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Although some basic compounds can be analyzed effectively at low pH, there are many circumstances where one may wish to operate at a higher pH to better differentiate sample mobility, effect solubility or induce electroosmotic flow. The amine capillary was generated for this purpose. The Beckman Coulter amine capillary utilizes a dynamic coating on its surface that by washing with the amine regenerator between runs assures a uniform capillary coating from run to run. This capillary has been used effectively for basic proteins, basic drugs and even for the separation of glycoforms. The surface that is created is a cross-linked polymer with a quaternary ammonium ion providing a uniform positively charged surface and a consistent electroosmotic flow.
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eCAP™ Amine Capillary
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These capillaries have been coated with the amine polymer and must be used in combination with the amine regenerator solution P/N 477433.
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| Part No. |
Description |
| 477431
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eCAP Amine Capillary, 50 µm I.D., 65 cm total length, 12 cm from window to outlet (quantity 1).
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| 477433
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eCAP Amine Capillary, 75 µm I.D., 65 cm total length, 12 cm from window to outlet (quantity 1).
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