1. PossessionSwitching device for analytical function of liquid chromatography atomic fluorescence combined instrumentPatent (ZL)2014202805509)Technology.
2. High sensitivity detection mode, meeting lower detection requirements for inorganic arsenic and methylmercury.
3. Suitable for the analysis of the forms and valence states of elements such as arsenic, mercury, selenium, antimony, etc.
4. Integrated design of morphological units: integrating infusion pump, separation unit, online UV digestion, column temperature control, injection valve, steam generation, and gas-liquid separation
Integrated system.
5. Gradient analysis and isometry analysis functions are optional, fully meeting the detection requirements for inorganic arsenic and organic mercury in the national food standard GB5009.
6. Shorten the equilibrium and cleaning time of the chromatographic column, and extend the lifespan of the chromatographic column.
7. Four lamp position design, capable of preheating multiple element lamps simultaneously, saving working time.
8. A dedicated workstation with integrated control to achieve control and detection of all functional modules.
9. A specially designed environmentally friendly online digestion device that quickly switches between ultraviolet and non ultraviolet modes.
10. It has the function of measuring multiple elemental forms simultaneously.
11. It can be equipped with multiple types of liquid phase automatic samplers to achieve unmanned operation.
12. Optimized pipeline design to shorten analysis time, with pentavalent arsenic (isovalent) analysis time less than 7 minutes.
13. Optional arsenic and mercury chromatography column automatic switching function
Performance characteristics of total analysis:
1. Suitable for trace analysis of elements such as arsenic, mercury, selenium, lead, germanium, tin, antimony, bismuth, cadmium, tellurium, zinc, gold, etc. in samples.
2. The host and injection pump are designed as an integrated steam generation system for sequential injection, with a specially designed corrosion-resistant imported injection pump.
3. Equipped with a low-noise 183 position polar coordinate sampler with a cleaning position or an X, Y, Z 3D 130 position slide rail automatic sampler.
4. Sample/current isolation technology to eliminate the influence of diffusion effects on measurement results.
5. Compatible with infusion pump mode and peristaltic pump mode, meeting the needs of users in different industries.
6. Unique injection pump combined with peristaltic pump steam generation technology (patent ZL 2012207399837 for a sequential injection steam generation system), with alternating introduction of samples and current carriers to achieve online cleaning,
Eliminate cross contamination, save sample and reagent usage, and use mechanical power to remove waste liquids.
7. Pinch valve application technology, replacing traditional one-way valves and multi pass valves, with reagents not in contact with the valve body, no corrosion, and no memory,
High reliability, with a lifespan of over 500000 cycles.
8. Adopting a ten roller, six channel large peristaltic pump ensures smooth injection and reduces pulsation effects.
Host features:
1. It can be used for both morphological analysis and total analysis, with one machine for two purposes, saving costs.
2. High performance coding hollow cathode lamp, instrument automatic recognition, can monitor service life. The cathode lamp adopts a constant current drive and pulse power supply method.
3. Specially designed shielded quartz furnace low-temperature atomizer reduces fluorescence quenching and gas-phase interference, improving atomization efficiency.
4. Adopting a newly designed gas-liquid separation device (patent ZL 2012207400317 for a vapor generation and gas-liquid separation system).
5. Adopting a new closed two-stage gas-liquid separation device, there is no need to add liquid or discharge waste.
5. Membrane separation gas-liquid isolation device.
6. The gas system adopts an array structure and has a new type of throttle device, effectively saving the consumption of argon gas.
7. The instrument has the functions of power on self-test, automatic diagnosis, and automatic fault alarm.
8. Equipped with an argon hydrogen flame observation window, it can monitor the flame status in real time.
9. The circuit system adopts a high integration functional board card structure with strong and weak current separation.
10. The instrument can achieve a single point configuration working curve and automatically dilute high concentration samples.
11. The software can quickly import measurement data into EXCEL and achieve network resource sharing.
Atomic Fluorescence Part1()Detection limit(D.L.):As、Pb、Se、Bi、Sn、Sb、 0.01Te
,<µg/LHg0.001Cd<µ g/L0.05Ge<µ g/L1.0Zn<µ g/L3.0Au
<2µg/L
(3)Precision<0.7%()Linear range
:
1More than three orders of magnitude.. Morphological analysis section
)Detectable forms of arsenicQualitative and quantitative detection: arsenate[As(V)]Arsenate salt[As(III)]Monomethylated arsenic acid[MMA(V)]Dimethyl arsenic acid[DMA(V)]Arsenic betaine(AsB)Arsenic choline(AsC)Organic arsenic preparations in feed(arsanilic acidP-ASAAnd Roxarsone
Roxarsone)Qualitative and semi quantitative detection: Methyl arsenite acid[MMA(III)]Dimethyl arsenite acid
[DMA(III)]Sulfur compounds of dimethyl arsenic acidQualitative detection: arsenic sugar
2(AsS.)
)Detectable forms of seleniumQualitative and quantitative detection: Selenite salt[Se(IV)]Selenate salt[Se(VI)]Selenocysteine(SeCys)Selenomethylselenocysteine(SeMeCys)And selenomethionine (SeMet)
3Tetravalent selenium (Se (IV)), hexavalent selenium (Se (VI)),.Selenium polysaccharides, selenium peptides, selenium proteins, etc
)Detectable forms of mercuryQualitative and quantitative detection: inorganic mercury(Hg(II))Methylmercury(MetHg)Ethyl mercury(EtHg)
4Benzene mercury.(PhHg)
)Detectable forms of antimonyQualitative and quantitative detection: antimonate[Sb(V)] Trivalent antimony
[Sb(III)]
Inorganic antimony (Sb), pentavalent antimony |
(Sb(V)), Methyl antimony, etc Morphological technical indicators: |
elemental speciationminimum detectable quantity |
ngAnalysis Timemin |
Precision( |
RSD |
|
) |
linear range |
0.04 |
correlation coefficient |
AsAs(III) |
103 |
<100.999 |
<4.5 |
0.08 |
|||||
% |
0.08 |
|||||
> |
0.2 |
|||||
DMA |
MMA |
0.3 |
As(V) |
|||
Se |
1 |
|||||
SeCys |
0.1 |
|||||
<10 |
2 |
|||||
SeMeCys |
Se(IV) |
0.05 |
SeMet |
|||
Hg |
0.05 |
|||||
Hg(II) |
0.05 |
|||||
<12 |
0.1 |
|||||
MeHg |
EtHg |
0.5 |
PhHg |
|||
Sb |
0.1 |
Sb(V)
<10
Sb(III)
Temperature: 15 ℃~35 ℃
Humidity: ≤ 85%
Power: ≤ 1000W
Applicable power supply: 220V (AC) 50Hz
Working power supply: 220V ± 10% 50Hz