RSD≤0.7%; Detection limit: ≤0.006ug; 3. Graphite furnace atomization system Detection limit: 1.5pg; Precision: ≤3%; Heating temperature range: room temperature-3000℃; Heating speed: 2000℃/s; Temperature control accuracy: 1%; Heating condition setting: 11 steps, ramp heating, step heating, maximum power heating, heating monitoring and reverse measurement system; Safety protection: air pressure system, cooling system fault protection, power monitoring; Background correction (deuterium lamp): ≥60 times at 1ABS; Background correction (self-absorption): ≥60 times at 1ABS; Data processing: Linear regression method automatically fits the working curve and automatically calculates the results; Number of samples: 1-99; Result output: multi-format data storage and print output; Communication interface: standard RS232, USB expansion interface;