Atomic fluorescence part:

Having patented technology1 item:

1. Modular design appearance (patent number:ZL .5）

1. Technical indicators:
◇ Detection limit DL:

AS、Se、Pb、Bi、Sb、Te、Sn ＜0.01μg/L

Hg、Cd ＜0.001μg/L

Ge ＜0.05μg/L

Zn ＜1.0μg/L

Or <3.0μg/L

Relative standard deviation RSD<1%
◇ Linear range: greater than three orders of magnitude

2. Main performance indicators:

1. Suitable for the analysis of twelve elements including arsenic, mercury, selenium, lead, germanium, tin, antimony, bismuth, cadmium, tellurium, zinc, gold, etc. in samples.
2. Measure the four lamp positions and two elements simultaneously.

3. Possessing patented technologymodular designSave maintenance costs, reduce system complexity, unique system scalability, and facilitate user customization.
4. Equipped with a dedicated peristaltic pump with ten rollers, four channels, and each channel can be independently adjusted, which extends the service life of the pump tube.

5. Adopting pulse constant current power supply method: Compared with bundle pulse power supply method, stable constant current power supply method can prolong the service life of element lamps and improve their stability.

6. Can be equipped with a capture trap for measuring harmful elements in exhaust gas using hydride generation atomic fluorescence: capturing harmful gases and effectively reducing physical harm to experimental personnel.

7. Adopting an efficient gas-liquid separation device: the chemical reaction is more complete, and the gas-liquid separation effect is better.
8. Adopting a new closed two-stage gas-liquid separation device: no need to add liquid or discharge waste.
9. Adopting a specially coded hollow cathode lamp: the instrument automatically identifies elements and can monitor the service life of the hollow cathode lamp.
10. Unique designed shielded quartz furnace low-temperature atomizer: reduces fluorescence quenching and gas-phase interference, and improves atomization efficiency.
11. Advanced membrane separation gas-liquid isolation device: always protects the gas path from acid corrosion.
12. The gas system adopts an array structure: it automatically and accurately controls the gas flow rate, and has a new type of throttle device, effectively saving the consumption of argon gas.

13. Including automatic configuration of standard curves一键操作Function: Achieve fully intelligent operation, and can configure the working curve at a single point, automatically dilute high concentration samples, and have up to130 bit 3D automatic sampler.

14.fully automaticIntelligent online optimization analysis condition function: automatic negative high voltage setting, automatic gas path setting, online dynamic adjustment of hollow cathode lamp, dynamic monitoring, power on self-test, automatic diagnosis, automatic fault alarm and other functions.

15. UniqueBlank cleaning monitoringFunction: Monitor the entire process of sample measurement, compare the reaction conditions before sampling and after cleaning, and automatically determine whether the flow path is clean.
16. Adopting ARM microprocessor control chip: with a 32-bit bus, the software can quickly import measurement data into office software, achieve free editing of data, and realize network resource sharing.

17. Applicable toA software workstation under all Windows operating systems, equipped with a powerful expert online assistance system.
18. It can be upgraded to a liquid chromatography atomic fluorescence spectrometer for the analysis of element forms and valence states.

Form section:

3. Modular design, the atomic fluorescence host can be used separately from the morphological analysis unit.

4. Specially designed UV digestion device, no UV light leakage, protecting the human body from damage.

5. Strictly calculate and design the flow path for morphological analysis, with a small volume behind the column to reduce peak broadening.

6. Dedicated data output interface, capable of connecting to various chromatographic workstations.

7. Gradient elution can be performed to shorten analysis time, improve separation, improve peak shape, and shorten peak time.

8. Stable column temperature control improves the separation efficiency of chromatographic columns.

9. Utilizing high UV irradiation intensity to online digest organic compounds and improve instrument analysis performance.

The data acquisition of atomic fluorescence can be output in analog signal mode and directly connected to various chromatographic workstation software for various commodities.

3. Main innovation points:

（1) Modular design appearance

Save maintenance costs, reduce system complexity, unique system scalability, and facilitate user customization.

（2) Blank cleaning monitoring

Monitor the entire process of sample measurement, compare the reaction conditions before sampling and after cleaning, and automatically determine whether the flow path is clean.

（3）一键操作

Realize fully intelligent operation, and can configure the working curve at a single point, automatically dilute high concentration samples, and have up to130 bit 3D automatic sampler.