What is the difference between a union and an adapter in HPLC – FAQ

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ARTICLES, APPNOTES, FAQ (9289)
- AppNotes Library (1888)
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- Frequently Asked Questions?? (3402)
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April 21, 2012
Bill Ciccone

ARTICLES, APPNOTES, FAQ / Chromatography Accessories & Supplies Information / Column Hardware FAQ / Fittings & Tubing for HPLC FAQ / Fittings Connectors Nuts Ferrules Information / Frequently Asked Questions?? / HPLC Column Information / HPLC Tips and Suggestions / Tubing Information / Unions

The biggest difference is the price where a union is much less expensive than an adapter.

For performance considerations, a union will make a connection between tubing and fittings that have the same thread size and thread count configurations. An adapter will connect two different thread sizes and thread count.

Click HERE for HPLC fittings ordering information and pictures.

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