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Mineral Composition Analyzer AAS Mineral Element Analyzer
Characteristics B
Light-source system: Hollow cathode lamp power supply: with adjustable current Deuterium Lamp power supply: with fixed current
Optical system: Double beam total refection system, C-T type monochromator Flashing wavelength: 250nm
Flame atomization system: Inter-changeable titanium alloy burner of 10cm and 5cm slits. Gas path is equipped with pressure indication, high precision voltage stabilizing flow adjustment, fast conversion of air and nitrous oxide, gas supply cut off, power cut off, prevention of flashback and logic interlock protection devices.
Signal processing: absorptance, concentration, emission and emission concentration; Standard curves: linear regression, curve fitting and multi-point standard calibration. Average value, standard deviation, relative standard deviation and correlation coefficient can be worked out. Standard curves, atomic absorption peak diagram, spectrum outline sketch, data as well as instrument parameters list and analytical reports can be displayed and printed out.
Technical Specifications
Working spectral range: 190-900nm
Wavelength accuracy: ≤ ±0.5nm
Wavelength repeatability: ≤ 0.3nm (single direction)
Spectrum bandwidth: 0.2nm, 0.4nm, 0.7nm, 1.4nm, 2.4nm, 5.0nm
Resolution: <40%
Base line stability: ±0.004Abs/30min
Characteristic concentration of copper: ≤ 0.04mg/ml/1%
Detection limit of copper: ≤0.008mg/ml
Background calibration ability: Greater than 30 times.
Standby Interface: RS 232
Instrument power supply: 220V, 3A, 50Hz
Accessory
Main accessories supplied with the instrument: Several decades of accessories including air compressor, one piece of Cu hollow cathode lamp. Gas external pipe, acetylene cylinder pressure-reducing valve and water knockout gas filter.
Optional accessories:
GA3202 HGA graphite furnace system: Used to conduct trace and ultra-trace analysis with an absolute sensitivity of 10-10-10-12 gram.
5cm long-life titanium burner: The necessary accessory for nitrous oxide-acetylene flame analysis.
Hydride generator (Totally automatic): Making the characteristic concentration of As, Se, Sb, Bi, Pb, Sn, Te, Ge, In, Tl, Cd and Zn lower than ppb level with cold atomic mercury measurement method.
Hollow cathode lamp: All specifications are available.
Graphite tube: All specifications are available.
Software with I/O port
Printer
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