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Wavelength: 190nm-900nm
Monochromator: C-T, aberration, 1800pcs/mm
Spectrum bandwidth: 0.1nm, 0.2nm, 0.4nm, 1.0nm, 2.0nm for option
Wavelength accuracy: ±0.30nm
Wavelength repeatability: 0.20nm
Baseline shift: static ±0.003A/30min, dynamic ±0.005A/30min
Detector: high sensitive photomultiplier
Resolution: in 0,2nm spectral bandwidth, testing half-linewidth0.2+/-0.02nm.
ii.Atomic system
(Cu) characteristic concentration:1.0ug/ml, absorbance: >0.280Abs
(Cu) detection limit: 0.002μg/ml
Burner: 100mm titanium metal, air premixed
Precision: RSD≤0.5%
Sprayer: high efficiency glass atomizer, all plastics, SS atomizer
Atomizing chamber: corrosion resistant material
Position adjustment: flame burner optimum height, front and rear position adjustable, complete the transfer between the flame and the hydride in one minute
Safety: with many kinds of automatic protection, acetylene gas leakage alarm, closed system
With flameout, light control automatic gas protection function, more secure and reliable in laboratory.
iii.Analytic method
Measurement method: air-acetylene flame method, hydride generator atomic absorption method, oxygen-air acetylene flame method.
Concentration calculation: standard curve method (1-3 times curve), auto fitting, standard addition method.
Repetition survey frequency: 1-20times, calculate average value, display standard deviation and relative standard deviation.
Printing result: parameters print, data result print, graph print, summary report.
Software: Windows 98/2000/XP.
Data output mode: instantaneous value, integral value, peak, peak area.
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