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Beckman Coulter bare fused-silica capillaries are routinely used for a variety of CE separations. The pKa of fused silica is about 1.5. The degree of ionization of the walls of these capillaries is controlled by the pH of the buffers used for separation.
Pre-Bu
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Untreated Fused-Silica Capillaries
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Pre-Burned Windows
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| Part No. |
Description |
| 338475
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With preburned window - 20 µm ID, 375 µm OD, 27 cm total length/20 cm effective length (quantity 3).
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| 338451
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50 µm ID, 375 µm OD, 57 cm total length/50 cm effective length (quantity 3).
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| 338454
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Bare-fused silica capillary with preburned window - 75 µm ID, 375 µm OD, 57 cm total length/50 cm effective length (quantity 3).
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| 360801
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CE-MS Capillary, 50 µm ID, 111 cm total length (quantity 3)
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| 360800
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CE-MS Capillary, 75 µm ID, 111 cm total length (quantity 3)
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| 149053
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75 µm ID, 375 µm OD – 100 cm for MS interface (quantity 3).
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Without Pre-Burned Windows
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| Part No. |
Description |
| 360804
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| 338472
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Capillary, Untreated, 50 µm ID, 375 µm OD, 5 m length
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| 338473
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Capillary, Untreated, 75 µm ID, 375 µm OD, 5 m length
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| 338474
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Capillary, Untreated, 100 µm ID, 375 µm OD, 5 m length
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