Complaint
Features:
This AAS machine is complete automatic controlling system;
The AA spectrophotometer can be worked with advanced graphite furnace temperature controlling technology;
Safe, reliable and convenient flame system;
Multi-functional software workstation;
This flame system atomic absorption spectrophotometer is ompletely controlled by PC, can flexibly select the flame and graphite furnace atomizer (optional);
Integrated floated optical platform design can obviously improve the optical system shock resistance and can keep stable though use the optical signal for a long term;
Eight light stands can be changed automatically and preheat the eight element lights meantime as well as optimize the working condition of the hollow cathode lamp;
Position adjusting: the best height of the flame burner and can automatically set the front and rear positions;
Fully automated wavelength scanning and peak searching;
Complete safety chains protection equipment: the function of warning and automatic safety protection towards the wrong burner, leakage of the gas, under voltage of air and the abnormal flameout;
Deuterium lamp and self-absorption background regulation;
Data processing: super strong database, possesses more than 500 data self-storage and cut-off storage function, can store the analyzed result with the form of EXCEL and the testing method and the result can be randomly called;
Measuring method of AAS machine: flame absorption method and emission method;
Result printing: parameter printing, data result printing and diagram printing;
Instrument Configuration:
Atomic Absorption Spectrophotometer 1pc
Air compressor without noise 1pc
PC workstation: computer, HP inkjet, apparatus operating software (the object can be prevailed on the specific configuration)
A set of accessories (including Acetylene reducing valve, one copper and manganese element lamp and air filter)
Specifications of Atomic Absorption Spectrophotometer:
| Wavelength range | 190 ~ 900nm |
| Spectral bandwidth | Can automatically change between 0.1nm, 0.2nm, 0.4nm, 1.0nm and 2.0nm |
| Accuracy of the wavelength | ±0.15nm |
| Receptivity of the wavelength | ≤0.04nm |
| Base line stability | ≤0.002A/30min (Cu) |
| Characteristic viscosity | 0.02μg/ml/1% (Cu) |
| Checking limit | 0.004μg/ml (Cu) |
| Preciseness | 0.5% |
| Grating | 1800 lines/mm |
| Inflamer | All-metal titanium burner |
| Atomizer | Effective glass atomizer |
| Lamp stand | Eight lamps |
| D2 background correction ability | When the background is 1 A, the background ability should be deducted not less than 50 times; self absorption background deduction method |
| Size and weight | 700mm×550mm×450mm 75Kg |
| Power source | 220V±22V AC |
Flame System Atomic Absorption Spectrophotometer:
| Acetylene air burner | 100mm |
| Nitrous oxide acetylene flame head | 50mm |
| Ignition dynamic baseline drift | ≤0.006A/30min |
| (Cu) Characteristic viscosity | ≤0.025μg/ml/1% |
| Related standard deviation of the accuracy | ≤0.5%(Cu, absorbance>0.8A) (detection limit Cu≤0.008μg/ml) |
| Safety system | Can automatically cut off the gas when the pressure is not enough, the power is off, flameout and unconformity of the burner |
Graphite Furnace Atomic Absorption Spectrophotometer:
| The highest temperature | 3000ºC |
| The largest temperature rising speed | ≥2000ºC/S |
| Characteristic quantity | Cd≤0.5×10-12g Cu≤0.5×10-11g |
| Accuracy | Cu≤3% Cd≤3% |
| Size and weight | 550mm×450mm×300mm 65Kg |
| Safety system | Over current protection |
| Protection | Low air pressure alarm, low cooling water flow alarm |
| Power source and power | 220V±22V AC 7000W |
