Dursan Coated HPLC Columns Comparison to PEEK Column Performance – Tips

Dursan is Excellent for any Compound that will Interact with Stainless Steel PEEK is a highly inert material which has been used in HPLC applications for years. However PEEK has some limitations: Mechanical strength: PEEK begins to flex at 3000 to 5000 PSI, making it unsuitable for UHPLC and other applications where high pressure is […]

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How to Keep Dursan Coated Frits from Biofouling – FAQ

Non surfactant, Brij-35 to Reduce Biofouling When many proteins get trapped on or adhere to Stainless Steel Frits that are hydrophobic like Dursan surfaces, it is a good idea to add Brig-35 to a wash buffer to facilitate removal of very sticky proteins including BSA, mouse IgG and human plasma proteins. Brig-35 will not diminish […]

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When to Use PEEK or Stainless Steel for HPLC Column Hardware – Tips

Data in certain types of analyses may be adversely affected by use of stainless steel HPLC columns. In these cases, you may want to consider a column made of PEEK hardware instead of traditional stainless steel. Mainly used in Ion Chromatography and for some bioactive compounds, PEEK columns may lack column to column precision and […]

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