NIST logo
NIST Home > Chemistry Programs and Projects 
 

Chemistry Programs & Projects

(showing 16 - 30 of 336)
Evaluation of Independent High-Precision Assay Procedures for a High-Purity Primary Standard Reagent
Last Updated Date: 05/18/2015

NIST assigns assay values for a suite of high-purity reagents using two techniques: coulometry and titrimetry. Coulometry is based on Faraday's … more

Standard Solution SRMs Provide Traceability for Millions of Measurements
Last Updated Date: 05/18/2015

For decades, NIST has provided the SRM 3100 series single-element standard solutions. The certified values are traceable to the International … more

Marine Environmental Metabolomics
Last Updated Date: 05/18/2015

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

ANSI N42.42 Standard
Last Updated Date: 05/14/2015

The purpose of the N42 data format is to facilitate manufacturer-independent transfer of information from radiation measurement instruments for … more

Pressure
Last Updated Date: 05/04/2015

 The NIST Thermodynamic Metrology Group (TMG) provides critical research into pressure measurement capabilities improving uncertainties in user … more

Biomagnetic Imaging Standards and Microsystems
Last Updated Date: 04/24/2015

The Magnetics Group's program in biomagnetic imaging standards and microsystems develops calibration standards and new types of magnetic contrast … more

Quantum Dot coated CMOS CID arrays for the UV and VUV
Last Updated Date: 04/23/2015

A technique has been developed for coating commercial off the shelf (COTS) detector arrays with a thin, uniform layer of quantum dots. The quantum … more

Geostationary Operations Environment Satellite R-Series Program (GOES-R) Extreme UV/X-ray Irradiance Sensor (EXIS) Calibration
Last Updated Date: 04/23/2015

Calibrations of the The Extreme ultraviolet/X-ray Irradiance Sensor (EXIS), which will be installed on the Geostationary Operations Environment … more

Use of a laser-driven plasma source in ultraviolet-detector calibrations
Last Updated Date: 04/22/2015

The National Institute of Standards and Technology operates two spectral comparator facilities, both of which are used to provide detector … more

NIST Standard Reference Simulation Website
Last Updated Date: 04/15/2015

The Standard Reference Simulation Website is an ongoing project whose aim is to provide well-documented simulation results for a variety of … more

Gas properties for flow metering
Last Updated Date: 04/10/2015

Flow meters that rely on measuring the pressure drop across a laminar flow element can be accurately calibrated using a benign surrogate gas (such … more

Absolute Ag108 Characterization Based on Gamma-Gamma Coincident Detection by Two Nai (TI) Detectors
Last Updated Date: 04/02/2015

A two-dimensional analysis of three coincident gamma-rays in 108 Ag m decay, detected by two NaI(Tl) scintillation detectors, allows a direct … more

Applications of Diagnostic X-ray Spectrometers
Last Updated Date: 04/02/2015

The Dosimetry Group designs, fabricates, and calibrates bent-crystal optics and diagnostic spectrometers for customers around the world. more

Physical Properties of Liquid Precursors
Last Updated Date: 04/02/2015

In striving to adhere to Moore's Law, the semiconductor industry is designing and using new metal-organic compounds. Precursor compounds deliver a … more

High-Stability Transfer Standard for the Barometric Pressure Range of 100 Pa to 130 kPa
Last Updated Date: 04/02/2015

NIST has developed a new pressure transfer standard capable of absolute-mode and differential-mode operation in the range of 100 Pa to 130 kPa. … more

Contact
General Information:
301-975-NIST (6478)
inquiries@nist.gov

100 Bureau Drive, Stop 1070
Gaithersburg, MD 20899-1070