Richard A. Niemann

Statistics

Publications

Citations

412

H-Index

Active since

1981

Affiliations

Center for Food Safety and Applied Nutrition(Current)

United States Food and Drug Administration

Richard A. Niemann is an author at Center for Food Safety and Applied Nutrition specializing in analytical chemistry, analytical chromatography, and chromatography.

Publications per year

1981–2008

Publications

Determination of Perchlorate Anion in Foods by Ion Chromatography−Tandem Mass Spectrometry

Alexander J. Krynitsky, Richard A. Niemann, David A. Nortrup · Analytical Chemistry · 2004 · 118 citations

Agriculture, Chemistry, Food Science +17

Determination of Ephedrine Alkaloids and Synephrine in Dietary Supplements by Column-Switching Cation Exchange High-Performance Liquid Chromatography with Scanning-Wavelength Ultraviolet and Fluorescence Detection

Richard A. Niemann, Martha L. Gay · Journal of Agricultural and Food Chemistry · 2003 · 69 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +17

Determination of iodide and thiocyanate in powdered milk and infant formula by on-line enrichment ion chromatography with photodiode array detection

Richard A. Niemann, David L. Anderson · Journal of Chromatography A · 2008 · 51 citations

Agriculture, Chemistry, Food Science +14

Streamlined sample preparation procedure for determination of perchlorate anion in foods by ion chromatography–tandem mass spectrometry

Alexander J. Krynitsky, Richard A. Niemann, Anthony D. Williams et al. · Analytica Chimica Acta · 2006 · 43 citations

Natural Sciences, Chemistry, Food Science +14

An Isotopically Labeled Internal Standard Liquid Chromatography−Tandem Mass Spectrometry Method for Determination of Ephedrine Alkaloids and Synephrine in Dietary Supplements

Martha L. Gay, Richard A. Niemann, Steven M. Musser · Journal of Agricultural and Food Chemistry · 2005 · 41 citations

Pharmacy, Pharmaceutical Analysis, Pharmaceutics +17

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