GC Cryo-Trap

New Programmable Cyro-cooling and heating trap for the Cryo-focusing of volatiles and semivolatiles at the head of GC capillary columns.

GC Cryo-Trap

Electronics Controller Model 951 (CO2 coolant) or Model 961 (LN2 coolant)

• Theory of Operation - Description

• Application Note # 19 - Design and Application of the SIS GC Cryo-Trap
• Application Note # 24 - Selection of GC Guard Columns for Use with the GC Cryo-Trap

Features

• Reduction of C02 or LN2 use by 90% as compared to cooling the entire oven.
• Improve Chromatographic resolution of early eluting peaks
• Dual programmable cryo-cooling and heating cycles
• Trap compounds in the GC oven at the head of the GC column.
• Remote input connector for cryo-cooling to heating cycle switching via GC, Desorption system or manually.
• Rapid heating up to 400 deg C at > 800 deg C per minute.
• Remote start output signal for starting GC, MS or recorder.

Applications

• Thermal Desorption Sample Trapping
• Purge and Trap Systems
• GC Headspace Sample Analysis
• Multi-dimensional GC applications

Installation and Operation Directions

• Model 951 Installation
• Model 961 Installation
• Model 951/961 Operating Directions

Ordering Information

• Model 951/961 Ordering

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ADDRESS: Scientific Instrument Services, 1027 Old York Rd., Ringoes, NJ 08551.