1、 Product Introduction:

All functions of the HD-AAS8HS-P flame graphite furnace integrated atomic absorption spectrometer are controlled and operated by a PC, equipped with an automatic sampler for fully automatic control, without the need for manual supervision. Unique optical mechanical design, safe and convenient flame system, advanced graphite furnace temperature control technology, optional background technology deduction, and various convenient functions provided by the workstation, meet your pursuit of automation for precise measurement.

2、 Application areas:

It can be widely applied in industries such as geology, metallurgy, medicine, chemical engineering, petroleum, agriculture, environmental protection, and commercial inspection. In recent years, the application of trace and trace element analysis has gradually shifted from inorganic chemistry to organic chemistry.

3、 Performance characteristics

1. Eight position flame graphite furnace integrated machine (optional high-performance element lamp), automatic 3D switching, energy balance, multiple lamp positions preheating at the same time to save waiting time, with ambient lamp buckle background and self-priming buckle background function;

2. The unique integrated design of flame atomizer and graphite furnace atomizer achieves dual modes of automatic and manual switching;

3. Automatic optimization of memory function for instrument settings, one click completion of scanning peak searching, and energy balance;

4. Data reports can be saved in multiple formats and printed out for easy data retrieval and comparison;

5. The instrument software adopts a single interface multifunctional window design, making operation simpler, real-time monitoring of data changes, supporting mainstream Windows operating systems, remote control and calibration, with optional Chinese/English versions, and comprehensive quality control (QC) functions;

6. Advanced and reliable multiple safety protection system, automatically detecting, alarming, and detecting abnormal situations such as insufficient pressure, air leakage, and engine shutdown;

7. Real time monitoring of domestic advanced technology graphite furnace atomizers, equipped with a visual system and a full-color high-definition camera system, to monitor the process of sample injection needle, sample solution drying, ashing, etc. in the graphite tube in real time, including timely adjustment of graphite furnace conditions and extension of graphite tube service life;

8. The automatic sampler system can achieve automatic configuration of standard curves, automatic dilution, and high-precision injection. It can also be expanded to include hydride systems and combination functions;

9. Equipped with an automatic sampler to achieve fully automatic detection function without the need for manual supervision;

4、 Technical indicators:

1. Optical system

Wavelength range: 190-900nm;

8 lamp positions: No need to replace lamps during multi-element analysis;

Wavelength repeatability: ± 0.1nm;

Wavelength accuracy: ± 0.2nm across the entire wavelength range;

Absorption range: 0~2.5 ABS;

Resolution: Able to separate manganese double lines (279.5 and 279.8) with a spectral bandwidth of 0.2nm and a valley to peak energy ratio of<20%;

Spectral bandwidth (6 levels): static baseline drift of 0.1nm, 0.2nm, 0.4nm, 0.7nm, 1.0nm, 2.0nm

≤0.002ABS/30min(Cu)；

Number of gratings: 1800/mm;

D2 background subtraction method: When the background signal is 1ABS, the background subtraction ability is ≥ 50 times;

2. Flame atomization system

Air acetylene flame combustion head: 100mm;

Ignition dynamic baseline drift: ≤ 0.004ABS/30min (Cu);

Sensitivity (Cu) characteristic concentration: ≤ 0.025ug/ml/1%;

Relative standard deviation: ≤ 0.5% (Cu, absorbance>0.2ABS concentration 1ug/ml);

Detection limit (Cu ≤ 0.004ug/ml): Automatically cut off gas when pressure is insufficient, power supply is interrupted, abnormal flameout, or the combustion head is not matched;

3. Graphite Furnace Atomization System

Working temperature of graphite furnace: normal temperature~3000 ℃;

Maximum heating rate: ≥ 2000 ℃ a/s;

Characteristic quantities: Cd ≤ 1pg, Cu ≤ 10pg;

Relative standard deviation of precision: Cd ≤ 3%, Cu ≤ 3%;

Heating and temperature control methods: power control during the drying and ashing stage, maximum power temperature control during the atomization stage by light control;

Safety: overcurrent protection/insufficient protection gas pressure alarm/automatic stop of temperature rise/insufficient cooling water flow alarm/automatic stop of temperature rise;

Power supply: 220VAC;

Power: 7000w;

Automatic sampler: 85 bit, automatically configured standard curve, automatic dilution function, high-precision injection;