MilliporeSigma™ Supelco™ Purge/Trap I Vocarb™ 4000

Specific configurations available for a variety of instruments

Catalog Number	Mfr. No.	For Use With (Equipment)
11-100-4293	MilliporeSigma™ Supelco™ 24938	OI Analytical Eclipse 4660, 4560
11-100-4526	MilliporeSigma™ Supelco™ 20308	Tekmar™ Velocity XPT, LSC-1, LSC-2, LSC-2000, 4000 (Straight, 12 in., Swagelok Fitting), HT-3
11-100-4592	MilliporeSigma™ Supelco™ 24918	Tekmar™ 3000, 3100 (Straight, 12 in., Valco Fitting)
11-100-5455	MilliporeSigma™ Supelco™ 28996U	Tekmar™ Stratum

Description

• Tubes used in purge and trap analyses generally are packed with multiple beds of adsorbent materials
• A single tube can trap a broad range of polar and nonpolar, high and low molecular weight compounds
• Each bed protects the next, increasingly active bed, by preventing compounds from being held so strongly that they cannot be desorbed quickly without decomposition
• During the purge phase of sampling, lower molecular weight compounds pass through the initial adsorbent beds but are trapped by succeeding beds
• During desorption, the carrier gas passes through the trap in the reverse direction of purge flow, so that higher molecular weight compounds never come in contact with the stronger (innermost) adsorbents

Specifications

• Type: Purge/Trap I
• For Use With (Application): Industrial Hygiene

Vocarb is a registered trademark of Siemens Industry, Inc.