SPE Manifold

• All SPE manifolds are supplied with three-way valves that allow the venting to atmosphere of each station without affecting the vacuum in the rest of the system
• SPE manifolds are manufactured from corrosion-resistant stainless steel
• SPE apparatus comes with 300 mL funnels and 47 mm support bases
• Valves have stainless steel bodies with PTFE plugs
• SPE funnels have a sharp edge on the bottom inside diameter that, combined with the stronger spring in our aluminum clamps, minimizes any horizontal capillary action of the sample and solvent into the disk
• Extracted samples can be collected directly into K-D concentrator tubes, EPA water analysis vials, sample vials and test tubes up to 30 mm OD x 100 mm high
• PTFE-coated stainless steel support screen reduces the possibility of sample-to-sample cross-contamination compared to the traditional glass frit
• PTFE coating also protects the support screen from corrosion caused by acid-preserved samples
• SPE support bases with 40-35 outer Standard Taper joints have a specially designed internal surface that reduces dead volume and minimizes holdback of the extracted analyte

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