Atomfair-AFS863 Sensitive Enhanced Atomic Fluorescence Spectrometer
1. Instrument Features
- The main unit adopts an integrated modular design with a streamlined structure for easy operation and maintenance.
- Optimized excitation angle of light source and PMT, improving the receiving intensity of fluorescence signal, reducing background interference and significantly improving detection sensitivity.
- Equipped with an upgraded atomizer system, the atomization efficiency is greatly improved, the instrument sensitivity is enhanced, and the detection effect for mercury element is better.
- Equipped with a translucent corrosion-resistant magnetic suction front door, which can avoid interference caused by external air disturbance and observe the whole test process in real time.
2. Basic Functions
- Support single-channel detection and dual-channel simultaneous detection modes.
- With single-point, two-point, multi-point standard curve establishment function, and single-point, two-point standard curve correction function.
- Covers comprehensive sample introduction mode control functions such as continuous flow injection and traditional injection.
- Real-time observation of the test process, supporting online adjustment of three-dimensional parameters of the atomizer.
- Adopt pressure self-balanced waste liquid discharge design, no additional waste discharge pump is needed to ensure stable reaction.
- Optional fast intelligent automatic sampler to improve detection efficiency.
- Friendly software interface, can recommend the optimal instrument test conditions; support graphic display, playback, statistics and query of test data, as well as page saving, output, backup and printing of various graphics and data; suspended measurement window can increase the number of display information such as fluorescence intensity and blank value.
- Built-in instrument self-test and gas cut-off early warning protection function to ensure safe and stable operation of the equipment.
- Seamless connection with liquid phase and on-line digestion module to realize speciation analysis of arsenic, mercury, selenium and other elements.
3. Technical Parameters (International Standard)
| Test Item | Parameter Index |
|---|---|
| Test Elements | As, Sb, Bi, Pb, Sn, Te, Se, Zn, Ge, Cd, Hg |
| Detection Limit (DL) | As, Sb, Bi, Pb, Sn, Te, Se: < 0.01 ng/mL; Zn: < 1.0 ng/mL; Ge: < 0.05 ng/mL; Cd, Hg: < 0.001 ng/mL |
| Repeatability (RSD) | 0.5% – 0.6% |
| Linear Range | More than three orders of magnitude |
| Inter-channel Interference | < 0.5% |
| Test Time | 30s / 3 data |
If you’re interested, have any questions, or have specific customization requirements, please feel free to contact us at inquiry@atomfair.com.
How does the Atomfair-AFS863 achieve sub-0.001 ng/mL detection limits for mercury and cadmium?
The AFS863 achieves detection limits for Cd and Hg below 0.001 ng/mL due to an optimized excitation angle of the light source and PMT, which improves fluorescence signal reception while reducing background interference. Additionally, the upgraded atomizer system enhances atomization efficiency, particularly benefiting mercury detection. These design improvements enable ultra-trace analysis without requiring preconcentration steps.
Can the Atomfair-AFS863 be configured for speciation analysis of arsenic and selenium?
Yes, the AFS863 supports seamless connection with liquid phase and online digestion modules to enable speciation analysis of arsenic, mercury, selenium, and other elements. This integration allows researchers to differentiate between toxic and non-toxic forms (e.g., As(III) vs As(V)) without additional hardware modifications, as the instrument's software interface recommends optimal test conditions for each species.
What safety and operational features protect against gas leaks or sample contamination during atomic fluorescence measurement?
The AFS863 includes a built-in instrument self-test and gas cut-off early warning protection function to automatically shut down gas flow if a leak is detected, ensuring safe operation. The translucent corrosion-resistant magnetic suction front door prevents external air disturbance while allowing real-time observation. Additionally, the pressure self-balanced waste liquid discharge design eliminates the need for an external waste pump, reducing potential leak points and maintaining stable reaction conditions.
The Atomfair-AFS863 atomic fluorescence spectrometer delivers sub-ng/mL detection limits for mercury and other hydride-forming elements, supported by an optimized excitation angle and upgraded atomizer that enhance sensitivity while the pressure-balanced waste system removes the need for an external pump. Its dual-channel operation and liquid chromatography integration enable speciation analysis, though the instrument requires a stable gas supply and careful handling of the corrosion-resistant front door to maintain performance.
Positive
- High sensitivity for mercury: Detection limits of <0.001 ng/mL for Cd and Hg, with sub-0.01 ng/mL for As, Sb, Bi, Pb, Sn, Te, and Se, enable trace-level analysis in environmental and biological samples.
- Dual-channel and speciation capability: Supports simultaneous dual-channel detection and seamless connection to liquid chromatography and online digestion modules, allowing speciation analysis of arsenic, mercury, and selenium.
Trade-offs
- Requires stable gas supply: The instrument relies on a continuous gas supply for atomization and operation; gas cut-off early warning is built in, but interruptions can affect analysis and require immediate attention.
- Corrosion-resistant door needs careful handling: The translucent magnetic suction front door is designed to prevent air disturbance, but its magnetic closure and material require careful operation to avoid damage and maintain the sealed environment.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
