Sigma-Aldrich

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  • Glass Wool, Pesticide Grade (Silanized), pkg of 10 g

    Sigma-Aldrich

    General description Wool plugs are often used in GC inlet liners to improve sample vaporization, and/or to keep non-volatile material from entering the column. They can also be used in packed GC columns, solvent desorption tubes, thermal desorption tubes, and purge traps to retain adsorbent beds.

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