Will acid washing autosampler vials have consequences or affect my chromatography – FAQ

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ARTICLES, APPNOTES, FAQ (9292)
- AppNotes Library (1888)
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April 14, 2020
Bill Ciccone

ARTICLES, APPNOTES, FAQ / Autosampler Vials Information / Crimp Top Vials & Cap FAQ / Frequently Asked Questions?? / Headspace Vial FAQ / HPLC & GC Standard Vials Caps & Inserts / HPLC Suggestions and Information / HPLC Tips and Suggestions / Inserts FAQ / MicroSolv Autosampler Vials FAQ / RSA Family of Vials / RSA Vials FAQ / Trouble Shooting Suggestions / U-2D Sample MGT FAQ / Vials & Caps General FAQ

What are the advantages and disadvantages of “acid washing” autosampler vials?

The main reason to “acid wash” autosampler vials is to reduce basic compound adsorption, due to native silanols onto the glass. Some of the consequences to acid washing include time and materials to wash but also you run the risk of chloride and sodium residue left in the vials as well as other trace elements found in the reagents.

We suggest you use RSA™ vials when adsorption of basic compounds is of concern or possible. Since RSA has virtually no silanols, acid washing is not necessary when using RSA autosampler vials.

Click HERE for RSA™ autosampler vial technical and ordering information.

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