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New Standard Reference Materials (SRMs) consisting of activated carbon sorbent materials and flue gas desulfurization (FGD) gypsum are being developed to
NIST maintains an active role in these two CCQM working groups, participating in international key comparisons and pilot studies, organizing new studies, and
Analysis of soils for metals and other elements is essential in assessing environmental compliance and the impacts of potentially toxic elements on human
The Chemical Sciences Division is helping to support nanotechnology research being conducted throughout NIST by developing and applying methods for the chemical
A wide range of industrial sectors and their customers and suppliers are involved directly with NIST in the prioritization and development of certified
Chemical metrology for polymers manufacturing is a new area of endeavor for the Chemical Sciences Division. At the outset, efforts have involved mostly
The National Institute of Standards and Technology (NIST) established the Clinical Measurements Quality Assurance Program (ClinQAP) to support the measurement
Cement manufacturers and their customers rely on the NIST Portland cement SRMs for laboratory qualification under ASTM International C 114-07 Standard Test
The National Institute of Standards and Technology (NIST), in collaboration with the Centers for Disease Control and Prevention (CDC), has developed Standard
As part of a multi-year interagency agreement between the National Institute of Standards and Technology (NIST) and the Centers for Disease Control and
The National Institute of Standards and Technology (NIST), in collaboration with the National Institutes of Health (NIH) Office of Dietary Supplements (ODS)
Nanoparticle-based consumer products are becoming available in the market at an increasing rate, but the safety of nanoparticles and the environmental fate of
NIST assigns assay values for a suite of high-purity reagents using two techniques: coulometry and titrimetry. Coulometry is based on Faraday's Laws of
The National Institute of Standards and Technology (NIST) established a Food Nutrition and Safety Measurements Quality Assurance Program (FNSQAP) to support the
To support regulatory and industry requirements for reference materials and standards, NIST produces and maintains a large inventory of fossil fuel SRMs that
The National Institute of Standards and Technology (NIST) established a Health Assessment Measurements Quality Assurance Program (HAMQAP), in part as a
Recent innovative advances in the design and manufacture of isotope ratio mass spectrometers (IRMS) have revolutionized the study of natural and man-induced
Using high-performance inductively coupled plasma optical emission spectrometry (HP‑ICP-OES), relative expanded uncertainties on the order of 0.2 % can be
Because of NIST's role as the National Metrology Institute (NMI) in the U.S., the Chemical Sciences Division's measurement capabilities must be benchmarked
High precision stable isotope ratio measurements are being used in biological specimens to provide new insights into environmental and climate processes and
For the past 40 years NIST has developed SRMs for the determination of inorganic and organic contaminants in environmental matrices such as sediments/soils
For the past 25 years NIST has developed a number of biological fluid and tissue Standard Reference Materials (SRMs) primarily for clinically important analytes
All industrial sectors rely on elemental analysis and physical properties testing to confirm product compliance with manufacturing specifications. Support of