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Tube connection unions

Standard ¼-inch o.d. tubes can be connected in series using ¼-inch–¼-inch stainless steel unions fitted with the same one-piece PTFE ferrules used in ¼-inch storage caps. After sampling, the tubes are disconnected, capped and stored individually prior to analysis.

Linking sorbent tubes in series allows the use of sorbent combinations that cannot be packed into a single tube. It also completely eliminates the risk of higher-boiling analytes migrating to the stronger sorbents during sample storage.

SKUDescription 
C-UNS10 Unions, ¼"-¼", stainless steel & ¼" PTFE ferrules, pk 10 Contact your local distributor for pricing
C-UNS100 Unions, ¼"-¼", stainless steel & ¼" PTFE ferrules, pk 100 Contact your local distributor for pricing

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UK
UK
Markes International Ltd
Gwaun Elai Medi-Science Campus
Llantrisant
RCT
CF72 8XL, UK
Tel: +44 (0)1443 230935
Germany
Germany
Markes International GmbH
Schleussnerstrasse 42
D-63263 Neu-Isenburg
Frankfurt
Germany
Tel: +49 (0)6102 8825569
USA (West)
USA
Markes International, Inc
2355 Gold Meadow Way
Gold River
California 95670
USA
Tel: 866-483-5684 (toll-free)
Part of Schauenburg International
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