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The GL-112 national standard microcrystalline COD digester follows the national standard (GB11914-89) and environmental standard (HJ828-2017), ensuring a digestion operation with reflux heating and micro boiling for 2 hours. The preparation and addition of reagent solution are consistent with the standard method, ensuring reliable and accurate analysis results.
The GL-112 national standard microcrystalline COD digester follows the national standard (GB11914-89) and environmental standard (HJ828-2017), ensuring a digestion operation with reflux heating and micro boiling for 2 hours. The preparation and addition of reagent solution are consistent with the standard method, ensuring reliable and accurate analysis results.
Product Features
1. Using imported microcrystalline panels, it can withstand high temperatures of 700 ℃, generate heat evenly, have fast rise/fall speeds, and have a smooth and easy to clean and maintain surface.
2. A new type of high-temperature resistant ceramic fiber heating plate with uniform thermal conductivity,
3. The glass burr reflux tube and heat dissipation system have good digestion reflux effect to ensure the parallelism and accuracy of the digestion results.
4. Digital display of microcrystalline panel temperature. Digital display of digestion time: temperature and timing can be set at any time.
5. After digestion is completed, the equipment automatically stops heating and the fan continues to work for 120 minutes to assist in sample cooling. It can be operated unattended.
Technical Parameter
| Instrument model | GL-112 |
| Heating quantity | 12 samples |
| heat panel | Imported Microcrystalline Panel |
| Cooling system | Glass burr reflux pipe and dual fan thermal cooling |
| Time and Temperature | 165-300℃ ，5-150min |
| Power | 2000W |
| Instrument power supply | AC（220V±5%）, 50Hz |
| work environment | 5-40 ℃, ≤ 85% non condensing |
| Instrument dimensions | 440mm×330mm×570mm |
| Instrument weight | About 15kg |
| measuring range | Dilute water samples with concentrations between 10-1000mg/L and greater than 1000mg/L |
| digestion time | 10 minutes to 2 hours |
| measurement error | The relative standard deviation of potassium hydrogen phthalate standard solution (500mg/L) is not more than 5.0%, The relative standard deviation of industrial organic wastewater (500mg/L) is not more than 7.0% |
| Execution standards | Complies with both national standards (GB11914-89) and environmental standards (HJ828-2017) |
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