Spectrophotometer Atomic Absorption (AAS), Flame type

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