Columns and Fittings

Inlet inserts

WARNING Exercise care! the oven, and/or inlet, or detector fittings may be hot enough to cause burns.

Figure 1-9

Flared End

Insert

Installing a Glass Insert in a Packed Column Inlet

1.In handling the insert, avoid contaminating its surface (particularly its interior).

2.Remove the septum retainer nut and septum.

3.Carefully remove the old insert (if present) by withdrawing it straight up. A match stick or similar fibrous item may be used as an aid in lifting the insert from the inlet.

4.Install the new insert by dropping it carefully, straight into the inlet liner, flared end up.

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