I see black spots in my amber vials are they be a source of contamination – FAQ

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ARTICLES, APPNOTES, FAQ (9292)
- AppNotes Library (1888)
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April 15, 2015
Bill Ciccone

ARTICLES, APPNOTES, FAQ / Autosampler Vials FAQ / Autosampler Vials Information / Crimp Top Vials & Cap FAQ / Frequently Asked Questions?? / Headspace Vial FAQ / HPLC & GC Standard Vials Caps & Inserts / MicroSolv Autosampler Vials FAQ / RSA Family of Vials / RSA Vials FAQ / Trouble Shooting Suggestions / Vials & Caps General FAQ

These spots are most likely the remnants of the vial forming process and are comprised of amber glass and trapped air. They are not a source of contamination.

When two different QC tests are run on these vials it verifies that these types of spots do not cause any adverse effects in performance. The results of both an HPLC test and an expert microscopy test point to no manufacturing defects.

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