<p>The separation of gaseous mixtures by gas chromatography, e.g. mixtures of hydrogen isotopes, is carried out in one or more columns having either an ascending or descending temperature profile. Preferably, two or more columns are used in series and comprising a column with an ascending temperature profile, preceded and/or succeeded by a column with a descending temperature profile.</p>
申请公布号
EP0602924(A2)
申请公布日期
1994.06.22
申请号
EP19930310043
申请日期
1993.12.13
申请人
CHEH, CHRISTOPHER HUK-SHI;CHANG, SHINN-DER;WENG, CHENGWEN;TANG, YUANMING;HOLZHUETER, INGO BERND;HAWTHORNE, SAMUEL HUGH
发明人
CHEH, CHRISTOPHER HUK-SHI;CHANG, SHINN-DER;WENG, CHENGWEN;TANG, YUANMING;HOLZHUETER, INGO BERND;HAWTHORNE, SAMUEL HUGH