Projects/Programs

Displaying 1 - 25 of 36

Plastic Pollution Measurement Science

While plastics have yielded immense benefits to society, discarded plastics or plastic pollution has become a pervasive highly visible problem especially in the

Measurement Science of Per- and Polyfluoroalkyl Substances (PFAS)

Researchers at the National Institute of Standards & Technology are creating reference materials and data resources to address the per- and polyfluoroalkyl

Activated Carbon and FGD Gypsum Standard Reference Materials

New Standard Reference Materials (SRMs) consisting of activated carbon sorbent materials and flue gas desulfurization (FGD) gypsum are being developed to

Advanced Microscopy for Trace and Bulk Particle Characterization

Advanced microscopy and spectroscopy techniques are used in this project to study the chemical and physical properties of particles contained in complex

Analysis and Modeling of Atmospheric Particles to Assess Effects on Climate

Atmospheric aerosol particles often have compositions and shapes that cannot be described as a single material phase within a simplified geometric form such as

Assessing the Internal Structure and Composition of Climatically-Relevant Atmospheric Particles

Atmospheric particles with long atmospheric lifetimes affect Earth's radiative balance. These particles typically consist of multiple chemical species. The

Certification of Three Soil SRMs for Inorganic Environmental Measurements

Analysis of soils for metals and other elements is essential in assessing environmental compliance and the impacts of potentially toxic elements on human

Classification Methods for the NIST Biorepository

We aim to identify chemometric fingerprints using artificial intelligence methods that reflect the temporal and geographic history of seabirds, and by extension

Development of Standards for the World Meteorological Organization, Global Atmosphere Watch Program

The presence of volatile organic compounds (VOCs), which include hydrocarbons, monoterpenes and oxygenates, in the atmosphere has become important to climate

Differential absorption LIDAR for the detection and quantification of greenhouse gases

We are developing a method for accurately quantifying greenhouse gas emissions from natural and anthropogenic sources and sinks to meet the requirements for

Electron Ionization Library Component of the NIST/EPA/NIH Mass Spectral Library and NIST GC Retention Index Database

The National Institute of Standards and Technology (NIST) has developed and maintains evaluated libraries of reference data for the identification of chemicals

Establishing Measurement Traceability for Gaseous Mercury Emissions Monitoring

As a result of the environmental impact of mercury and the neurotoxic risk associated with trophic transfer of methyl mercury to humans, the reduction of

Fiber Sources and Applications

Optical frequency combs convert a laser source containing a single frequency of light into pulses that include thousands of frequencies. This project aims to

Field Parameter Metrology

Consider the consequences if nearby electronics could interfere with a jet's instruments or cause an automobile to stall. The Field Parameter Metrology Program

Flammability Metrics for New Low-GWP Refrigerants

In response to worldwide initiatives to phase down working fluids that have a high global warming potential if accidentally released, the refrigeration and air

Fluid Phase Nuclear Magnetic Resonance (NMR) Spectroscopy

NMR spectroscopy is routinely used to analyze chemical mixtures in the liquid phase. It is far less common for these techniques to be applied to vapor-phase

Fundamental Guided Wave Metrology

Radio-frequency (RF) waves and microwaves are involved with almost every facet of everyday life. Radio stations, television, wireless devices, satellite

HML Organic Chemical Metrology Program Areas

The Organic Chemical Metrology Program exists within the Chemical Sciences Division, MML, which is located at the Hollings Marine Laboratory in Charleston, SC.

Interlaboratory Comparison Exercises for Organic Contaminants and Trace Elements in Marine Sediments and Tissues

Three separate interlaboratory comparison exercises for environmental contaminants in marine specimens were administered in 2007/2008 by the Chemical Sciences

Lunar Spectral Irradiance (LUSI)

LUnar Spectral Irradiance (LUSI) is a program to radiometrically characterize the Moon for use as an on-orbit reference standard suitable for satellite

Marine Environmental Metabolomics

NIST is developing NMR-based metabolomics for use as a tool to expand research on the impacts of environmental stressors on marine organisms. The novel biology

S Mutans SEM image, in the process of forming complex networks.

Measurements for Microbial Ecology

Because of the complexity of microbial communities, we are working to develop measurements that will enable more reproducible design and control over of such

Measurements and Standards for Contaminants in Environmental Samples

For the past 40 years NIST has developed SRMs for the determination of inorganic and organic contaminants in environmental matrices such as sediments/soils

Methods and Measurements of Nanoparticle Distribution in the Natural Environment

Given the substantial differences between nanoparticles (NPs) and typical organic and inorganic environmental contaminants, new methods and analytical

Microcryocooler for Terahertz Detectors

NIST and the University of Colorado have been funded since April, 2006, by DARPA to develop a microcryocooler with a volume less than about 4 cm3 to cool a

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