EmporeTM SPE Extraction Disks, Octadecyl (C18) and Octyl (C8)
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emporetm spe extraction disks, octadecyl (c18) and octyl (c8)
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EmporeTM 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 |