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LC-AFS6500 liquid chromatography atomic fluorescence spectrometer
Instrument Introduction: LC-AFS6500 series liquid chromatography atomic fluorescence spectrometer adopts highly integrated design and software control
Product details

Characteristics of Atomic Fluorescence Total Analysis Performance:

Suitable for trace analysis of elements such as arsenic, mercury, selenium, lead, germanium, tin, antimony, bismuth, cadmium, tellurium, zinc, gold, etc. in samples.
Dual channel measurement of two elements simultaneously.
● Light source: Adopting dual position hollow cathode lamps and pulse power supply method.
Optical system: Dual channel short focal length lens for focusing and equipped with a device for removing stray light.
Equipped with automatic deduction circuits for inter channel interference and DC drift, reducing instrument drift and improving instrument stability.
The built-in intermittent flow injection device, which combines imported injection pump and peristaltic pump, ensures accurate injection volume while overcoming corrosion and leakage of injection pump. At the same time, the sample and blank are alternately introduced for online cleaning and mechanical power to eliminate waste liquid, prevent cross contamination, and save sample and reagent usage.
Atomizer: Argon hydrogen flame, shielded quartz furnace atomizer.
Gas path system: equipped with automatic gas path protection device, capable of automatic control of gas path and automatic diagnosis, and automatic control of gas flow rate.
Fully automatic and intelligent operation, disc automatic sampler, with up to 183 positions per sample disc.
The instrument can achieve single point configuration of working curves and automatically dilute high concentration samples.
The circuit system adopts strong and weak current separation, high integration modular electrical design, and maintenance is more convenient.
Specialized Windows/2000/7/8 operating software with a powerful expert online assistance system.
The software can quickly import measurement data into EXCEL and achieve network resource sharing.
Configure a capture trap device that can adsorb harmful exhaust gases emitted by the instrument.

Performance characteristics of morphological analysis:
Can perform morphological analysis on elements such as arsenic, mercury, selenium, antimony, etc. in the sample.
The fully automatic UV digestion unit has two modes: UV and no UV. It automatically switches the UV digestion lamp and valve through a specially designed flow path, making it easy to switch without changing the flow path.
Adopting a miniature dual high pressure binary liquid phase pump imported from Germany.
● It can achieve integrated control of the whole machine: the morphology preprocessing part has a separate continuous flow vapor generation system, which is separated from the fluorescence detector (total amount analysis) and automatically switches between total amount and morphology analysis. The morphological preprocessing part is mechanically integrated with the liquid-phase separation device.
UV digestion device: Add an inner wall coating reflective device to fully utilize ultraviolet light and prevent ultraviolet light leakage, protecting the human body from damage.
● Shape analysis flow path, small volume behind the column; The online digestion device avoids the broadening of peak shape after column and improves the analytical performance of the instrument.
Specialized liquid chromatography injection and separation system and corresponding color light coupling interface, which can be connected to multiple chromatography workstations.
The independent element morphology analysis and processing device adopts an integrated design, including digestion, separation, column temperature box, column temperature control, reaction system, and peristaltic pump system.
After liquid chromatography injection, the six way valve is triggered, and the workstation automatically collects data. The spectrum is recorded completely and the peak time is consistent.
Equipped with dedicated chromatography spectroscopy detection software, it can achieve total or form detection. The software can control the atomic fluorescence part, as well as reverse control the liquid chromatography and liquid phase automatic sampler parts; It can achieve integrated control of the whole machine, and data processing can be matched with various general-purpose chromatography workstation software.

Technical indicators for atomic fluorescence total analysis

Detection limit (D.L): As, Pb, Se, Bi, Sn, Sb, Te
<0.01 µ g/L Hg, Cd<0.001 µ g/L, Ge<0.05 µ g/L, Zn<1.0 µ g/L, Au<3.0 µ g/L
Precision ≤ 0.8%
● Linear range: greater than three orders of magnitude

Morphological analysis technical indicators
Detection limit (ng):
As(Ⅲ)<0.04; DMA<0.08 ; MMA<0.08; As(Ⅴ)<0.2; Analysis time<10 minutes
Hg(II) <0.05; MeHg<0.05; EtHg<0.05; PhHg<0.1; Analysis time<15 minutes
Precision ≤ 5.0%
● Linear range of three orders of magnitude or more
● Correlation coefficient:> zero point nine nine nine

Patent technology:

Dual Chemical Reaction System of New Liquid Chromatography Atomic Fluorescence Coupled Instrument ZL 2014202805532

Liquid Chromatography Atomic Fluorescence Coupled Instrument Analysis Function Switching Device ZL 2014202805509


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