D.P. Wittmer

Simultaneous analysis of tartrazine and its intermediates by reversed phase liquid chromatography

D.P. Wittmer, Noel O. Nuessle, W.G. Haney · Analytical Chemistry · 1975 · 170 citations

Engineering, Chemical Analysis, Altmetric Attention Score +16

High-pressure liquid chromatographic determination of ascorbic acid in selected foods and multivitamin products

Sangita Sood, L. E. Sartori, D.P. Wittmer et al. · Analytical Chemistry · 1976 · 132 citations

Food Chemistry, Nutrition, Ascorbic Acid +12

Simultaneous analysis of hydrocortisone and hydrocortisone phosphate by high‐pressure liquid chromatography: Reversed‐phase, ion‐pairing approach

J. A. Korpi, D.P. Wittmer, Beverly J. Sandmann et al. · Journal of Pharmaceutical Sciences · 1976 · 36 citations

Biochemistry, Medicine, Simultaneous Analysis +7

Characterization of selected fluorescamine-amino acid reaction products by high-performance liquid chromatography

W. C. JUN. MCHUGH, Robert A. Sandmann, W.G. Haney et al. · Journal of Chromatography A · 1976 · 28 citations

Engineering, Biochemistry, Gas Chromatography +9

Simultaneous High‐Pressure Liquid Chromatographic Determination of Niacin and Niacinamide in Multivitamin Preparations: Reversed‐Phase, Ion‐Pairing Approach

Shilpa Sood, D.P. Wittmer, Saad A. Ismaiel et al. · Journal of Pharmaceutical Sciences · 1977 · 20 citations

Medicine, Multivitamin Preparations, Ion‐pairing Approach +7