Wheaton Purge & Trap System

Wheaton purge and trap apparatus for use in trapping volatiles onto S.I.S. desorption tubes

100 ml Purge and Trap System

The Wheaton Purge and Trap Apparatus is widely used for the isolation of pollutants in soil, sediment, waste water, and other solid and liquid samples by purging a clean gas over and thru the sample contained therein and trapping the purged volatiles on adsorbent traps. This device has been modified by S.I.S. to trap these volatiles on the S.I.S. GLT Thermal Desorption Tubes. The 1000 ml version of this apparatus can purge and trap benzene in water down to 1 ppb using conventional GC or GC/MS techniques.

1000 ml Purge and Trap System

A variety of purge gas tubes can be used including a plain 1/4" diameter glass tube, 1/4" stainless steel tube, or the diffusion tube which includes a fine frit on the end of the tube to deliver the purge gas in small bubbles to better purge the volatiles from liquid samples. These tubes can be fitted to the purge gas source via Swagelok connectors with PTFE ferrules or via inert plastic tubing.

The S.I.S. GLT Thermal Desorption tubes are screwed into the adaptor fitting and a seal made via the standard PTFE washers. This adaptor in turn fits into the plastic adaptor on the Wheaton glassware.

The systems include glass vessel and all fittings as shown including adaptor (781010), GLT tube, PTFE seal and S.S. cap with hole (781007).

The Wheaton Purge and Trap System is based on a design by T. Sabatino, PhD, Cook College

Part No.	UOM	Screw Thread Size	pkg of	ship wt.	Quantity In Stock	Price / Pkg.	Quantity (pkg) to order
991785SYS	Complete 1000 mL Wheaton Purge and Trap System (includes 781011 Adaptor, GLT Tube, PTFE Seal and 781007)
	EA	---	---	5	0(#)	$585.00
991765SYS	Complete 100 mL Wheaton Purge and Trap System with fittings (includes 781010 Adaptor, GLT Tube, PTFE Seal and 781007)
	EA	---	---	5	0(#)	$490.00
991785	1000 mL capacity Purge Vessel with Cap
	EA	---	---	5	2	$402.00
991765	100 mL capacity Purge Vessel with Cap
	EA	---	---	5	1	$341.00
165996	Wheaton Thermometer Adapter
	Case	20-400	1	0.992	3	$34.89
781011	SS Desorption to 1/4in Tube Connector
	EA	---	---	0.25	93	$38.00
991783	Diffusion Tube. 1/4in O.D. with glass frit
	EA	---	---	5	2	$48.00
165988	Adaptor, 1/4 in Tube, 13-425
	EA	---	---	0.25	2	$30.00
662004	S.S. Desorption cap with hole
	EA	---	---	0.25	4	$28.00
781007	S.S. Desorption Tube Cap with 0.040in hole for conditioning GLT tube
	EA	---	---	2	617	$8.75
(#) Standard lead-time for out-of-stock items is approximately two weeks.
Ordering information. International (non-US) prices available through your local dealer.

Part No.	OD (in)	ID (in)	Thickness (in)	Cap Seal	Top Seal	Needle Seal	Acc Seals	pkg of	UOM	ship wt.	Quantity In Stock	Price / Pkg.	Quantity (pkg) to order
781004	PTFE Washers
	0.21	0.12	0.06	Yes	Yes	Yes	Yes	10	PK	0.25	211	$7.00
Ordering information. International (non-US) prices available through your local dealer.

Part No.	Cap	Screw Thread Size	pkg of	UOM	ship wt.	Quantity In Stock	Price / Pkg.	Quantity (pkg) to order
125480	Wheaton Wheaton Connection(R)
	White Polypropylene	13-425 and 20-400	6	EA	0.992	17	$69.85
Ordering information. International (non-US) prices available through your local dealer.

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