Except for the obvious, there is no difference between Amber and Clear RSA glass, chromatographically speaking.

Regarding adsorption of Basic Analytes or effect of pH on Sample Diluent, we have not observed any differences from our QC testing and our R&D experiences.

Typically one would choose amber over clear glass in situations where light-sensitive analytes are involved. Amber RSA™ vials are made with N51A expansion glass and Clear RSA Vials are made with 33 expansion Glass.

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