Graphite Furnace Atomic Absorption Spectrometer

1. Product Introduction:

HD-AAS8S graphite furnace atomic absorption spectrometer has high analytical accuracy and thoughtful humanized design, which can fully meet the various specific needs of different customers. And according to different analysis needs, automatic sample injector, hydride generator, etc. can be selected.

2. Application Field:

It can be widely used in geology, metallurgy, medicine, chemical industry, petroleum, agriculture, environmental protection, commodity inspection and other industries. The analysis and application of trace elements has gradually penetrated from inorganic chemistry to organic chemistry in recent years.

3. Performance characteristics

1. Eight lamp positions (optional high-performance element lamp), automatic three-dimensional switching, energy balance, multi-lamp position simultaneous preheating to save waiting time, with permanent lamp background and self-absorption background function;

2. Instrument setting conditions automatically optimize memory function, one-click completion of scanning peak search, energy balance ※ Multi-format data report storage and print output, convenient data query and comparison;

3. The instrument software adopts a single-interface multi-function window design to make operation simpler, real-time monitoring of data changes, support mainstream Windows operating system, support remote control and calibration, Chinese/English version optional, with comprehensive quality control (QC) function;

4. Advanced and reliable multiple safety protection system, automatic detection, alarm, such as insufficient pressure, leakage Gas, flameout and other abnormal conditions;

5. Real-time monitoring of domestic advanced technology graphite furnace atomizer to extend the service life of graphite tube;

6. Automatic sampler system can realize automatic configuration of standard curve, automatic dilution, high-precision sample injection ※EPC electronic flow control, high-efficiency atomizer, all-titanium combustion system;

7. Expandable: hydride system and combined function, can be equipped with automatic sampler;

8. Multiple ways to save test results, sample storage records 1-500;

4. Technical indicators:

1. Optical system

Detector: Hamamatsu photomultiplier tube of Japan;

Wavelength range: 185nm-900nm;

Wavelength indication error: ≤±0.1nm;

Wavelength repeatability: ±0.025nm;

Baseline drift: 0.0 03ABS/30min (static) 0.005ABS/15min (dynamic);

Spectral bandwidth deviation (resolution): Cu324.7nm wavelength 0.2nm bandwidth half width 0.2nm±0.01nm;

Light source system: turret type fully automatic switching lamp holder;

Element lamp lighting mode: 400Hz1/4 duty cycle pulse lighting;

Lamp current adjustment: (0-10)mA (average current) software adjustment;

Monochromator type: Czerny-Turner enhanced type;

Grating line density: 1800;

Spectral bandwidth: 0.1nm, 0.2nm, 0.4nm, 1.0nm multi-speed automatic switching;

2. Graphite furnace atomization system

Detection limit: 1 .5pg;

Precision: ≤3%;

Heating temperature range: room temperature-3000℃;

Heating speed: 2000℃/s;

Temperature control accuracy: 1%;

Heating condition setting: 19 steps, ramp heating, step heating, maximum power heating, heating monitoring and reverse measurement system;

Safety protection: air pressure system, cooling system fault protection, power monitoring;

Background correction (deuterium lamp): ≥60 times at 1ABS;

Background correction (self-absorption): ≥60 times at 1ABS;

Data processing: Linear regression method automatically fits the working curve and automatically calculates the results;

Number of samples: 1-99;

Result output: multi-format data storage and print output;

Communication interface: standard RS232, USB expansion interface;

Product's Website：http://en.huoerd.com/yzxsfggdj/1792.html