Analytical chemistry

News

Scientists Lay the Groundwork for a Reliable Marijuana Breathalyzer

July 05, 2017

One reason it is difficult to design a reliable marijuana breathalyzer is that delta-9 tetrahydrocannabinol (THC), the...

Woman uses gas analysis mass spectrometer at NBS for chemical analysis of gas or vapor mixtures

NIST Upgrades Widely Used Database of Molecular 'Fingerprints'

June 06, 2017

When scientists need to identify an unknown compound, they do what a police detective might do. They get fingerprints—...

Illustration of setup for separating nanoparticles from organisms

NIST Updates ‘Sweet’ 1950s Separation Method to Clean Nanoparticles from Organisms

January 26, 2017

Sometimes old-school methods provide the best ways of studying cutting-edge tech and its effects on the modern world...

New Arsenic Sensor Prize Challenge

December 14, 2016

The Bureau of Reclamation has launched phase one of the Arsenic Sensor Challenge . Arsenic in water can affect human...

Publications

Selenium protein identification and profiling by mass spectrometry: A tool to assess progression of cardiomyopathy in a whale model

December 01, 2017

Author(s):

Colleen E. Bryan Sallee, Steven J. Christopher, William C. Davis, Lisa E. Kilpatrick, Gregory D. Bossart, Wayne E. McFee, Terrance X. O'Brien

Non-ischemic cardiomyopathy is a leading cause of congestive heart failure and sudden cardiac death in humans and in some cases the etiology of cardiomyopathy...

Size-exclusion chromatography

July 07, 2017

Author(s):

Andre M. Striegel

Qualitative characterization of SRM 1597a Coal Tar for polycyclic aromatic hydrocarbons and methyl-substituted derivatives via normal-phase liquid chromatography and gas chromatography/mass spectrometry

June 29, 2017

Author(s):

Walter B. Wilson, Hugh Hayes, Lane C. Sander, Andres Campiglia, Stephen A. Wise

A normal-phase liquid chromatography (NPLC) fractionation procedure was developed for the characterization of a complex mixture of polycyclic aromatic...

Revisiting Shape Selectivity in Liquid Chromatography for Polycyclic Aromatic Hydrocarbons (PAHs) – Six-Ring and Seven-Ring Cata-condensed PAH Isomers of Molecular Mass 328 Da and 378 Da

June 28, 2017

Author(s):

Jorge O. Ona Ruales, Lane C. Sander, Walter B. Wilson, Stephen A. Wise

The relationship of reversed-phase liquid chromatography retention on a polymeric C18 stationary phase and the shape of polycyclic aromatic hydrocarbons (PAHs...

Projects & Programs

Structure-Property Relationships for High-Performance Materials

High-performance materials are used to protect wearers from injury due to ballistic and stab threats, as well as other potentially life-threatening incidents...

Advanced Ambient Mass Spectrometry, Secondary Ion Mass Spectrometry and Ion Mobility Spectrometry

Tutorials in Analytical Chemistry

The following videos and corresponding PowerPoint presentations are provided for training and education in chemical metrology. Each presentation provides an...

Biomaterials for Oral Health

Our goal is to enable the development and manufacturing of biomaterials for oral health moving forward in 21st century by providing critical measurement...

Software

JB95 Spectral fitting program

A graphical user interface program, JB95 , based on a Windows 95 © API platform has been written in the C programming language to aid in the analysis of...

mass and fragment calculator screen shot

NIST Mass and Fragment Calculator Software

The NIST Mass and Fragment Calculator is a program written in Visual Basic which calculates the mass of an input peptide or protein sequence along with m/z...

Simulated Chromatographic Data

The following information is provided as an aid in the validation of mathematical models used in quantitation with chromatographic data. This data may also be...

Analytical chemistry

News

Scientists Lay the Groundwork for a Reliable Marijuana Breathalyzer

NIST Upgrades Widely Used Database of Molecular 'Fingerprints'

NIST Updates ‘Sweet’ 1950s Separation Method to Clean Nanoparticles from Organisms

New Arsenic Sensor Prize Challenge

Publications

Selenium protein identification and profiling by mass spectrometry: A tool to assess progression of cardiomyopathy in a whale model

Size-exclusion chromatography

Qualitative characterization of SRM 1597a Coal Tar for polycyclic aromatic hydrocarbons and methyl-substituted derivatives via normal-phase liquid chromatography and gas chromatography/mass spectrometry

Revisiting Shape Selectivity in Liquid Chromatography for Polycyclic Aromatic Hydrocarbons (PAHs) – Six-Ring and Seven-Ring Cata-condensed PAH Isomers of Molecular Mass 328 Da and 378 Da

Projects & Programs

Structure-Property Relationships for High-Performance Materials

Advanced Ambient Mass Spectrometry, Secondary Ion Mass Spectrometry and Ion Mobility Spectrometry

Tutorials in Analytical Chemistry

Biomaterials for Oral Health

Software

JB95 Spectral fitting program

NIST Mass and Fragment Calculator Software

Simulated Chromatographic Data

Tools & Instruments

Milli X-Ray Fluorescence Spectrometer

Environmental Scanning Electron Microscope

Focused Ion Beam

Continuous-wave terahertz spectrometer