Tubing

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Sigma-Aldrich Tubing Chromatography Tubing

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  • Supelclean™ ENVI™-18 SPE Tube

    Sigma-Aldrich

    Retention Mechanism: Reversed-phase Sample Matrix Compatibility: Aqueous solutions (drinking, ground, waste water) Polymerically bonded, octadecyl (17% C), endcapped Excellent for cleaning, extracting and concentrating pollutants from aqueous environmental samples Higher 17% C…

  • Supelclean™ ENVI-Florisil® SPE Tubes

    Sigma-Aldrich

    General Description Magnesium Silicate Retention Mechanism: Normal phase or Adsorption Sample Matrix Compatibility: Organic solutions Mesh: 100/200; Available with PTFE or stainless steel frits Tested for US Environmental Protection Agency (EPA) Contract Laboratory…

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