New-technology Ultimate Union kits eliminate the “arts and crafts” involved in connecting columns with a simple-to-use, fast and reliable solution, helping your lab work smarter. Quickly discover how much more productive your lab can be when you use Agilent Ultimate Union kits

Each Agilent Ultimate Union kit contains:

  • - 1 Union (your choice of deactivated or non-deactivated)
  • - 2 Internal nuts
  • - 1 Swaging nut
  • - 1 Oven wall clip

Ultimate Union Set

Note: Ferrules must be ordered separately to match your fused silica tubing/column ID

Product Specifications:

 Property  Specification
 Product dimensions  3/4 inch or 19.05 mm
 Materials of Construction  Stainless Steel
 Packaging type  Kit in bag
 Documentation included  Installation Guide
 Accessories included  Oven clip, swaging and internal nuts

Order the Ultimate Union Deactivated Kit for samples containing active compounds requiring an inert surface

Order the Ultimate Union Non-Deactivated Kit for most samples

Remember to order ferrules suitable for your column diameter:

Ultimate Union Ferrules

SS Fitting Comparison

Ultimate Union Comparison

Agilent’s Ultimate Union has lower dead volume than other metal column connector designs. The figure above demonstrates the design differences. The seal is made at the contact of the ferrule (light blue) and the metal fitting (green). The amount of dead or unswept volume in the Ultimate Union is limited to a very small space near the tip of the column which is easily flushed by gas flow to minimize sample tailing. The other design allows the sample to migrate into long, un-swept cracks and crevices causing peak tailing.

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