InertCap Pure-WAX ProGuard GC Column, 30 m x 0.25 mm, 0.25 µm df

Guard column is to protect the analytical column from contamination, not allowing nonvolatile materials to reach the analytical column. Retention gap is to help focus the compounds in large volume injected from the inlet to a small band at the head of the analytical column.

• Minimize matrix effects
• Expect longer column life time

 

• Trap foreign substances
• Protects analytical column