Click HERE for Frequently Asked Questions (FAQ) about RSA™ Low Volume Inserts.


Click HERE for Application Notes on adsorption qualities of RSA inserts.


Our goal is to provide the best Customer Experience possible. If you cannot find what you are looking for, have any questions or would like to give us a suggestion please use any of the following ways to contact us directly. We would love to hear from you.

  • Call us: 8:30AM – 6:00PM EST 1-732-380-8900 and hit 0#

  • Fax to us: 1-910-769-9435

  • Email Customer Support


We are always ready to lend any support we can. Our experienced scientists and professionals are ready to assist you with any technical support questions. Every question is considered a good question and we will work with you on a solution as fast as possible.

  • Call us: 8:30AM – 6:00PM EST 1-732-380-8900 and hit 0#

  • Fax to us: 1-910-769-9435

  • Email Technical Support


Full range | Glass and plastic | Precision & economical | RSAinserts.

Our “low volume inserts” for autosampler vials are among the best and are market leading inserts worldwide. These inserts allow liquid samples, with very small volumes, to be accurately injected into your instrument with minimal evaporation or loss of sample due to the low “residual volume” or adsorption to the insert walls.

Our range extends from low cost, flat bottom borosilicate glass inserts to mandrel point, precision inserts made with RSA™ glass with attached polymer springs. Surface treated RSA-Pro X™ for proteins is available in our U-2D™ Sample Management System.

Factors that should be considered when choosing an insert is, vial compatibility, center alignment in the vial in accordance with the injector specifications, material the insert is made from, consistency of the bottom well and internal dimensions from lot to lot.

  • BASIK™ brand inserts - Economical, non-critical use.

  • AQ™ brand inserts - Best dimensional control for superior results.

  • MicroSolv™ brand inserts - Pharm grade glass with excellent dimensional design.

Click HERE for U-2D™ Micro Sample Management System of inserts in racks.

Click HERE for U-2D RSA-Pro X™ surface treated inserts.

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