Atomfair-AFS-739 Technical Atomic Fluorescence Spectrometer
1. Core Features of the Instrument
- Adopts internal pipeless modular design, special modules can be selected and matched according to different application scenarios such as environment and food to ensure the test results are more accurately adapted to the demand.
- Equipped with a continuous sampling system, which greatly improves the test stability and efficiency of the instrument, and can complete 3 data tests in 30 seconds.
- Selected high-quality imported components, effectively enhancing the durability and reliability of the instrument during long-term operation.
- Supports software upgrade, after upgrading, functions such as audit trail, correction function and rapid establishment of standard curve can be added, making the operation process more convenient and efficient.
2. Basic Functions of the Instrument
- It has single-channel detection and dual-channel simultaneous detection functions to flexibly meet different testing requirements.
- Supports the establishment of standard curves with single point, two points and multiple points, and provides single point and two point standard curve correction functions at the same time to ensure the accuracy of test data.
- Covers comprehensive sampling mode control functions such as continuous flow sampling and traditional sampling, suitable for various testing scenarios.
- Real-time observation of the test process is available, and three-dimensional parameters of the atomizer can be adjusted online to facilitate the optimization of test conditions.
- Adopts pressure self-balanced waste liquid discharge design, no additional pump is required for waste discharge, making the reaction process more stable.
- Optional fast intelligent automatic sampler to further improve detection efficiency and automation level.
- Equipped with a friendly software interface, which can recommend the optimal instrument test conditions; supports graphic display, playback, statistics and query of test data, and provides functions such as page saving, output, backup and printing of various graphics and data; the suspended measurement window design 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 functions to comprehensively ensure the safe and stable operation of the instrument.
- It can be seamlessly connected with liquid phase and online digestion modules to realize speciation analysis function of elements such as arsenic, mercury and selenium.
3. Key Technical Specifications
| Test Item | Technical Parameter |
|---|---|
| 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) | 0.4%-0.5% |
| Linear Range | More than three orders of magnitude |
| Inter-channel Interference | < 0.5% |
| Test Time | 30s / 3 times of data |
If you’re interested, have any questions, or have specific customization requirements, please feel free to contact us at inquiry@atomfair.com.
How do detection limits for different elements compare on the Atomfair AFS-739?
Detection limits vary by element. For hydride-forming elements (As, Sb, Bi, Pb, Sn, Te, Se) the limit is <0.01 ng/mL; for Ge it is <0.05 ng/mL; for Zn <1.0 ng/mL; and for Cd and Hg <0.001 ng/mL. These differences stem from the choice of hydride generation, cold vapor, or other atomization methods appropriate to each element.
Can the Atomfair AFS-739 be coupled with an autosampler or HPLC for automated speciation analysis?
Yes, the instrument supports an optional fast intelligent automatic sampler to boost automation. It can also be seamlessly connected with liquid phase and online digestion modules, enabling speciation analysis of elements such as arsenic, mercury, and selenium.
What safety features does the Atomfair AFS-739 include for long-term continuous operation?
The instrument features a built-in self-test and gas cut-off early warning protection function to ensure safe and stable operation. Additionally, its pressure self-balanced waste liquid discharge design eliminates the need for an external pump, reducing potential failure points and improving reaction stability.
The Atomfair-AFS-739 atomic fluorescence spectrometer delivers sub-ng/mL detection limits for hydride-forming elements and mercury, with dual-channel operation and a continuous sampling system that completes three data tests in 30 seconds, making it suitable for high-throughput environmental and food analysis. Its modular, pipeless design and optional liquid chromatography/online digestion integration enable speciation analysis of arsenic, mercury, and selenium, though users must account for the need for hydride generation reagents and the instrument's sensitivity to gas supply stability.
Positive
- High-sensitivity multi-element detection: Achieves detection limits below 0.01 ng/mL for As, Sb, Bi, Pb, Sn, Te, Se and below 0.001 ng/mL for Cd and Hg, enabling trace-level quantification in environmental and food matrices.
- Rapid continuous sampling with dual-channel: The continuous sampling system completes three data tests in 30 seconds, and dual-channel simultaneous detection doubles throughput, improving efficiency for routine laboratory workloads.
Trade-offs
- Requires hydride generation reagents: Analysis of the listed elements depends on hydride generation techniques, requiring fresh acid and reductant solutions and careful pH control to maintain signal stability and accuracy.
- Gas supply and exhaust dependency: The instrument relies on a stable supply of high-purity argon and proper fume exhaust for the atomizer; interruptions or impurities can degrade the argon-hydrogen flame stability and compromise detection limits.
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).
