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SDB-RPS Disk
$333.50
CDS Empore 2241 and 2341 Environmental SDB-RPS Disks are solid phase extraction (SPE) tools made from polystyrenedivinylbenzene-reversed phase sulfonate with a 12 µm particle size. These reversed-phase disks provide π-π and cation exchange interactions, ideal for the extraction of aromatic and positively charged compounds. Effective across a pH range of 1–14, they are suitable for applications involving drugs, pesticides, and metabolites under EPA 515.2 or related methods.
Available in:
47 mm (20 disks/pack, 3 packs/case)
90 mm (10 disks/pack, 3 packs/case)
Learn more about Empore™ Extraction Disks — explore EPA protocols, application notes, and the full range of sorbent chemistries on our Extraction Disks overview page →
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Quantity
Specifications
| 47 mm Disk | 90 mm Disk |
Part Number | 98-0604-0226-4EA | 98-0604-0227-2EA |
Unit of Measure | 20/Pack, 3 Packs/Case | 10/Pack, 3 Packs/Case |
Style | SDB-RP | SDB-RP |
Material | Polystyrenedivinylbenzene-reversed phase sulfonate (12 µm) | Polystyrenedivinylbenzene-reversed phase sulfonate (12 µm) |
Diameter | 47 mm | 90 mm |
UNSPSC Code | 41120000 | 41120000 |
Application | Drugs, pesticides, metabolites; reversed phase & cation exchange (EPA 515.2) | Drugs, pesticides, metabolites; reversed phase & cation exchange (EPA 515.2) |
Lead Time | 1–14 Days | 1–14 Days |
Certificates Of Analysis
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1–14 day lead time
Most orders ship within 5 business days.
10-day returns
RA required within 10 days. 20% restocking on customer errors.






















