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LC-AFS6000 liquid chromatography atomic fluorescence spectrometer
Instrument Introduction: LC-AFS6000 Liquid Chromatography Atomic Fluorescence Spectrometer is a new type of element morphology detection instrument in
Product details

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 constant current drive and pulse power supply mode;
3. Specially designed shielded quartz furnace low-temperature atomizer reduces fluorescence quenching and gas-phase interference, improving atomization efficiency;
4. Adopting a gas-liquid separation system for chemical vapor reaction injection (patent ZL 2018208304278);
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 to save argon gas consumption;
7. The instrument has functions such as 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 strong and weak current separation, high integration functional board card structure;
10. The instrument can achieve a single point configuration working curve and automatically dilute high concentration samples;
11. Suitable for Windows 7/8/XP operating software, with a powerful expert online help system;
12. The software can quickly import measurement data into EXCEL and achieve network resource sharing;

Morphological analysis performance characteristics:
1. Suitable for the analysis of the forms and valence states of elements such as arsenic (As), mercury (Hg), selenium (Se), antimony (Sb), etc;
2. Integrated design of morphological unit, integrating separation unit, column temperature control, UV digestion, and steam generation;
3. Adopting a miniature imported high-pressure liquid phase pump with column temperature control and display to improve sample separation efficiency.
4. UV digestion unit, optimized pipeline, reduced post column broadening, and improved digestion efficiency by 30%;
5. It has two modes: ultraviolet and non ultraviolet, controlled by a specially designed flow path switching valve for easy switching;
6. Total analysis and morphological analysis are conducted using a dual vapor generation system;
7. Switching device for analytical function of liquid chromatography atomic fluorescence spectrometry (patent ZL 2014202805509);
9. Fast measurement speed, with a single measurement time of less than 10 minutes;
10. Specialized morphological analysis software, integrated control, ensuring consistent peak time and improving measurement stability;
11. Expanded interface with automatic liquid chromatography sampler.

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. Based on BCEIA Gold Award product technology, dual channel and two element fully automatic measurement, with a single measurement time of less than 40 seconds;
3. 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;
4. 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;
5. Sample/current isolation technology to eliminate the influence of diffusion effects on measurement results;
6. Compatible with infusion pump mode and peristaltic pump mode to meet the needs of users in different industries;
7. Adopting a ten roller, six channel large peristaltic pump ensures smooth injection and reduces pulsation effects.


Atomic Fluorescence Part

1)Detection limit(D.L.): AsPbSeBiSnSbTe,< 0.01µg/L

HgCd0.001µ g/LGe0.05µ g/LZn1.0µ g/LAu3.0µg/L

2)Precision<0.7%

3)Linear range:More than three orders of magnitude.


Morphological analysis section

1. Detectable forms of arsenic

Qualitative 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 RoxarsoneRoxarsone

Qualitative and semi quantitative detection: Methyl arsenite acid[MMA(III)]Dimethyl arsenite acid[DMA(III)]Sulfur compounds of dimethyl arsenic acid

Qualitative detection: arsenic sugar(AsS

2.Detectable forms of selenium

Qualitative and quantitative detection: Selenite salt[Se(IV)]Selenate salt[Se(VI)]Selenocysteine(SeCys)Selenomethylselenocysteine(SeMeCys)And selenomethionine(SeMet Tetravalent selenium (Se (IV)), hexavalent selenium (Se (VI)),Selenium polysaccharides, selenium peptides, selenium proteins, etc

3.Detectable forms of mercury

Qualitative and quantitative detection: inorganic mercury(Hg(II))Methylmercury(MetHg)Ethyl mercury(EtHg)Benzene mercury(PhHg)

4.Detectable forms of antimony

Qualitative and quantitative detection: antimonate[Sb(V)]Trivalent antimony[Sb(III)] Inorganic antimony (Sb), pentavalent antimony (Sb (V)), methyl antimony, etc


Morphological technical indicators

elemental speciation

minimum detectable quantity

ng

Analysis Timemin

Precision(RSD

linear range

correlation coefficient

As

As(III)

0.04

<10

<4.5%

103

0.999

DMA

0.08

MMA

0.08

As(V)

0.2

Se

SeCys

0.3

<10

SeMeCys

1

Se(IV)

0.1

SeMet

2

Hg

Hg(II)

0.05

<12

MeHg

0.05

EtHg

0.05

PhHg

0.1

Sb

Sb(V)

0.5

<10

Sb(III)

0.1

Temperature: 15 ℃~35 ℃

Humidity: ≤ 85%

Power: ≤ 1000W
Applicable power supply: 220V (AC) 50Hz

Working power supply: 220V ± 10% 50Hz


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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