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| Microbore columns for HPLC |
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| Features |
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analytical column system for rapid HPLC and LC/MS analyses with high resolution
available lengths: 40, 60, 100, 125, 150, 200, 250 and 300 mm
available inner diameters: 0.05, 0.075, 0.1, 0.15, 0.3, 0.4, 0.5, 0.75, 1 and 1.5 mm
Microbore columns up to 0.3 mm ID are fused silica capillaries, while microbore columns with 0.3 – 1.5 mm ID are stainless steel columns. |
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supplied with NUCLEODUR® and NUCLEOSIL® RP phases |
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guard columns for microbore columns are available on request |
Change of flow rate and solvent saving as a function of the column inner diameter
| ID-> |
1 mm |
2 mm |
3 mm |
4 mm |
4.6 mm |
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| Flow rate [ml/min] |
0.06 |
0.25 |
0.56 |
1.0 |
1.3 |
| Solvent saving |
~ 95 % |
~ 81 % |
~ 57 % |
~ 25 % |
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| Increase in sensitivity |
~ 21.7 |
~ 5.3 |
~ 2.4 |
~ 1.3 |
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| for a constant length relative to a column with 4.6 mm ID and a flow rate of 1.3 ml/min for isocratic application |
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