- Description
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Description
- AAS Atomic Absorption Spectrophotometer
- Product Introduction
The GA-8452B atomic absorption spectrophotometer has high analysis accuracy and comprehensive humanized design, which can fully meet the specific needs of different customers. According to different analysis requirements, graphite furnace control, automatic sampler, hydride generator and so on can be selected.
AAS Atomic Absorption Spectrophotometer
II.Performance characteristics
1, four lights or six lights optional
Automatic 3D switching, energy balance, simultaneous preheating of multiple lamp positions to save waiting time, can choose deuterium lamp button background and high-performance element lamp.
2, automatic optimization of instrument Settings
Instrument setting automatic optimization memory function, one key to complete scanning peak search.
3, data report multi-format save and print out
Convenient data query and comparison.
- Software design makes operation easier
The instrument software adopts single-interface multi-function window design, real-time monitoring of data changes, supports mainstream Windows operating system, supports remote control and calibration,
Chinese/English versions are optional.
5, advanced and reliable multiple security protection system
Automatic detection, alarm, such as insufficient pressure, gas leakage, flameout and other abnormal conditions.
- Expand and combine functions
Hydride system and graphite furnace system and combined functions.
7, with automatic online detection function
AAS Atomic Absorption Spectrophotometer
III.Application field
It can be widely used in geology, metallurgy, medicine, chemical industry, petroleum, agriculture, environmental protection, commodity inspection and other industries. In recent years, the application of analysis of trace and trace elements has gradually penetrated from inorganic chemistry to organic chemistry.
AAS Atomic Absorption Spectrophotometer
Ⅴ.Technical parameter
| Host machine | |
| Power Supply | AC 220 V/50 Hz |
| Power | 150 W |
| Operating temperature | 10℃ ~35℃ |
| Working humidity | ≤ 80% |
| Dimensions | 1000 mm (L) x 400 mm (W) x 470 mm (H) |
| Weight | 70 kg |
| Optical system | |
| Detector | Japan Hamamatsu photomultiplier tube |
| Wavelength range | 185 nm~900 nm |
| Grating line density | 1800 pieces |
| Monochromator | Czerny-Turner enhanced type |
| The spectrum bandwidth | The spectrum bandwidth is 0.2nm, 0.4nm, 1.0nm, 2.0nm multi-grade automatic switching |
| Wavelength indication error | ≤ ±0.1 nm |
| Wavelength repeatability | ≤ ±0.025 nm |
| Baseline drift | 0.003 ABS/30min（static） 0.005 ABS/15min（dynamic） |
| Resolution | Cu 324.7nm wavelength, 0.2nm bandwidth, 0.2nm ± 0.01nm half-width |
| Light source system | |
| Lamp holder | Turret type automatic switching light frame |
| Lamp power supply mode | 400 Hz, 1/4 duty cycle pulse lit |
| Lamp current adjustment range | (0~10) mA (average current) software adjustment |
| Atomization system | |
| Characteristic concentration | （Cu）0.025 μg/mL /1% |
| The detection limit | （Cu）0.006 μg/mL |
| Burner | 0.5 mm×100 mm all-titanium burner |
| Repeatability | RSD ≤ 0.5% |
| atomizer | Metal sleeve high efficiency glass sprayer |
| Atomizing chamber | Corrosion-resistant all-plastic atomization chamber |
| Security protection | With a variety of automatic safety protection functions, acetylene leakage alarm, shutdown system |
| Analytical method | |
| Measuring method | Air-acetylene flame method |
| Concentration calculation method | The linear regression method automatically fits the working curve and calculates the result automatically |
| Repeated measurement times | 1~99 times, automatically calculate the average value, content, standard deviation and relative standard deviation |
| Result output | Multi-format data saving and printing |
| Communication interface | Standard RS232, USB expansion interface |
| Software environment | Software environment Windows XP/Vista/Windows7 operating system, Chinese professional software |
| Function expansion | Hydride system and graphite furnace system |
