FAQ

What is the difference between a TO-Can and a SilcoCan canister?

31 Jul 2025

Restek’s TO-Can canisters (toxic organics) are general-purpose canisters that are intended to be used for methods such as TO-14ATO-15, IP-1A, ASTM D5466, OSHA PV 2120, and NJ DEP Low Level TO-15. These canisters feature a proprietary electropolished surface that is designed to maintain compound stability. TO-Can canisters are functional equivalents to “SUMMA” canisters.

SilcoCan canisters are Siltek treated and are more inert than TO-Can canisters. They are ideal for low-level reactive sulfurs (5–20 ppb) as well as some of the more challenging TO-14A and TO-15 compounds. These Siltek-treated canisters are typically recommended for the collection and storage of sulfur-containing or brominated compounds. Siltek-treated accessories should be used with these canisters to provide the most inert sampling pathway.

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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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