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The pH of conventional silica gel products is acidic. Therefore samples with low acidic tolerance occasionally decompose during purification on silica gel columns. To overcome this problem, Nacalai Tesque has developed a new silica gel with neutral pH.
This new type of silica gel enables not only the purification of samples known for decomposition by acidity, but all newly synthesized compounds with not yet understood physical properties can be refined at ease and without worry.
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Material characteristics
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75 Silica Gel 60-N |
140 Silca Gel 60-N |
| Silica gel |
totally porous spherical silica |
| Average particle size |
75µm |
140µm |
| Average pore size |
approx. 60Å |
| Application |
open column chromatography, flash column chromatography |
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| Ordering information |
| Product name |
Packing Size |
Code No. |
| COSMOSIL® 75 Silica Gel 60-N |
100g |
30511-64 |
| 500g |
30511-35 |
| 1kg |
30511-51 |
| 5kg |
30511-06 |
| 25kg |
30511-22 |
| COSMOSIL® 140 Silica Gel 60-N |
100g |
30518-94 |
| 500g |
30518-65 |
| 1kg |
30518-81 |
| 25kg |
30518-52 |
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| (C)2004 Nacalai Tesque, Inc. E-mail: info.intl@nacalai.co.jp |