Viper Fitting on Phenomenex column. Viper PEEK tip removed

Discussions about HPLC, CE, TLC, SFC, and other "liquid phase" separation techniques.

4 posts Page 1 of 1
Anyone seen this before?

Running a Phenomenex column last night on the instrument and it looks like the tan/grey PEEK at the tip of the Viper fitting came off. The PEEK tip is now lodged in the column inlet.
Never had this issue with any other manufacturers column.
Anyone else observed this issue? More importantly, anyone found a fix?
Fix? seriously, do not use Viper fittings. We hate them and do not recommend them at all. Poor value, poorly made. IDEX sells some nice universal ones instead.
You can try this: get a small jeweller's screwdriver (with the shaft narrower than 1/16", obviously). Using an insulated glove, hold the tip and shaft in contact with a hot plate to get it good and hot, then rapidly shove it into the fitting. Hopefully, the tip will be hot enough to melt its way into the tip. Wait a minute or so and then carefully use the screwdriver to twist the ferrule loose enough to get it out.

No guarantee here; I've done this sort of thing to remove the stub of a PEEK fitting, but that was larger, and had threads so it could be unscrewed.
-- Tom Jupille
LC Resources / Separation Science Associates
tjupille@lcresources.com
+ 1 (925) 297-5374
The dental tools that Restek sells to remove GC ferrules might work also. They are sharp screw threaded tapered probes that you can screw into the soft ferrule material and then wiggle it and work it loose.

https://www.restek.com/catalog/view/443

For more difficult removals I keep as set of these around too.

https://www.restek.com/catalog/view/67
The past is there to guide us into the future, not to dwell in.
4 posts Page 1 of 1

Who is online

In total there are 11 users online :: 0 registered, 0 hidden and 11 guests (based on users active over the past 5 minutes)
Most users ever online was 599 on Tue Sep 18, 2018 9:27 am

Users browsing this forum: No registered users and 11 guests

Latest Blog Posts from Separation Science

Separation Science offers free learning from the experts covering methods, applications, webinars, eSeminars, videos, tutorials for users of liquid chromatography, gas chromatography, mass spectrometry, sample preparation and related analytical techniques.

Subscribe to our eNewsletter with daily, weekly or monthly updates: Food, Environmental, (Bio)Pharmaceutical, Bioclinical, Liquid Chromatography, Gas Chromatography and Mass Spectrometry.

Liquid Chromatography

Gas Chromatography

Mass Spectrometry