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Solvents and solutions that should be avoided when using PEEK fittings or tubing.

Reference Number: AA-00716 Created: 05/12/2012 03:03 PM Last Updated: 07/03/2013 09:36 AM

The solvents and chemicals that should be avoided when using PEEK tubing and fittings include:
   Nitric acid
   Sulfuric acid
   Halogenated acids, including hydrofluoric, hydrobromic, and hydroiodic acids
   Pure halogentated gases
   Methylene chloride
   THF  tetrahydrofuran
   DMSO  dimethyl sulfoxide

Note that you can use Hydrochloric acid, all other HPLC grade solvents and HPLC buffers with most applications of PEEK tubing and fittings.

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