Corrosion Resistant PTFE Digestion Tube White Opaque Tubular Bottle for Geological Mineral Sample Preparation Screw Cap Sealed Laboratory Vessel

Product Overview

This high-purity laboratory vessel is engineered specifically for the most demanding sample preparation workflows in geological, environmental, and metallurgical analysis. Constructed from premium-grade polytetrafluoroethylene (PTFE), the system provides an uncompromising barrier against aggressive chemical reagents. Its opaque white tubular design is tailored for high-pressure or high-temperature acid digestion, ensuring that sensitive samples remain uncontaminated by external factors or container degradation. By utilizing a precision-machined screw-cap closure, the unit maintains a hermetic seal, preventing the escape of volatile components and protecting the integrity of the sample throughout the heating and digestion cycle.

The equipment serves as a critical component in trace analysis laboratories where the detection of minerals at sub-parts-per-billion levels is required. Target industries include mining and mineral exploration, agricultural research, and advanced chemical manufacturing. The opaque nature of the material ensures that light-sensitive reactions are shielded, while the robust wall thickness provides the mechanical strength necessary for repeated use in rigorous industrial settings. This vessel is not merely a container but a precision instrument designed to facilitate accurate Atomic Absorption Spectroscopy (AAS) and ICP-MS results by eliminating the risk of trace metal leaching from the container walls.

Reliability is at the core of this unit's design. In demanding industrial conditions where concentrated nitric, hydrochloric, and hydrofluoric acids are routinely used at elevated temperatures, the equipment maintains its structural integrity and chemical inertness. Procurement teams can rely on the consistency of these vessels to withstand thermal cycling up to 150°C without deformation or loss of sealing capability. This long-term durability ensures a low total cost of ownership and provides laboratory technicians with the confidence that their digestion processes are reproducible and secure from external contaminants.

Key Features

• Exceptional Chemical Inertness: The system is manufactured from virgin PTFE, providing universal resistance to almost all laboratory chemicals, including concentrated acids, alkalis, and organic solvents, ensuring no reaction occurs between the vessel and the sample.
• Trace Analysis Optimization: With a high-purity material profile, this vessel prevents the leaching of common trace metals like calcium, magnesium, potassium, and sodium, which is essential for achieving accurate results in Atomic Absorption Spectroscopy.
• High-Temperature Stability: The unit is designed to operate reliably at continuous temperatures up to 150°C, making it ideal for use in heating blocks and hot plate digestion methods without risk of melting or warping.
• Precision-Machined Screw Cap: Each bottle features a bespoke screw-mouth design that provides a superior mechanical seal, preventing the leakage of corrosive vapors and protecting personnel and laboratory equipment from hazardous fumes.
• Opaque UV Protection: The white opaque construction naturally shields samples from ultraviolet light and visual inspection, which is critical for light-sensitive digestion processes and maintaining confidentiality in proprietary mineral testing.
• Superior Surface Finish: The internal walls are engineered with an ultra-smooth finish to prevent sample adhesion and facilitate easy cleaning, minimizing cross-contamination between different batches of geological samples.
• High-Pressure Tolerance: The thick-walled tubular design allows for increased internal pressure during the digestion phase, accelerating the breakdown of complex mineral matrices and improving overall laboratory throughput.
• Full Customization Capability: As an industrial-grade solution, the dimensions, volumes, and base configurations (flat or round) can be tailored to meet specific laboratory rack requirements or proprietary digestion protocols.

Applications

Technical Specifications

As a specialist manufacturer focusing on high-performance fluoropolymers, we provide this product in a variety of configurations. The following table outlines the technical baseline for the PL-CP314 series. Please note that all dimensions and volume capacities are customizable to meet your specific laboratory requirements.

Why Choose This Product

• Proven Long-Term Reliability: Our PTFE digestion vessels are built to outlast standard laboratory plasticware, providing hundreds of cycles of use in high-acid environments without degrading or clouding.
• Precision Manufacturing: Utilizing advanced CNC fabrication, we ensure that every thread and surface meets exacting tolerances, providing a consistent seal and performance that molded alternatives cannot match.
• Absolute Focus on Fluoropolymers: With an exclusive dedication to PTFE and PFA materials, our engineering team understands the unique thermal and chemical properties required for high-stakes industrial analysis.
• Customization Expertise: We do not believe in a one-size-fits-all approach; we can manufacture non-standard sizes and custom geometries to integrate perfectly with your existing digestion blocks and laboratory automation.
• Industry-Leading Purity: Our sourcing and manufacturing processes are strictly controlled to eliminate the risk of cross-contamination, ensuring your trace analysis results are always valid and defensible.

For more information on volume pricing or to discuss a custom-engineered solution for your laboratory, please contact our technical sales team for a formal quotation.

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