FAQ

Why was a free transfer vial not included in my residual solvent gas standard purchase?

28 Aug 2025

Due to the extreme volatility of our residual solvent gas standards, we do not recommend saving the unused content of opened ampules for later use.

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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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