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Empore™ SPE Extraction Disks, Octadecyl (C18) and Octyl (C8)

 

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Empore™ SPE Extraction Disks, Octadecyl (C18) and Octyl (C8)

Disks

EmporeTM extraction disks provide a sample prep solution for large volume samples. The disk format provides a large surface area for sorbent/sample contact. Faster flow rates and higher throughput are realized compared to liquid-liquid extraction or traditional packed column technology.

Sorbent Information

Bonded silica sorbents are commonly used for the solid phase extraction of analytes from complex sample matrices. A variety of functional groups, such as octadecyl (C18) and octyl (C8) can be bonded to the silica surface to provide non polar interactions. Each of these sorbents exhibits unique properties of retention and selectivity for a particular analyte. The choice of which sorbent is best for a particular method will be influenced by the percent recovery of analyte from the sample matrix and the cleanliness of the resulting chromatography.
 
EmporeTM C8 and C18 Extraction Disks

Bonded Silica

These products are intended for use during scientific research only and are not intended for use in medical devices or in assessment and treatment of clinical patients.

Features and Benefits:
  • Commonly used for the solid phase extraction of analytes from complex sample matrices.
  • A variety of functional groups, such as octadecyl (C18) and octyl (C8) can be bonded to the silica surface to provide non polar interactions.
  • Each of these sorbents exhibits unique properties of retention and selectivity for a particular analyte.
  • The choice of which sorbent is best for a particular method will be influenced by the percent recovery of analyte from the sample matrix and the cleanliness of the resulting chromatography.
  • Applications

    EPA Approved Methods C18 C8
    Safe Drinking Water Act 506, 508.1, 525.1, 525.2, 550.1, 1613B 549.1
    Comprehensive and Environmental Response, Compensation, and Liability Act (CERCLA) Quick Turnaround Method (QTM) for Organochlorine Pesticides and PCBs
    Clean Water Act Method 608 Alternate Test Procedure 3M0222
    Clean Water Act – Effluent Guidelines for Pesticide Manufacturing 507, 508, 525.2, 608
    Resource Conservation Recovery Act (RCRA) 8061 (2nd update), 8081 (3rd update)




    Sorbent Characteristics

    C18 C8
    Bonded Functional Group Octadecyl Octyl
    Retention Mechanism Strongly non polar Moderately non polar
    Endcapped Yes Yes
    Percent Carbon (avg.) 22.5 15.5
    Pore Size (avg.) 60Å 60Å
    Average Particle Size 12 µm 12 µm

    Ordering Info

    Cat No Sorbent TypeSize Qty Price Qty UOM
    E520-2 Octyl (C8)47 mm In Stock 60 $883.49 CS
    E520-3 Octyl (C8)90 mm In Stock 30 $1,570.58 CS
    E520-4 Octadecyl (C18)47 mm In Stock 60 $883.49 CS
    E520-5 Octadecyl (C18)90 mm In Stock 30 $1,403.48 CS

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