FAQ

Can you recertify or extend the expiration date of my reference standard?

14 Jul 2025

Unfortunately, no. Restek conducts real-time stability studies and accelerated stress tests to establish reliable expiration dates. Use beyond the identified expiration date is neither recommended nor guaranteed.

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Find Reference Standards Fast

Access the NEW Reference Standards Finder today.

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  • Restek Corporation

    Restek is a leading provider of chromatography columns, accessories, and certified reference materials. Trust Restek for reliable, high-quality analytical solutions.

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