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High-Pressure PTFE Digestion Tank for COD Testing - China Suppliers & Factory
PTFE COD Digestion Tank
High temperature resistant
High voltage resistant
With explosion-proof safety cover
PTFE COD Digestion Tank
Product Name:
PTFE COD Digestion Tank
Product Type:
30-200ml
Product Material:
PTFE
Product Introduction: The PTFE COD digestion vessel is used to safely digest water samples under high temperature and high pressure conditions for the determination of Chemical Oxygen Demand (COD). It is suitable for water quality monitoring and for the pretreatment of various samples, including industrial wastewater, domestic sewage, and surface water, before COD testing.
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Reserved explosion-proof holes, high safety
The lid has a threaded design, providing good sealing.
Thickened inner wall for a longer service life.
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PTFE COD Digestion Tank Specs
| Description | Picture | Spec (ml) | Bottle Outer Diameter (mm) | Lid Outer Diameter (mm) | Mouth Inner Diameter (mm) | Height (mm) | Wall Thickness (mm) | Weight (g) |
|---|---|---|---|---|---|---|---|---|
| PTFE COD Digestion Tank |
|
30 | 38 | 46 | 25 | 120 | 7 | 219 |
| 50 | 47 | 55 | 30 | 120 | 9 | 351 | ||
| 60 | 48 | 56 | 30 | 133 | 9 | 378 | ||
| 100 | 58 | 71 | 40 | 135 | 9 | 559 | ||
| 200 | 68 | 80 | 50 | 157 | 9 | 747 |
Product Features
- 1 Samples: The reagent should not exceed 2/3 of the container's volume. Samples with high chlorine or high organic content require pretreatment.
- 2 Temperature: Temperature resistance ≤200° C. Strictly control the temperature and the heating rate according to regulations, and do not exceed the temperature limit.
- 3 Cooling: After digestion, allow to cool naturally to room temperature. Release pressure before opening the lid, and do not operate while hot.
- 4 Compatibility: Only for use in compatible systems. Avoid direct contact of highly corrosive reagents with the container wall, and do not scrape with hard tools.
- 5 Maintenance: Inspect the container and seals before and after use. After cleaning, dry and store with the seal intact.
Frequently Asked Questions (FAQ)
Q1: What material is the COD digestion tank made of?
A1: The digestion tank is made of high-quality PTFE (Polytetrafluoroethylene), which provides superior chemical resistance, high temperature stability, and high voltage tolerance.
Q2: What is the maximum operating temperature for this vessel?
A2: The PTFE COD digestion tank is resistant to temperatures up to ≤200°C. Users must strictly control the heating rate and avoid exceeding this limit.
Q3: What capacities are available for the digestion tank?
A3: We offer a range of capacities from 30ml to 200ml, including standard specifications of 30ml, 50ml, 60ml, 100ml, and 200ml.
Q4: How does the design ensure safety during high-pressure digestion?
A4: The tank features reserved explosion-proof holes, an explosion-proof safety cover, a secure threaded lid design for tight sealing, and a thickened inner wall to ensure safe operation.
Q5: Can I fill the digestion tank to its maximum capacity?
A5: No, the reagent or sample volume should not exceed 2/3 of the container's total capacity to ensure safe pressure distribution during digestion.
Q6: How should the tank be handled and opened after digestion?
A6: After digestion, let the tank cool down naturally to room temperature. You must release the internal pressure completely before attempting to open the threaded lid. Do not open or handle it while it is hot.