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Vial Inserts

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When sample volume drops below what a standard autosampler vial can reliably deliver to the needle, a vial insert is the simplest and most cost-effective solution available. Inserts sit inside a standard 1.5 mL or 2 mL autosampler vial and concentrate the remaining sample at the base, positioning it directly in the needle draw zone and eliminating the dead volume gap that causes inconsistent injections and early sequence termination. For methods working with limited biological extracts, expensive certified reference standards, low-yield solid phase extraction fractions, or any sample where volume is constrained and re-preparation is not practical, inserts allow laboratories to recover every measurable microliter without switching to a specialized vial format or modifying instrument parameters. The insert approach also preserves compatibility with existing cap and closure inventory, making it the lowest-disruption solution for trace-level work on standard autosampler configurations.

 

Ibis Scientific stocks a full range of vial inserts in glass and polymer formats to match the demands of different matrices, solvents, and detection methods. Our selection includes clear and silanized glass inserts for low-adsorption performance with basic and polar analytes, polymer and polypropylene inserts for aggressive aqueous matrices, conical and flat-bottom designs to suit different needle geometries and injection volumes, and pre-assembled insert vials with inserts factory-positioned for immediate use. Insert capacities range from 0.1 mL micro formats through 0.3 mL and 0.4 mL standard sizes, and all options are dimensionally compatible with vials fitting Agilent™, Waters™, Shimadzu™, Thermo Scientific™, and Perkin-Elmer™ autosampler platforms. Contact Ibis Scientific for assistance selecting the right insert material and geometry for your application, or for volume pricing on high-use insert programs.

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