4. How to mount the emitters

Select an appropriate union to connect your analytical column to the bare capillary emitter. Common union/fitting options: Valco 360 metal union, Valco  reducing union, IDEX plastic union.

Valco 360 metal union

IDEX plastic union

Valco reducing union

Note that for the PEEK union voltage must be applied at the column inlet.

After connecting the column and emitter, place the union in the cradle of the Flex source arm and secure it in position. If applying voltage at this junction, you may need to connect the voltage applicator before or after securing the union, depending on your setup.

Emitter union in cradle Union secured

And other adapters, e.g., ESI adapter, and other emitter adapters.