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Photopolymerized sol–gel monolithic columns for use in capillary electrochromatography were prepared in 125μm i.d. polyacrylate-coated fused-silica capillaries. The polyacrylate-coating, unlike the polyimide one, is transparent to the radiation used (≈370nm), and thus, no coating removal is necessary. This is a very important particularity since intrinsic capillary column characteristics, such as...
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