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What: SRM 3398 is a ground powder prepared from ginger rhizomes. A unit of SRM 3398 consists of 5 packets of material, each containing approximately 1.6 g of
Two new Standard Reference Materials from the National Institute of Standards and Technology give researchers and manufacturers a way to check the performance
Hemp and marijuana both come from the Cannabis plant. But legally, they are very different. If cannabis has less than 0.3% THC — for tetrahydrocannabinol, the
Consortium hosted by NIST and JIMB dedicated to authoritative characterization of benchmark human genomes. Sign up for General GIAB and Analysis Team email
The lack of repeatable process outcomes from additive manufacturing (AM) has been broadly acknowledged as an impediment to widespread implementation. While most
Chronic kidney disease (CKD) is a growing problem in the U.S., and current estimates suggest that more than 20 million Americans are affected by this disease
Richard M. Essex, Ross W. Williams, Kayron T. Rogers, Cole R. Hexel, Tashi Parsons-Davis, Kerri C. Treinen
A highly-enriched 233U reference material (>0.99987 n(233U)/n(U)) has been prepared and characterized for use as an isotope dilution mass spectrometry spike. An
Richard M. Essex, Ross W. Williams, Kerri C. Treinen, Amelie Hubert, Marc A. Humphrey, Jeremy D. Inglis, William S. Kinman, Joel Maassen, Maxim V. Penkin, Robert E. Steiner
A highly-enriched 244Pu isotope dilution reference material has been prepared and characterized for metrologically traceable measurements of very small
The Reference Transmission Densitometer (RTD) is the national reference instrument for standard diffuse visual transmittance density measurements for x-ray and
The NIST Physical Measurement Laboratory has established the color and appearance metrology facility to support calibration services for 0°/45° colored samples
The Divergent Beam Diffractometer is the primary instrument at NIST used to certify powder SRMs for their X-ray diffraction properties. It is a custom-built
The Parallel Beam Diffractometer laboratory is a highly-controlled space (0.01 degree C stability) containing a set of absolutely calibrated stacked goniometer