ION Chromatograph System

The Department of Agriculture Agricultural Research Service is soliciting quotations for purchase and delivery of an ion chromatograph system for anion and cation analysis, with proposals due July 15, 2026 at 5:00 PM Eastern Time and questions due July 13, 2026 at 12:00 PM Central Time. This is a Total Small Business Set-Aside; all responsible sources may submit quotations.

Place of performance is Florence, South Carolina (USDA-ARS Coastal Plains Soil, Water & Plant Research Center). The ion chromatograph must perform anion analysis (fluoride, chloride, nitrite-nitrogen, nitrate-nitrogen, phosphate-phosphorus, sulfate-sulfur) consistent with ASTM D4327-11 and cation analysis (sodium, ammonium-nitrogen, potassium, magnesium, calcium) consistent with ASTM D6919-09, measure selenium, and be compatible with a Thermo-Fisher Scientific AS-AP Autosampler and Chromeleon software. Delivery is required within 60 days of contract award. The NAICS code is 334516 (Analytical Laboratory Instrument Manufacturing) with a small business size standard of 1,000 employees. PSC is 6640, Laboratory Equipment And Supplies.

A single firm fixed price award is anticipated. Quoters must submit firm fixed price quotations on company letterhead detailing all costs including shipping, valid for 60 days after receipt; completed SF-1449 form; SAM.gov Unique Entity ID; and documentation demonstrating technical acceptability and ability to meet schedule requirements. Past performance will be evaluated as acceptable, neutral, or unacceptable. This announcement constitutes the only solicitation; a separate written solicitation will not be issued. The contracting officer is Elizabeth R. Calhoun; the technical point of contact is Thomas F. Ducey.