Wakopak® Wakosil®-Ⅱ 5C22
Wakopak® Wakosil®-Ⅱ 5C22 is a HPLC column packed with high-purity silica gel, which is modified with a docosyl (C22) group and end-capped. Since the C22 packing agents have a longer alkyl group and a different retention time from the octadecyl (C18) packing agents, they offer superior separation characteristics for compounds with similar structure. Wakopak® Wakosil®-II 5C22 will provide better results when analyzing samples that are difficult to separate with conventional ODS columns.
| Silica Gel | High-purity silica gel |
|---|---|
| Average Particle Size | 5 μm |
| Specific Surface Area | 330 m2/g |
| Pore Size | 12.0 nm |
| Pore Volume | 1.0 mL/g |
| Functional Group | Docosyl group |
| Endcap | ✓ |
| Carbon Content | 20% |
| USP Code | - |
| Recommended pH Range | 2.0 - 7.5 |
Features
- Unique separation behavior with C22
- Using high-purity silica gel
- Higher resolution, higher number of theoretical plates
- Available with various column sizes (Inner diameter of Φ2.0 to Φ6.0)
Application
Analysis Example of 8 Type Organic Compounds
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HPLC Conditions Column ： Wakopak® Wakosil®-Ⅱ 5C22 4.6 mm x 250 mm Eluent ： CH3OH/H2O=50/50 (v/v) Flow Rate ： 1.0 mL/min. at 40℃ Detection ： UV 254 nm, 0.128 AUFS Sample 1. Uracil 2. Caffeine 3. Phenol 4. 2-Ethylpyridine 5. Methyl Benzoate 6. Benzene 7. N,N-Dimethylaniline 8. Toluene
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Wakopak® Wakosil®-Ⅱ 5C22
For research use or further manufacturing use only. Not for use in diagnostic procedures.
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