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Safe Glass Moisture Trap

This high-capacity, high-efficiency trap is used for long-term protection of capillary column stationary phases against oxidation at GC operating temperatures. Can remove 3.5 g of oxygen and has an output efficiency of less than 10 ppb oxygen concentration at the outlet. Effective at removing sulfur compounds, such as hydrogen sulfide and mercaptans. Intended for use with nonoxidizing gases such as He, Ar, N2, H2 or CH4, containing less than 1% oxygen. The trap is filled with 500 cc of active oxygen adsorbent that binds covalently with oxygen; no gas is generated from this reaction. Maximum pressure is 1000 psi (69 bar). Dimensions are 5 x 37 cm including fittings, weight is 1.2 kg.

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Detail Information

In-line moisture trap. Drierite indicating agent and MolecularSieve 5A are packed in glass which is enclosed in a safety plastic tube in the event the glass breaks. Unique loading design allows operation in any orientation without channeling. For use with pressures up to 100 psig. Designed for use with GC detectors that require high-purity gases. Recommended for ELCD and ECD systems in which moisture and contamination are a problem. Trap is shipped active and purged with nitrogen. It is recommended that you purge the trap with the gas you plan to use. Approximate dimensions: 13/8 in. W x 10 1/4 in. H with 1/8 in. end fittings.


Hazard Symbols T N
Material Stainless Steel
Product Brand Name Gas Purifier
Product Group Gas Purifier
Type Moisture