The Department of Commerce's National Institute of Standards and Technology (NIST) is seeking to procure an Electrochemical Liquid TEM Holder System with Heating/Cooling through a combined sources sought notice and notice of intent to sole source. This acquisition is part of the CHIPS R&D Metrology Grant Challenge Project 7.03, aimed at developing thermodynamic datasets and measurement platforms for critical material recovery from microelectronic waste. The system must be compatible with Thermo Fisher Scientific TEMs and X-ray scattering beamlines, featuring integrated electrochemical and temperature control capabilities, along with specific design requirements and comprehensive support services. Interested vendors should contact Nina Lin at nina.lin@nist.gov or Donald Collie at donald.collie@nist.gov for further details, as market research has indicated that Protochips, Inc. is the only capable source for this procurement.