Date: 12-MARCH-2025 Last Updated: 4-SEPTEMBER-2026
Introduction
Mobile phase reservoir bottles are widely used in HPLC, UHPLC, and LC-MS laboratories for storing and delivering solvents, buffers, and prepared mobile phases. Understanding the operating temperature range of these bottles is important for ensuring safe use and maintaining container integrity during laboratory procedures.
Temperature limitations should always be considered alongside chemical compatibility, pressure conditions, and closure specifications when selecting bottles for analytical applications.
Temperature Range for Non Coated Mobile Phase Bottles
Recommended Temperature Range
- Minimum Low Temperature: -70°C
- Maximum HIgh Temperature: 500°C
This wide operating range makes the bottles suitable for numerous laboratory applications involving solvent storage, reagent preparation, mobile phase handling, and analytical workflows.
Why Temperature Ratings Matter
Temperature resistance is an important consideration in laboratories that may subject bottles to:
- Refrigerated storage
- Freezer storage
- Heated solutions
- Drying procedures
- Solvent preparation workflows
- Laboratory cleaning processes
Operating within the recommended temperature range helps maintain the physical integrity and performance of the bottle.
Consider the Cap Material Separately
When evaluating temperature suitability, it is important to remember that the bottle and the cap may have different temperature limitations.
The maximum allowable temperature of the bottle assembly is often determined by the component with the lowest temperature rating.
Before exposing bottles to elevated temperatures:
- Verify the cap material.
- Review cap temperature specifications.
- Confirm compatibility of all bottle components.
For example, polypropylene and other cap materials generally have lower temperature limits than laboratory glass.
Important Heating Considerations
When heating mobile phase bottles, avoid creating a sealed system. A fully sealed bottle exposed to elevated temperatures can experience pressure buildup caused by expansion of gases and liquids within the container.
For safety:
- Do not fully seal bottles during heating.
- Allow appropriate venting when required.
- Follow laboratory safety procedures and manufacturer recommendations.
These precautions help reduce pressure-related risks and protect both personnel and equipment.
Common Applications
Non-coated mobile phase reservoir bottles are commonly used for:
- HPLC mobile phase storage
- UHPLC solvent reservoirs
- LC-MS solvent preparation
- Buffer preparation
- Reagent storage
- Laboratory solution preparation
- Analytical chemistry workflows
Proper consideration of both bottle and cap temperature specifications helps maximize safety and product performance.
Conclusion
Non-coated mobile phase reservoir bottles provide a broad operating temperature range of -70°C to 500°C, making them suitable for a wide variety of laboratory applications. However, bottle cap temperature limitations should always be verified separately, and bottles should not be fully sealed during heating to avoid pressure buildup. Understanding these factors helps ensure safe and reliable use in chromatography and analytical laboratories.