The Air Force Petroleum Office is seeking to purchase one automated potentiometric mercaptan sulfur titrator instrument. The instrument is designed to determine mercaptan sulfur content in gasolines, kerosene, aviation turbine fuels, and distillate fuels within the range of 0.0003% to 0.01% by mass. It must analyze fuels in accordance with ASTM D3227-24 and the attached Statement of Work. No specific budget, performance location, or submission timeline is provided in the description.