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Chemical Engineering & Processing Programs & Projects

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Hybrid Humidity Generator
Last Updated Date: 08/28/2015

NIST's new primary standard humidity generator, the Hybrid Humidity Generator (HHG), replaces the NIST 2-Pressure Humidity Generator, Mark 2 … more

Far-infrared Spectroscopy of Biomolecules
Last Updated Date: 08/10/2015

Far-infrared (or terahertz/THz, ca. 25 to 300 micron wavelength) femtosecond pulsed laser and Fourier-transform infrared methods are employed to … more

In Situ Characterization of Nanoscale Gas-Solid Interactions by TEM
Last Updated Date: 07/24/2015

Observing and measuring the dynamic changes that take place at the nanometer scale during the synthesis and operation of active nanostructures is … more

Understanding Flow Meters
Last Updated Date: 07/09/2015

Accurate flow measurements are needed for test fluids, temperatures, pressures, flows, and installation conditions that differ from those used … more

Smoke Stack Simulator
Last Updated Date: 07/08/2015

Today, inconsistencies between measured CO 2 emissions and emissions calculated from coal consumption are on the order of 10% to 20%. Either a … more

Acoustic Techniques in Fluid Metrology
Last Updated Date: 06/10/2015

The Fluid Metrology Group leads the world in designing and using gas-filled acoustic resonators for measuring the thermodynamic temperature T , … more

Transient Flow Facility
Last Updated Date: 06/10/2015

Today, demonstration vehicles are refueled with hydrogen from dispensers within 3 to 5 minutes using sequential gas releases from a bank 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

Theoretical Mass Spectrometry
Last Updated Date: 03/18/2015

Mass spectrometry is an important technique in analytical chemistry, essential in areas including drug development, criminal and agricultural … more

NIST Chemistry Webbook
Last Updated Date: 02/03/2015

The NIST Chemistry WebBook is a site on the Internet ( http://webbook.nist.gov/ ) that provides convenient access to a variety of physical and … more

Microcryocooler for Terahertz Detectors
Last Updated Date: 01/28/2015

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 cm 3 … more

Low Temperature Regenerator and Pulse Tube Losses
Last Updated Date: 01/28/2015

The Cryogenic Technologies Project has been funded by ONR since FY2005 to measure and model the losses in 4 K regenerators and pulse tubes. These … more

Microsystems for Harsh Environment Testing
Last Updated Date: 01/28/2015

Our goal is to develop and demonstrate a MEMS-based methodology for evaluating time-dependent mechanical properties of materials that undergo … more

Nanocalorimetry Measurements
Last Updated Date: 01/22/2015

To develop nanocalorimetry as a method for measuring heats of reaction of nanoscale samples with nanojoule sensitivity in order to detect … more

Crystallographic Databases
Last Updated Date: 01/22/2015

Components and devices used in a broad spectrum of technology sectors such as health care, communications, energy and electronics are manufactured … more

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