What is The Shelf Life And Expiration Date of The Solutions in The Chemical Solutions DIY Qualification Kits - FAQ
April 7, 2012
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Date: 7-APRIL-2012   Last Updated: 5-JULY-2025
 

The Chemical Solutions "Do It Yourself", Qualification Kits, including the PQ and HSQ Kits™, are formulated with long-term stability in mind. Extensive stability studies have been conducted over multiple 24-month periods, consistently showing no degradation or instability in the chemical standards under recommended storage conditions.

Expiration Date Policy

Based on this robust stability data and to align with most laboratory quality systems and regulatory expectations, the expiration date is set at two years from the date of manufacture.

This ensures:

  • Confidence in the accuracy and reliability of the standards throughout their use
  • Compliance with internal SOPs, GMP, and GLP requirements
  • Traceability and documentation for audits and inspections

Shelf Life at Time of Purchase

All kits available for purchase are guaranteed to have at least six months of remaining shelf life, giving users ample time to:

  • Complete system qualifications
  • Perform repeatability or reproducibility studies
  • Schedule requalification activities without concern for imminent expiration

Storage Tip: For best results, store the kits in a cool, dark place and avoid repeated freeze-thaw cycles or prolonged exposure to light.

📦 Click HERE for Chemical Solutions PQ & HSQ Kits™ Ordering Information and Images.
 

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