Centrifuge Tubes & Digestion Tubes
PTFE Digestion Tubes Teflon Material Chemical Resistant Laboratory Vessels for Trace Metal Analysis
Item Number : PL-CP386
Price varies based on specs and customizations
- Material Composition
- High-Purity Virgin PTFE
- Chemical Compatibility
- Universal (including HF, HNO3, and HCl)
- Fabrication Type
- Customizable CNC Machined
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Product Overview



This system of high-performance laboratory vessels is engineered specifically for the most demanding sample preparation workflows in modern analytical chemistry. Crafted from premium-grade Polytetrafluoroethylene (PTFE), these components provide an unparalleled barrier against corrosive chemical attack while maintaining structural integrity under significant thermal stress. The equipment serves as the primary interface between raw samples and precise analytical results, ensuring that mineralization processes occur without contamination or loss of target analytes. By transitioning from standard disposable plastics to this high-performance material, laboratories gain a robust solution for handling concentrated acids and complex matrices that would otherwise degrade inferior laboratory equipment.
The unit is widely utilized across industries that mandate extreme precision, such as environmental monitoring, geochemical exploration, and semiconductor manufacturing. In these sectors, the ability to decompose biological, geological, or industrial samples using aggressive reagents like hydrofluoric acid or concentrated nitric acid is a non-negotiable requirement. This equipment facilitates these reactions by providing a stable, non-reactive environment that withstands the high-energy microwave action and elevated temperatures typical of modern digestion protocols. It is designed to be the definitive choice for professionals who cannot afford the variability associated with lower-grade consumables.
Reliability and performance are the hallmarks of this design. Every unit is manufactured with a focus on long-term durability and operational consistency. In demanding industrial conditions where equipment is subjected to repetitive heating and cooling cycles alongside exposure to volatile reagents, these vessels maintain their dimensional stability and sealing efficiency. Procurement teams can be confident in the build quality, knowing that the high-performance fluoropolymer material is selected for its purity and resistance to leaching. This ensures that the trace metal background remains at the lowest possible levels, a critical factor for ultra-trace analysis where even parts-per-billion (ppb) level contaminants can compromise a laboratory's certification and data integrity.
Key Features
- Exceptional Chemical Inertness: The equipment is virtually immune to attack from almost all laboratory chemicals, including concentrated nitric acid, hydrochloric acid, and the highly corrosive hydrofluoric acid required for silicate breakdown.
- Ultra-Low Trace Element Background: Manufactured from high-purity virgin PTFE, these vessels exhibit minimal impurity leaching, ensuring the lowest possible experimental background signals for sensitive ICP-MS and ICP-OES analysis.
- Superior Thermal Stability: This system maintains its mechanical properties across a wide temperature range, allowing for consistent performance during both ambient temperature reactions and high-temperature block or microwave digestion.
- Advanced Anti-Adhesion Surface: The smooth, hydrophobic interior surface of the unit prevents sample droplets from sticking to the walls, maximizing recovery rates and reducing the risk of cross-contamination between batches.
- High-Pressure Resilience: Engineered to withstand the internal pressures generated during the decomposition of complex biological matrices, the equipment ensures safe operation during intensive mineralization processes.
- Precision Seal Integrity: The design includes specialized closure mechanisms that prevent the loss of volatile target elements, ensuring that the mass balance of the sample is preserved throughout the digestion cycle.
- End-to-End CNC Customization: Unlike standard off-the-shelf plastic tubes, this unit can be custom-machined to match exact dimensions, volumes, and thread specifications required for specific digestion systems.
- Enhanced Durability: The robust construction of the equipment offers a long service life, resisting the cracking and brittleness that often affects standard disposable plastic digestion tubes over time.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Environmental Soil Analysis | Use of hydrofluoric acid to break down silicate structures in soil and sediment samples for heavy metal testing. | Resistance to HF prevents tube degradation and ensures sample purity. |
| Biological Matrix Mineralization | High-temperature digestion of tissues and plant materials using concentrated nitric acid and hydrogen peroxide. | Withstands high pressure and oxidative stress without leaching impurities. |
| Mining and Geochemistry | Digestion of ore samples and mineral concentrates for the quantification of precious and base metals. | Exceptional durability in harsh, high-throughput industrial laboratory environments. |
| Semiconductor Grade Testing | Ultra-trace analysis of high-purity chemicals and wafers where contamination must be kept at parts-per-trillion levels. | Ultra-low background signal ensures accurate detection of minute contaminants. |
| Food Safety Screening | Microwave digestion of food products to screen for toxic elements like lead, arsenic, and cadmium. | Prevents target element adsorption on walls, increasing recovery and reproducibility. |
| Petrochemical Analysis | Decomposition of complex hydrocarbons and oil samples for sulfur and metal content determination. | High thermal stability allows for the sustained heat required for heavy oil breakdown. |
Technical Specifications
For the product identifier PL-CP386, all specifications are customizable to meet the precise requirements of your laboratory equipment and digestion blocks. We specialize in bespoke fabrication to ensure seamless integration with your existing analytical hardware.
| Feature | Specification Details (PL-CP386) |
|---|---|
| Material Construction | 100% High-Purity Virgin PTFE (Polytetrafluoroethylene) |
| Chemical Resistance | Universal resistance (except molten alkali metals and certain fluorinated agents) |
| Operating Temperature | Fully customizable based on application requirements |
| Dimensional Tolerances | Precision CNC machined to customer-specified tolerances |
| Volume Capacity | Custom volumes available (from micro-scale to large-scale digestion) |
| Base Type | Flat, round, or conical bottoms available upon request |
| Closure System | Custom threaded caps, push-on plugs, or specialized microwave seals |
| Wall Thickness | Reinforced wall options available for high-pressure applications |
| Graduation Markings | Optional precision-machined or laser-etched volume markers |
Why Choose This Product
- Premium Engineering Standards: This equipment is not a generic commodity but a precision-engineered tool designed to meet the rigorous standards of high-level analytical chemistry and industrial research.
- Proven Long-Term Reliability: By investing in high-quality PTFE construction, laboratories reduce the frequency of equipment replacement and minimize the risk of sample loss due to vessel failure.
- Total Customization Capabilities: Our end-to-end CNC fabrication means we can deliver exact replicas of obsolete parts or design entirely new configurations for non-standard digestion systems.
- Operational Consistency: The precision of our manufacturing process ensures that every unit performs identically to the last, providing the consistency required for validated laboratory methods.
- Superior Build Quality: We maintain an exclusive focus on high-performance fluoropolymers, ensuring that our material knowledge translates into superior durability and purity for your lab.
Our team is ready to assist you in developing a tailored solution for your specific laboratory needs. Please contact us for a quote or to discuss your custom design requirements.
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Product Datasheet
PTFE Digestion Tubes Teflon Material Chemical Resistant Laboratory Vessels for Trace Metal Analysis
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