PTFE Liner for Pressure Relief Microwave Digestion Vessel Tube 4

PTFE Liner for Pressure Relief Microwave Digestion Vessel Tube 1

PTFE Liner for Pressure Relief Microwave Digestion Vessel Tube 3

PTFE Liner for Pressure Relief Microwave Digestion Vessel Tube 2

PTFE Liner for Pressure Relief Microwave Digestion Vessel Tube

Price range: $40.00 through $105.00

Type: PTFE Liner for Pressure Relief Microwave Digestion Vessel Tube
Material: 100%PTFE
Feature: Resistant to strong acids, strong alkalis and low adhesion
Customization：available
Item NO.: S25915145

Capacity-G

Clear

SKU: N/A Category: PTFE Tag: PTFE Digestion Vessel

The PTFE microwave digestion vessel is a critical component designed for safe and efficient sample preparation in laboratory settings. This specialized liner, crafted from high-purity PTFE (Polytetrafluoroethylene) or superior TFM-PTFE , offers exceptional resistance to aggressive acids like HNO₃, HCl, and HF . Its key feature is integrated safety venting mechanisms, which may include burst discs or pressure relief valves . These features are crucial for pressure relief, automatically activating to prevent dangerous over-pressurization during digestion by releasing excess gases . This ensures operational security and protects the instrument integrity.

The digestion tube is engineered for high-temperature operations, typically up to 260°C , and can withstand significant pressure, with some models rated up to 40 bar or higher depending on the design . This makes it indispensable for digesting diverse sample types, including environmental, food, and pharmaceutical samples, in applications like elemental analysis via ICP-OES . When sourcing such equipment, selecting a reputable supplier is vital to ensure product quality, reliability, and compliance with safety standards for precise and secure microwave-assisted acid digestion.

Excellent Chemical & Physical Properties:
Extremely strong chemical inertness (the core advantage)
PTFE is known as the “plastic king” and hardly reacts with any known strong acids, bases, oxidants, organic solvents, etc.
Tolerant reagents include aqua regia, hydrofluoric acid (HF), hot concentrated sulfuric acid, nitric acid, hydrochloric acid, chromic acid, various organic solvents (such as acetone, benzene, alcohols), etc.
This feature ensures that the stored samples are not contaminated by the container and also guarantees that the container itself is not corroded.
Extremely low leaching and adsorption of metal ions
The surface of PTFE is smooth and dense, and it hardly adsorbs trace elements and components in the sample.
The content of self dissolved metal ions is extremely low, which is crucial for trace analysis (such as ICP-MS, ICP-OES, AA, etc.), effectively avoiding background contamination and ensuring the accuracy of analysis results.
Excellent thermal stability
It can usually be used for a long time within the temperature range of -200 ° C to+260 ° C.
Short term tolerance to higher temperatures (such as 300 ° C) makes it suitable for hydrothermal reactions, high-temperature digestion, or high-temperature sample storage.
Excellent non stickiness and surface smoothness
The surface friction coefficient is extremely low, does not adhere to any substances, is easy to clean and pour out viscous reagents, and there will be no residue.
High purity and good electrical insulation