Patent ID: 11959896
Assignee: MICROMASS UK LIMITED
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 19:
20. A system comprising:
a transfer line comprising:
a transfer probe having a probe bore to receive a gas chromatography column;
a sealing cap movably mounted for linear translation at a first end of the transfer probe; and
a bias element arranged to bias the sealing cap away from the first end of the transfer probe,
the transfer probe having at least one auxiliary fluid bore, the probe bore and the at least one auxiliary fluid bore terminating on an axial end face of the transfer probe and spaced apart from one another; and

a source block for an ion source, the source block comprising an engagement surface for engagement with the transfer probe in use, wherein the source block comprises a transfer port and at least one auxiliary fluid transfer channel, wherein the transfer port and the at least one auxiliary fluid transfer channel are arranged so as to substantially align, in use, with a respective one of the probe bore and at the at least one auxiliary fluid bore.