Model GA3202 HGA graphite furnace system1.
1.Heating steps: 9 steps
2. Temperature range (nominal Temperature): 20℃~3000℃
3.Slope heating time: 0~999s
4.Heating holding time: 1s~999s (the sum of both time should be less than 999 seconds)Inert gas needed: argon, pressure of entry larger than 0.3Mpa
5. Cooling water: tap water or cycling water, flow rate no less than 2L/min
6.Output: LCD
7.Gas pressure alarm, furnace overheated alarm
8.Interface with Atomic absorption spectrophotometer, autosampler and RS232
9.High-power temperature heating function (1000°C~2700°C)
10.Test sample together with atom absorption equipment. Cd ≤1×10-12g;Cu ≤1×10-10g
Working Conditions
- Power source: 220V±22V, 50Hz±1Hz, 3A 220V±22V, 50Hz±1Hz, 30A
- Power: 5.1kW for 220V on about 2700℃
- Ambient temperature: +10℃~+30℃
- Relative humidity: less than 85%
- Instrument rating power: 7.2k
AAH-1 Hydride Generator
| Measurement Method | Continuous Flow Injection |
| Reducing Agent | NaBH4 |
| Sample Feed Rate: | 0 ~ 7mL / min |
| Reagent Feed Rate: | 0 ~ 2.5mL / min |
| Burning Head | Heating Quartz Tube（Heating with acetylene combustion） |
| Carrier Gas | Ar, Supply Pressure0.32MPa |
| Power Supply | 220V, 50HZ, 30W |
| Size | 290x220x280mm |
AS4020 Autosampler
The autosampler is an important optional accessory to improve the technical indicators and automation of the atomic absorption spectrophotometer.
Under the control of the graphite furnace system, standard solutions can be prepared automatically. It can be automatic. sample pre-concentration and dilution, and automatically add matrix improver, automatic cleaning and other function.
- Number of sample cups: 95
- Sample cup capacity: 1.5mL
- Number of reagent cups: 5
- Reagent cup capacity: 5mL
- Injection volume: 1 ~ 95μL (1μL increment)
- Injection volume accuracy: ± 2% (20μL)
- Injection volume precision: ≤1% (20μL)