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Kromasil is manufactured by Eka Nobel, Sweden. It has been designed for both analytical and preparative scale liquid chromatography applications and is available in six particle sizes ranging from 3.5um to 16 um. A choice of particle size enables the chromatographer to optimize a separation in the most economic manner. Kromasil’s spherical uniform particles have a narrow pore size distribution and a unique surface chemistry. They give high chromatographic performance in both large and small scale applications. ES Industries has an extensive amount of experience in providing the best quality Kromasil packed columns in the industry.
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| Properties of Kromasil Silicas |
| Particle Size µm |
3.5,5,7,10,13,16 |
| Pore Diameter A |
100 |
| Pore Diameter Range A (80%) |
75-125 |
| Surface Area BET m2/g |
340 |
| Pore Volume BET mL/g |
0.9 |
| Sodium |
25 ppm |
| Aluminum |
25 ppm |
| Iron |
25 ppm |
| % Carbon Loading of Bonded Kromasil Phases |
| Material |
Carbon % |
| Kromasil 100-C1 |
4.7 |
| Kromasil 100-C4 |
8.0 |
| Kromasil 100-C8 |
12.0 |
| Kromasil 100-C18 |
19.0 |
| Kromasil 100-NH2 |
1.5% Nitrogen |
| Kromasil 100-CHI-DMB |
14.5 |
| Kromasil 100-CHI-TBB |
15.0 |
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