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This report describes a technique for the separation and purification of an isotopically labelled methane (C(13)D(4)) from field collected air samples. The methane is separated from air firstly by a cryogenic gas separation system, and then by a six metre molecular sieve column. The separated methane is collected in a sampler, from which a desired amount can be withdrawn by a syringe and injected onto an analysing instrument.

Additional information

Authors: PFEIFFER W, JRC Ispra (IT)
Bibliographic Reference: EUR 12123 EN (1990) 25 pp., MF, ECU 4
Availability: (2)
Record Number: 199010214 / Last updated on: 1994-12-01
Original language: en
Available languages: en
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