- Heating steps: 9 steps
- Temperature range (nominal Temperature): 20℃~3000℃
- Slope heating time: 0~999s
- 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
- Cooling water: tap water or cycling water, flow rate no less than 2L/min
Graphite Furnace System, GRD-3202
Description
GRD-3202 graphite furnace system is a system specially used for the quantitative analysis of trace elements in substances by graphite furnace atomic absorption method. It is an important optional accessory for SP-IAA320 atomic absorption spectrophotometer.
Specifications
| Model | GRD-3202 |
| Heating steps | 9 steps |
| Temperature range (nominal Temperature) | 20℃~3000℃ |
| Slope heating time | 0~999s |
| 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 |
| Cooling water | Tap water or cycling water, flow rate no less than 2L/min |
| Output | LCD |
| 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 | 7.2kW |
| Gas pressure alarm, furnace overheated alarm | |
| Interface with Atomic absorption spectrophotometer, autosampler and RS232 | |
| High-power temperature heating function (1000℃~2700℃) | |
| Test sample together with atom absorption equipment. Cd ≤1×10^-12g; Cu ≤1×10^-10g | |
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