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Ultra ALLOY® metal capillary columns are characterized by their inertness, high temperature stability and mechanical durability.

A high heat and contamination resistant column with a proprietary deactivation treatment on the inner surface of the stainless-steel tube.

It is more heat resistant than fused silica columns and can be used at 450 °C. In addition to low bleed and long life, there are many other benefits such as (1) prevention of column deterioration due to oil in the sample, (2) solvent-free cleaning, (3) low ghost peaks, (4) saving analysis time, and (5) high performance sustainability.

1. Inertness
The stainless-steel surface of the column is completely deactivated using a seven-layer process referred to as Ultra ALLOY®. The final layer is populated by silanol groups and is very similar to that of fused silica. It is designed to be used for a wide range of polysiloxane stationary phases.

2. High temperature stability
Ultra ALLOY® columns are available with a number of stationary phases including polydimethylsiloxane and polyphenyl-methylsiloxane. The Frontier stationary phase polymers bonded to the Ultra ALLOY® surface resist oxidation at elevated temperatures and can be rinsed with a number of common organic solvents.

3. Durability
Ultra ALLOY® columns are constructed of high-quality stainless steel. They are mechanically durable and compatible with both metal and graphite vespel ferrules. Using a metal column with a metal ferrule virtually eliminates leaks, even when the column is cycled over an extended temperature range.