ODM Single Graphite Furnace Atomic Absorption Spectrophotometer AAS
Single Graphite Furnace Atomic absorption Spectroscopy aas Atomic Absorption Spectrometer
Introduction of Atomic Absorption Sepctrophotometer
Atomic absorption spectrometer, also known as atomic absorption spectrophotometer, analyzes metal elements according to the effect of atomic vapor in the ground state of matter on characteristic radiation absorption, and it can sensitively and reliably determine minor or trace elements.
Parameters of Atomic Absorption Spectrophotometer AA2300
| Wavelength range(nm) | 185-900nm |
| Wavelength indication error(nm) | ±0.15nm |
| Wavelength repeatability(nm) | ≤0.05 nm |
| Spectral Bandwidth | 0.1, 0.2, 0.4, 1.0, and 2.0nm |
| Zero Drift | ±0.002/30min |
| Instantaneous noise(Abs) | ≤0.002 Abs |
| Flame Atomizer | |
| Detection limit | Cu: ≤0.002μg/mL |
| Repeatability | RSD≤0.25% |
| Graphite Furnace Atomizer | |
| Detection limit(Graphite Furnance: Cd pg) | ≤0.3pg |
| Repeatability | RSD≤1.5 % |
| Heating temperature | room temperature -3000°C or so |
| Heating rate | 3000°C/s |
| Autosampler | |
| Injection bits | 108 |
| Linear | >0.999 |
| Injection volume | 1-200μL |
| Injection volume repeatability | ≤0. 1% |
| Result repeatability | ≤1.5% |
| Background correction | Deuterium lamp |
| Lamp position | 8 |
Performance of Atomic Absorption Spectrophotometer
1. An 8-lamp holder design alows for simultaneous i lumination or preheating to cater to a broader range of customer needs
2. A suspended, modular autosampler permits eo less 3-second removal or instalation; its 100+8 position design meets the demands of large-volume sample testing
3. Integrated flame atomizer and graphite furnace atomizer structure design for fast automatic switching of flame and graphite furnace atomizers
4. Pneumatic graphite furnace control facilitates easy graphite tube replacement, and the hermetic furnace chamber design boosts detection sensitivity
5. Parallel dual atomization system design: With a single click in the software, the system can quickly and automaticaly switch between ame atomic absorption, graphite furnace atomic absorption, and hydride generation methods within one second
Applications of Atomic Absorption Spectrophotometer
Atomic absorption spectrophotometer has been used to determine more than 70 elements in geological samples. Analysis of trace elements in steel, alloys and high-purity metals; more than 20 elements in food and beverages; analysis of essential and harmful elements in biochemical and clinical samples.
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