The National Institute of Standards and Technology (NIST) is conducting market research via a sources sought notice to identify potential suppliers for a new X-ray diffractometer system to support catalyst testing and characterization. The required system must perform powder analysis, grazing incidence, and X-ray reflectivity measurements, with specific performance criteria for the X-ray source, optics, detector, and stages. Respondents must provide company details, product specifications, pricing, and feedback on the draft requirements; proprietary information must be clearly marked. No solicitation exists at this time, and the government will not pay for submitted information. Interested parties should respond voluntarily to help NIST determine its acquisition strategy and potential set-aside options.