Empore 2241: SDB-RPS, polystyrenedivinylbenzene-reversed phase sulfonate, 12um particle size, 47mm

Brand: CDS Analytical  (#98-0604-0226-4)

Item #: G2048C

US EPA Method 3535A https://www.epa.gov/sites/default/files/2015-12/documents/3535a.pdf

6.3.4 Styrene divinylbenzene reversed-phase sulfonated (SDB-RPS) disks -- Empore™ disks,

47-mm diameter (3M product number 98-0503-0110-4),

90-mm diameter (3M product number 98-0503-0111-2),

or equivalent.

Solid-phase disk extraction system (SPE)