Overview

Chemical Solutions™ HSQ™ (High Sensitivity Qualification) and PQ™ (Performance Qualification) Kits were developed to provide efficient and convenient instrument qualification. An important feature of these kits is the handling and storage approach used for the supplied certified HPLC qualification column.

The qualification column is shipped in the same solvent environment recommended for qualification procedures. This design helps reduce preparation time and allows users to place the column into service with minimal equilibration requirements.

Column Storage Solvent

The supplied qualification column is stored in the same mobile phase system used during qualification testing.

This approach offers several advantages:

• Reduced equilibration time before use
• Simplified qualification workflows
• Consistent starting conditions
• Reduced preparation requirements
• Convenient storage between qualification events

Because the storage solvent and operating mobile phase are the same, the column is generally ready for qualification procedures shortly after installation.

Benefits of Consistent Storage Conditions

Using the same solvent system for storage and operation helps maintain column readiness while reducing the time typically required when switching between different solvent environments.

Potential benefits include:

• Faster qualification setup
• Improved workflow efficiency
• Less solvent consumption during equilibration
• Simplified column maintenance

This makes the qualification process more convenient for laboratories performing routine instrument verification.

Recommended Storage Conditions

When not in use, the qualification column should be stored:

• At normal room temperature
• In a clean, dry environment
• With the supplied end fittings securely installed
• In the recommended storage solvent

Proper storage helps maintain consistent chromatographic performance and extend useful column life.

Refrigeration Is Not Recommended

Qualification columns and qualification kit solutions should not be refrigerated.

Storage under standard laboratory ambient conditions is recommended to maintain readiness and avoid unnecessary handling concerns associated with temperature fluctuations.

Best Practices

To maximize column performance:

• Store the column in its designated storage solvent.
• Replace end caps after use.
• Avoid allowing the column to dry out.
• Follow established laboratory handling procedures.
• Store in a temperature-controlled laboratory environment.

These practices help ensure that the column remains ready for future qualification activities.

Key Takeaways

• HSQ™ and PQ™ qualification columns are shipped in the same solvent used during testing.
• Minimal equilibration is typically required before qualification procedures.
• The storage approach simplifies instrument qualification workflows.
• Store the column at room temperature in a dry location.
• Refrigeration is not recommended.
• Proper storage helps maintain column performance and readiness.

• View Qualification Standards, Columns, and Accessories.