A variety of lengths of the stainless steel sparging needles are available for the S.I.S. Purge & Trap system.

After conditioning and sample loading, the ends of the tubes are fitted with stainless steel caps with seals to maintain the integrity of the medium and sample.

SPTD Accessory

Vespel® ferrules contain 15% graphite and are ideal for glass and fused silica capillary columns.

The stainless steel metal frit spargers have been designed for use with the S.I.S. purge and trap system.

All tubes are constructed from borosilicate glass with 0.5" O.D. tube ends for mating with standard 1/2" fittings.

For loading small samples into Silco Coated desorption tubes

The Purge and Trap System consists of two single-ball rotameters with adjustable needle valve mounted on a nylon plastic base with an 18" long mounting rod support.

The top fitting of both purge heads consists of a 1/16" fitting for the attachment of the sparging needle followed by needle adaptor to seal the needle in place and provide for the attachment of the purging gas line.

The following glassware can be used in conjunction with the S.I.S. purge head adaptor to permit the use of the S.I.S. tube style liquid purge head for purging liquid and solid samples and trapping volatiles purged from the samples onto the S.I.S. Thermal Desorption Tubes.