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8270 Sorbent Disk

Item No.:

LP-8270SorbentDisk-47-20
LP-8270SorbentDisk-47-60

CDS Empore™ 8270 Extraction Disks are designed for the analysis of semivolatile organic compounds (SVOCs) in aqueous samples in accordance with U.S. EPA Method 8270E. CDS Analytical has manufactured and distributed the product since 2019 as the owner of the Empore™ brand. The particle-loaded PTFE membrane supports high flow rates, straightforward reverse elution, and shorter drying times than conventional SPE cartridges.

Compliant with EPA methods:

EPA Method 8270E (SPE according to supplemental Method 3535)

Suitable for:

Quantitative extraction of more than 125 neutral, acidic, and basic SVOCs from water
Wastewater, drinking-water, groundwater, and leachate analysis
Compound classes including PAHs, phthalate esters, organophosphate esters, nitrosamines, chlorinated hydrocarbons, pesticides, haloethers, anilines, pyridines, quinolines, nitroaromatics, and phenols
Laboratories using EPA-compliant SVOC workflows with reduced solvent consumption

Categories: CDS Empore, Disk, Sample Preparation Brand: CDS Analytical

Recommended Workflow

For optimal recovery across the full SVOC range, use the 8270 Disk in a combined disk stack with two Empore™ Activated Carbon Disks:

8270 Disk on top — retains the target SVOCs
2 × Activated Carbon Disks below — capture polar and reactive compounds

After loading the acidified water sample, dry the stack, invert it, and perform reverse elution: first with DCM/methanol for the acidic/neutral fraction, followed by DCM/methanolic ammonia for the basic fraction.

Technical Specifications:

Property	Value
Sorbent	8270
Membrane type	Empore™ particle-loaded PTFE membrane
Disk diameter	47 mm
Pack size	20 disks/pack, 3 packs/case
Method compatibility	EPA Method 8270E, EPA Method 3535
Target analytes	More than 125 SVOCs (neutral, acidic, and basic)
Typical sample volume	250 mL aqueous samples
Typical recovery	>75% for most compounds (validated, n = 3)
Typical RSD	<15% for most compounds (validated, n = 3)
Recommended use	Combined stack with 2 × Empore™ Activated Carbon Disks

Item	Item No.	Description
1	LP-8270SorbentDisk-47-20	CDS Empore, 8270 Sorbent Disk, 47 mm, 20 pcs
2	LP-8270SorbentDisk-47-60	CDS Empore, 8270 Sorbent Disk, 47 mm, 60 pcs

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