TM The Advantage
Is your data at risk due to the reactivity of your autosampler vials?
• Detect low abundance analytes normally adsorbed by glass • Prevents pH changes in vials before injection even hours later • Prevents sample hydrolysis that can occur in your vials • Not Coated or Silanized • Patent Pending
Advanced Quality (AQ™) vials and inserts manufactured with RSA Glass™ have reduced surface activity due to the elimination of the layer of silicate that results when vials are normally manufactured. This layer contains silanols and surface metals that contaminate analyses with detrimental effects on your results. When using ordinary borosilicate glass autosampler vials and inserts, sample diluents (such as water) can de-protonate the many hydroxyl groups on the wall of your vial which produces a negative charge on the glass. The “acidic” functionality of these silanols has been known to cause adsorption of basic compounds, change the pH of the sample solution and/or hydrolyze some susceptible compounds making them undetectable. The surface metal contaminants can cause precipitation, chelation or other changes in your samples while in the vial. With RSA Glass™ vials and inserts there is virtually no “loss to the vial”, no “pH shifting” or other problems thus making your analysis more reliable, lot to lot, run to run and day to day. Avoid frustration of unreliable data.
RSA™ autosampler vials and glass inserts are manufactured without using any type of coating, making them an excellent choice for LC, LCMS, GC and GCMS compared to coated vials for many applications.
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