U.S. flagAn official website of the United States government
                    Here's how you know **Official websites use .gov**
                            
                            A **.gov** website belongs to an official government organization in the United States.
 **Secure .gov websites use HTTPS**
                            
                            A **lock** (                            
                              A locked padlock                                                      
                            
                            ) or **https://** means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.


Menu Agricultural Research Service
						
                    U.S. DEPARTMENT OF AGRICULTURE
 Methods and Application of Food Composition Laboratory: Beltsville, MD
 close



    Research

                    Research Projects
                                    Publications
                                    Collaborations
                                    News
                People

                    Staff Listing
                                    Careers


        


                    About MAFCLSearch small
                    Search
            
            ARS Home
                                About ARS
                                Contact Us




ARS Home Northeast Area Beltsville, Maryland (BHNRC) Beltsville Human Nutrition Research Center Methods and Application of Food Composition Laboratory People & Locations







Robert  Goldschmidt
                        Methods and Application of Food Composition Laboratory

                        




                        
                        Chemist
                        Phone: (301) 504-9370
                         ext. 226
                        
                        Fax: (301) 504-8314(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            **Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Three-dimensional liquid chromatography with parallel second dimensions and quadruple parallel mass spectrometry for infant formula
                                                        

- (Peer Reviewed Journal)Byrdwell, W.C., Hari, K.K., Goldschmidt, R.J., Jakubec, P., Novakova, L. 2022. Three-dimensional liquid chromatography with parallel second dimensions and quadruple parallel mass spectrometry for infant formula. Journal of Chromatography. 1661:462682. https://doi.org/10.1016/j.chroma.2021.462682.GC-MS and GC-FID of seven seed oils containing conjugated fatty acids
                                                        

- (Peer Reviewed Journal)Goldschmidt, R.J., Byrdwell, W.C. 2021. GC-MS and GC-FID of seven seed oils containing conjugated fatty acids. Journal of Chromatographic Science. 43:259–273.. https://doi.org/10.3390/separations8040051.Changes in Compositions of Galactolipids, Triacylglycerols, and Tocopherols of Lettuce Varieties (Lactuca sativa L.) with Type, Age, and Light Source
                                                        

- (Peer Reviewed Journal)Byrdwell, W.C., Kubzdela,  ., Goldschmidt, R.J. 2020. Changes in Compositions of Galactolipids, Triacylglycerols, and Tocopherols of Lettuce Varieties (Lactuca sativa L.) with Type, Age, and Light Source. Journal of Agricultural and Food Chemistry. 4:242-248. https://doi.org/10.1016/j.jfca.2020.103631.Simultaneous determination of water-soluble vitamins in SRM 1849 Infant/Adult Nutritional Formula powder by liquid chromatography–isotope dilution mass spectrometry

- (Peer Reviewed Journal)Goldschmidt, R.J., Wolf, W.R. 2010. Simultaneous determination of water-soluble vitamins in SRM 1849 Infant/Adult Nutritional Formula powder by liquid chromatography–isotope dilution mass spectrometry. Analytical and Bioanalytical Chemistry. 397(2):471-481.Certificate of Analysis, Standard Reference Material® 1849, Infant/Adult Nutritional Formula

- (Other)Wolf, W.R., Byrdwell, W.C., Chen, P., Goldschmidt, R.J., Atkinson, R.L. 2009. Certificate of Analysis, Standard Reference Material® 1849, Infant/Adult Nutritional Formula. Available NIST Website: https://www-s.nist.gov/srmors/view_detail.cfm?srm=1849.Simultaneous Determination of Water-Soluble Vitamins in Dietary Supplements and Fortified Foods by LC-UV/Fluorescence and LC-MS

- (Abstract Only)Wolf, W.R., Goldschmidt, R.J., Atkinson, R.L. 2008. Simultaneous Determination of Water-Soluble Vitamins in Dietary Supplements and Fortified Foods by LC-UV/Fluorescence and LC-MS. 122nd AOAC Annual Meeting and Exposition, September 21-24, 2008, Dallas, TX.Simultaneous Determination of Water Soluble Vitamins in Dietary Supplements and Fortified Foods by LC-MS

- (Abstract Only)Wolf, W.R., Goldschmidt, R.J., Chen, P. 2008. Simultaneous Determination of Water Soluble Vitamins in Dietary Supplements and Fortified Foods by LC-MS.Midwest Section of AOAC International, 2008 Annual Meeting, June 9-11 2008, Bozeman, MT.Simultaneous Determination of Several Water-Soluble Vitamins in Dietary Supplements and Fortified Breakfast Cereals by LC-UV and LC-MS

- (Abstract Only)Goldschmidt, R.J., Atkinson, R.L., Wolf, W.R. 2008. Simultaneous determination of several water-soluble vitamins in dietary supplements and fortified breakfast cereals by LC-UV and LC-MS. PittCon Conference and Exposition, March 3-7, 2008, New Orleans, LA.Total selenium and selenomethionine in pharmaceutical yeast tablets: Assessment of the state-of-the-art of measurement capabilities through international intercomparison study CCQM-P86

- (Peer Reviewed Journal)Goenaga-Infanate, H., Sturgeon, R., Turner, J., Hearn, R., Sargent, M., Maxwell, P., Yang, L., Barzev, A., Pedrero, Z., Camara, C., Huerta, D., Fernandez Sanchez, M., Sanzmedel, A., Emese, K., Fodor, P., Wolf, W.R., Goldschmidt, R.J., Vacchina, V. 2008. Total selenium and selenomethionine in pharmaceutical yeast tablets: Assessment of the state-of-the-art of measurement capabilities through international intercomparison study CCQM-P86. Analytical and Bioanalytical Chemistry. 390:629-642.DETERMINATION OF NIACIN IN FOOD MATERIALS BY ISOTOPE DILUTION MASS SPECTROMETRY

- (Peer Reviewed Journal)Goldschmidt, R.J., Wolf, W.R. 2007. Determination of niacin in food materials by isotope dilution mass spectrometry. Journal of Association of Official Analytical Chemists International. 90(4):1080-1089.UPDATED ESTIMATES OF THE SELENOMETHIONINE CONTENTS OF NIST WHEAT REFERENCE MATERIALS BY GC-IDMS

- (Peer Reviewed Journal)Wolf, W.R., Goldschmidt, R.J. 2007. Updated estimates of the selenomethionine contents of nist wheat reference materials by gc-idms. Analytical and Bioanalytical Chemistry. 38:2449-2452.Measurement of Niacin in a Variety of Food Samples by High Performance Liquid Chromatography-Stable Isotope Dilution Mass Spectrometry  (Experimental Biology, April, 2007, Washington, D.C.)

- (Abstract Only)Goldschmidt, R.J., Wolf, W.R. 2007. Measurement of Niacin in a Variety of Food Samples by High Performance Liquid Chromatography-Stable Isotope Dilution Mass Spectrometry. Experimental Biology, April 25, 2007, Washington, D.C.Measurement of Niacin in a Variety of Food Samples by High Performance Liquid Chromatography-Stable Isotope Dilution Mass Spectrometry  (AOAC Annual Meeting, Minneapolis, MN, Sept. 2006)

- (Abstract Only)Wolf, W.R., Goldschmidt, R.J. 2006. Measurement of Niacin in a Variety of Food Samples by High Performance Liquid Chromatography-Stable Isotope Dilution Mass Spectrometry. AOAC Annual Meeting, September 15, 2007, Minneapolis, Minnesota.CERTIFICATION OF A NEW SELENIZED YEAST REFERENCE MATERIAL (SELM-1) FOR METHIONINE, SELENOMETHINONE AND TOTAL SELENIUM CONTENT AND ITS USE IN AN INTERCOMPARISON EXERCISE FOR QUANTIFYING OF THESE ANALYTES

- (Peer Reviewed Journal)Mester, Z., Willie, S., Sturgeon, R., Caruso, J.A., Fernandez, M., Fodor, P., Goldschmidt, R.J., Goenaga-Infante, H., Lobindki, R., Wolf, W.R. 2006. Certification of a new selenized yeast reference material (selm-1) for methionine, selenomethinone and total selenium content and its use in an intercomparison exercise for quantifying of these analytes. Analytical and Bioanalytical Chemistry. 385(1):168-180.MEASUREMENT OF SELENOMETHIONINE BY REACTION WITH CYANOGEN BROMIDE AND GAS-CHROMATOGRAPHY-ISOTOPE DILUTION MASS SPECTROMETRY: COMPARISON OF TWO SAMPLE TREATMENTS  (PITTCON, 2005, ORLANDO, FL

- (Abstract Only)Wolf, W.R., Goldschmidt, R.J. 2005. Measurement of selenomethionine by reaction with cyanogen bromide and gas-chromatography-isotope dilution mass spectrometry: comparison of two sample treatments. In: Pittcon, March 2005, Orlando, Florida.DETERMINATION OF SELENOMETHIONINE IN YEAST USING CNBR DERIVATIZATION AND SPECIES SPECIFIC ISOTOPE DILUTION GC ICP-MS AND GC-MS

- (Peer Reviewed Journal)Yang, L., Sturgeon, R.E., Mester, Z., Wolf, W.R., Goldschmidt, R.J. 2004. Determination of selenomethionine in yeast using CNBR derivatization and species specific isotope dilution GC ICP-MS and GC-MS. Journal of Analytical Atomic Spectrometry.  19:1448-1453.SELENOMETHIONINE CONTENTS OF NIST WHEAT REFERENCE MATERIALS

- (Peer Reviewed Journal)Wolf, W.R., Goldschmidt, R.J. 2004. Selenomethionine contents of nist wheat reference materials. Analytical and Bioanalytical Chemistry. 378(5):1175-1181.


Return to top


Connect with ARS Sign up


ARS Home
                            USDA.gov
                            Plain Writing
                            Policies & Links
                            Civil Rights Statements
                            FOIA
                            Accessibility Statement
                            Privacy Policy
                            Non-Discrimination Statement
                            Quality of Information
                            USA.gov
                            WhiteHouse.gov