Atomic fluorescence spectrophotometer

1、 Introduction

Atomic fluorescence spectrophotometerAdopting fully automatic intermittent pump injection with dual channels for trace element analysis, the dual channels can simultaneously determine two elements, automatically adjust the dual cathode lamp Canon ratio, improve the stability of the measured elements while significantly reducing memory effects. Fully automatic control, convenient, fast, and accurate.

2、 Application Fields

Atomic fluorescence spectrophotometerWidely used for trace analysis of As, Sb, Bi, Hg, Se, Te, Sn, Ge, Pb, Zn, Cd, Au elements in food hygiene monitoring, environmental sample testing, urban water supply and drainage testing, agricultural product testing, fishery and marine sample testing, geological and metallurgical testing, cosmetics testing, drug testing, soil, feed and fertilizer testing, and clinical medical testing.

3、 Performance characteristics

Measurement method

Dual channel, single element testing, dual element simultaneous testing optional, dual element simultaneous measurement, improves instrument analysis speed.

◆ Light source system

Bundle pulse power supply method, specially designed high-intensity coded hollow cathode lamp; Automatically identify single and dual cathode lamps, and automatically adjust the optimal energy ratio of dual cathode lamps.

Atomizer

Adopting a double-layer shielded quartz atomizer and an argon hydrogen flame low-temperature automatic ignition device, the imported ignition furnace wire has a long service life and low cost, which greatly reduces the memory effect while improving the stability of the measured element.

◆ Light metering system

Adopting a high signal-to-noise ratio photoelectric detection system and a non dispersive fully enclosed light path system with short focal length lens focusing.

◆ Gas liquid separator

Chemical gas-phase gas-liquid separation device, where reactants are fully mixed and in contact, automatically removes a large number of bubbles generated by complex organic components in the body sample online; Secondary gas-liquid separator: equipped with a device for removing water vapor, effectively eliminating water vapor.

◆ Harmful element capture trap device for recovering residual contaminated elements

We use a harmful element capture trap device in atomic fluorescence analysis to recover residual pollutants in the environment (such as arsenic, lead, etc.), especially for the recovery of mercury vapor. It not only avoids secondary pollution in the laboratory but also further protects the safety of instrument operators.

◆ Equipped with automatic online detection function

4、 Upgrade function

The pre-processing module for configuration morphology analysis can perform morphology analysis of As, Hg, Se, and Sb (and both As and Sb morphologies can be analyzed simultaneously);

Reserved fixed injection cadmium detection device interface, which can directly detect cadmium in solid and liquid samples.

Reserved interface for solid injection mercury detection device, which can directly detect mercury in solid and liquid samples.

A powerful Windows 7/XP software workstation in both Chinese and English. Reserve expert assistance system to recommend the best instruments.

5、 Technical parameters

1. Detection limit (D.L.): As, Se, Pb, Sn, Te, Bi, Sb<0.01 µ g/L; Hg and Cd<0.001 µ g/L; Ge <0.05µg/L ； Zn<1.0 µ g/L. Accuracy (RSD):<0.8%.

2. Linear range of three to four orders of magnitude;

3. Can be simultaneously measured in two channels for trace analysis of eleven elements including As, Sb, Bi, Hg, Zn, Cd, etc;

4. Adopting encoded hollow cathode lamp technology, the software automatically identifies the type of hollow cathode lamp;

5. The newly designed mechanical mechanism is more compact, using the same reference optical plane to achieve better coincidence between the center of the atomizer and the optical focal point;

6. Adopting a separated chemical reaction system, the hydride reaction is uniformDone*The gas water separation effect is better;

7. Automatic diagnosis and detection upon startup, automatic setting of lamp current and air flow rate;

8. Power on self-test, automatic air circuit control, automatic protection, and automatic alarm;

9. Double layer shielded quartz atomizer, automatically ignites argon hydrogen flame;

10. The electromagnetic valve island automatically controls the gas path, making the gas flow rate more stable;

11. Dynamic follow-up noise reduction technology improves the anti-interference ability of the instrument and avoids background interference caused by stray light;

12. New analog and digital separation circuit design effectively eliminates inter channel interference;

13. Automatic alarm for critical gas pressure to prevent backfire and explosion;

14. Upgradeable support for elemental morphology analysis testing.

15. A simple, fast, and powerful atomic fluorescence software workstation that supports Windows XP, Windows 7, and Windows 8 operating systems;

16. Communication automatic detection and real-time connection with atomic fluorescence host;

17. Support two testing methods: peak height integration and peak area integration;

18. Adopting the latest USB2.0 communication interface, it has higher communication speed and better compatibility with computer systems;

19. Real time chart of test data, dynamic scaling of graphics, and graphics playback browsing function;

20. The graphical interface can display and hide, making it more convenient and intuitive to view data;

21 supports packaging, archiving, and storing test data, and recalling browsing functions;

22. Personalized software interface, easy and fast operation;

autosampler

1. The robotic arm of the powered automatic sampler automatically resets to zero;

2. The software automatically recognizes the automatic sampler upon startup;

3. High precision polar coordinate robotic arms with a displacement deviation of within 0.1mm;

4. Rotary array with 160 sample disks, using standard 10mL (1-158 positions) and 30ml (159.160 positions) sample tubes;

5. Large capacity flow channel, small hole low diffusion cleaning position, effectively eliminating contamination of the current by residual sampling needles and cross contamination between samples;

6. Reset the zero point of the cleaning position coordinates to minimize accumulated errors in movement;

7.3 motors independently control optocouplers to shorten sampling time;

8. Smooth operation, fast and accurate, low noise, and no sample dripping phenomenon;

9. Upgradeable installation of UV online digestion device.

2. Technical Services

2.1 User Support: The seller provides users with a one-year warranty service.

2.2 Instrument installation, acceptance, and training: The seller shall arrange technical personnel from the instrument manufacturing plant to install the instrument on site, only when the instrument is installedThe installation of the instrument can only be considered fully completed after normal operation and confirmation by the buyer. Provide training to the users on the installation site of the instrument.

3. Configuration