| 摘要 |
<p>An improved process for etching a surface of a glass capillary column in which ammonium bifluoride in an organic solvent is passed slowly through the capillary bore for a prolonged period, followed by rinsing with an organic solvent, thereafter a gradually diluting rinse mixture of an organic solvent and water, and finally a pure water rinse. A very fine structured etch of uniform depth is produced with no apparent air entrainment making the columns suitable for all standard stationary phase coating procedures.</p> |
