H. Umagat

Total amino acid analysis using pre-column fluorescence derivatization

P. Kucera, L. Wen, H. Umagat, 1982 .

Stability-indicating sulfa drug analysis using high-performance liquid chromatography.

P. Mcgarry, R. Tscherne, H. Umagat, 1979, Journal of pharmaceutical sciences.

Chapter 5 Chemical Derivatization Techniques using Microcolumns

P. Kucera, H. Umagat, 1984 .

Design of a post-column fluorescence derivatization system for use with microbore columns

P. Kucera, H. Umagat, 1983 .

Limit test for determination of free ferricyanide and ferrocyanide in sodium nitroferricyanide.

H. Umagat, R. Hagel, C. Philip, 1978, Journal of pharmaceutical sciences.