| 摘要 |
<p>The invention concerns a device for sampling various volatile species traces present in a gaseous atmosphere for assay, comprising a cryogenic water trap (4) provided with a cooling circuit (16) whereon one inlet end (17) is connected to a cryogenic condenser (5) cooling circuit (30) output end (41), such that the same cryogenic fluid successively passes through the cryogenic condenser (5) cooling circuit (30) and the water trap (4) cooling circuit (16).</p> |
