Κωδικός: 000633
Φασματοφωτόμετρο Ατομικής Απορρόφησης πλήρες (AAS), Τεχνικές Φλόγας. Οικονομική λύση
Specification:
Wavelength range 190-900nm
Wavelength accuracy ±0.5nm
Resolution : Two spectral lines of Mn at 279.5nm and 279.8nm can be separated with the spectral bandwidth of 0.2nm and valley-peak energy ratio less than 30%.
Baseline stability 0.005A/30min
Background correction The D2 lamp background correction capability at 1A is better than 30 times.
Light Source System : Lamp number 2 lamps (one preheating)
Lamp current adjustment :
Micro-computer control
Adjustment range: 0~20mA,
Lamp power supply mode : Powered by square pulses
Optical System Monochomator
Single beam, Czerny-Turner design grating monochromator
Grating 1800 l/mm
Focal length 277mm
Blazed Wavelength 250nm
Spectral Bandwidth 0.1nm, 0.2nm, 0.4nm, 1.2nm
Detection and Data Processing System Detector :
Photomultiplier with high sensitivity and wide spectral range.
Electronic and micro-computer system
Light energy and negative high-voltage auto-balance
Display mode :LED display of energy and measurement values, concentration direct reading
Read mode:
transient, integral, peak height, peak area.
Integral or sampling time is in the range of 0.1-19.9s.
Scale expansion 0.1~99
Data processing mode :
Automatic calculation of mean, standard deviation and relative standard deviation. Repeating number is in the rang of 1-99
Measurement mode : 3~7 standards can be determined for curve fitting. Sensitivity correction available.
Result printing : Measurement data, working curve, signal profile and analytical conditions can all be printed out.
Instrument self-check : Check current status of each function key
Flame Analysis :Burner 10cm single slot all-titanium burner
Spray chamber : All-plastic spray chamber.
Nebulizer : High efficiency glass nebulizer with metal sleeve.
Position adjustment :Adjusting mechanism for vertical, horizontal positions and the rotation angle of the burner.
Gas line protection :Fuel gas leak alarm
Characteristic Concentration and Detection Limit :
Air-C2H2 flame
Cu: Characteristic concentration≤0.025mg/L, Detection limit≤0.006mg/L;
Function Expansion:
Flameless analysis with WF-1C graphite furnace system available.
Hydride vapor generator can be connected for hydride analysis.
Dimensions and Weight : 1020 x 490 x 540 mm, 80kg unpacked
Περιορισμένη διαθεσιμότητα