Products

Model:
HD-AAS4HS
Introduction:
Atomic Absorption Spectrophotometer (Flame-Graphite Furnace) measures trace and ultra-trace elements with high precision. Widely used in geology, metallurgy, medicine, chemical, petroleum, agriculture, environmental protection and commodity inspection....
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The flame-graphite furnace combined atomic absorption spectrophotometer offers high analysis precision and a thoughtful humanized design, fully meeting the various specific needs of different customers. An autosampler, hydride generator, etc. can be optionally configured according to different analysis needs.
It can be widely used in geology, metallurgy, medicine, chemical industry, petroleum, agriculture, environmental protection, commodity inspection and other industries. For the analysis of trace and ultra-trace elements, in recent years it has gradually expanded from inorganic chemistry to organic chemistry.
1. Four, six or eight lamp positions selectable (high-performance element lamps optional); automatic three-dimensional switching, energy balancing, simultaneous preheating of multiple lamp positions to save waiting time; with deuterium lamp background correction and self-absorption background correction functions.
2. Unique integrated design of flame atomizer and graphite furnace atomizer, realizing dual modes of automatic switching and manual switching.
3. Instrument setting conditions automatic optimization and memory function; one-key completion of scanning peak finding and energy balancing.
4. Data report multi-format saving and printing output for convenient data query and comparison.
5. The instrument software adopts a single-interface multi-functional window design, making operation simpler, real-time monitoring of data changes, support for mainstream Windows operating systems, support for remote control and calibration, Chinese/English versions optional, and comprehensive quality control (QC) functions.
6. Advanced and reliable multiple safety protection system, automatically detecting and alarming on abnormal conditions such as insufficient pressure, gas leakage and flameout.
7. Expandable: hydride system and coupling functions.
| Detector | Hamamatsu photomultiplier tube (Japan) |
| Wavelength range | 185 nm-900 nm |
| Wavelength indication error | ≤±0.1 nm |
| Wavelength repeatability | ±0.025 nm |
| Baseline drift | 0.003 ABS/30 min (static); 0.005 ABS/15 min (dynamic) |
| Spectral bandwidth deviation (resolution) | At Cu 324.7 nm, 0.2 nm bandwidth, half-width 0.2 nm ±0.01 nm |
| Light source system | Turret-type fully automatic lamp-changing rack |
| Element lamp ignition mode | 400 Hz, 1/4 duty cycle pulse ignition |
| Lamp current adjustment | (0-10) mA (average current), software-adjustable |
| Monochromator type | Czerny-Turner enhanced type |
| Grating line density | 1800 lines/mm |
| Spectral bandwidth | 0.1 nm, 0.2 nm, 0.4 nm, 1.0 nm multi-stage automatic switching |
| Burner | 0.5 mm × 100 mm all-titanium burner |
| Nebulizer | Metal-sleeve high-efficiency glass nebulizer |
| Repeatability | RSD ≤0.7% |
| Detection limit | ≤0.006 µg |
| Detection limit | 1.5 pg |
| Precision | ≤3% |
| Heating temperature range | Room temperature - 3000 ℃ |
| Heating rate | 2000 ℃/s |
| Temperature control accuracy | 1% |
| Heating condition settings | 11 steps, ramp heating, step heating, maximum power heating, heating monitoring and inverse measurement system |
| Safety protection | Gas pressure system and cooling system fault protection, with power monitoring |
| Background correction (deuterium lamp) | ≥60 times at 1 ABS |
| Background correction (self-absorption) | ≥60 times at 1 ABS |
| Data processing | Linear regression automatic working curve fitting, automatic result calculation |
| Sampling quantity | 1-99 |
| Result output | Multi-format data storage and printout |
| Communication interface | Standard RS232, USB expansion interface |
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