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Purification by HPLC in preparative scale because of its numerous benefits is increasing in importance and becoming a routine procedure. Based on the fact that the amount of applicable sample is proportional to the column size, the COSMOSIL® series is available in 10mm I.D. and 20mm I.D. for semi-preparative applications and 28mm I.D. and 50mm I.D. for preparative scales.
For column sizes and packing materials not listed below, contact either your local distributor or the manufacturer directly.
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Material characteristics |
| COSMOSIL® 15C18-AR-II |
| Silica gel |
high purity porous spherical silica |
| Average particle size |
15mm |
| Average pore size |
approx. 120Å |
| Specific surface area |
approx. 300m2/g |
| Stationary phase |
polymeric type octadecyl group |
| End capping treatment |
near-perfect treatment |
| Carbon content |
approx. 17% |
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Click Click
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| Ordering information |
| Product name |
Size |
Code No. |
End-fitting |
| COSMOSIL® 15C18-AR-II Guard Column |
28mmI.D.× 50mm |
38030-11 |
Waters type |
| 50mmI.D.× 50mm |
38057-81 |
| COSMOSIL® 15C18-AR-II Packed Column |
28mmI.D.×250mm |
37978-51 |
| 50mmI.D.×250mm |
38058-71 |
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| (C)2004 Nacalai Tesque, Inc. E-mail: info.intl@nacalai.co.jp |