https://www.nist.gov/programs-projects/study-microheterogeneity-solid-reference-materials
Study of Microheterogeneity in Solid Reference Materials | NIST
Mar 26, 2025 - Presently there are a variety of analytical techniques that are served by few or no reference materials due to the small sample sizes they require. NIST...
reference materialsstudymicroheterogeneitysolidnist