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Click HERE for technical information on RSA vials including application note.


No Application Notes information

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RSA™ Center Draining Vials | Low Volume Inserts | MRQ Vials

Vials and Inserts with Reduced Surface Activity (RSA) glass for the very best chromatographic results when you have limited samples or want to use almost 100% of your sample. 

  • Adsorption of low abundance, basic compounds minimized.

  • Samples will be pH stable, even in 100% aqueous diluent.

  • Lowest surface metals even compared to "Certified", excellent for LCMS.

  • Center Draining Vials & Precision Limited Volume Inserts for 2ml Vials.

RSA™ Center Draining vials are made with our patented manufacturing techniques and are designed for the most demanding autosamplers on the market but also with reduced surface activity compared with every other vials on the market. Samples will fully drain to the bottom since there are no ridges on the wall and have completely smooth interiors.

RSA™ Max Recovery™ Vials have a 1.8ml total capacity with a concave bottom drain. These vials are also used in our Vial Centrifuge.

RSA™ MRQ Vials™ have a 1.2ml total capacity. The bottom drain has a small and narrow pool area to collect your sample up to 2ul. As this space is slightly larger than an autosampler needle it creates the perfect way to minimize residual or dead volume sample loss.

RSA™ Fused Insert Vials have a 300ul total capacity with precision manufactured RSA glass inserts for the lowest dead volume and smallest amount of headspace. MicroSolv™ fused insert vials are “fused” with a small section of the insert above the lip of the vial for excellent sealing against the cap septa. Your sample cannot spill into the vial even if it’s turned upside down.

  • Click HERE for more information about RSA™ Glass.


The Selection "FILTER" buttons refine the Products displayed in the Ordering Chart. They are described below and listed alphabetically by FILTER.

  • Attached Springs - Polyethylene springs on the RSA glass insert to keep the insert aligned properly for your autosampler.

  • Cap Color: Blue.

  • Center Draining - Vials without inserts designed with smooth internal surfaces that slope to a point.

  • Fused Insert - Vials with precision glass inserts fused in the vials.

  • Kits: RSA™ Vials & AQR™ Caps together in a kit package.

  • Low Volume Vials - Vials sold separately, not kit packs

  • Polyethylene Caps - Easy Purchase Packs" are combination of 100 vials and 100 single use, PE Caps. Excellent for LCMS.

  • Precision Point - Inserts of the highest quality and reproducibility.

  • RSA-Pro™ - RSA™ Vials and Inserts that are surface treated for hydrophilic samples such as proteins and peptides.

  • RSA™ Brand Vial Kits - Easy Purchase Packs with 100 Vials & 100 Soft-Guard™ or MicroSolv™ brand caps.

  • RSA™ Glass Inserts - Inserts made with RSA™ glass.

  • Screw Top Vials: 9mm vials made with RSA™ glass.

  • Septa: Non-Slit or Pre-Slit septa.

  • Snap Top Vials - RSA™ Snap Top Vials for use with Snap Caps.

  • Soft-Guard™ Caps - Our most popular caps. Highest quality polypropylene caps with a proprietary blend of silicone rubber designed to reseal more times and for minimizing resistance and damage to the autosampler.

  • Vial Color: Amber, Amber WriteOn, Clear or Clear WriteOn.

  • Volume: 1.2ml - MRQ™, 1.8ml, 2ml or 300ul.

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