Determination of captopril in pharmaceutical tablets by anion-exchange HPLC using indirect photometric detection; a study in systematic method development

Some New Three Level Designs for the Study of Quantitative Variables

G. E. P. Box, D. W. Behnken · Technometrics · 1960 · 677 citations

Public Health, Mathematics, Experimental Design +5

Trace analyses for wastewaters

John A. Glaser, Denis L. Foerst, Gerald D. McKee et al. · Environmental Science & Technology · 1981 · 447 citations

Natural Sciences, Environmental Engineering, Environmental Sciences +17

Indirect photometric chromatography

Hamish Small, Theodore E. Miller · Analytical Chemistry · 1982 · 427 citations

Natural Sciences, Chemistry, Analytical Chemistry +7

HPLC determination of thiol drugs in pharmaceutical formulations using ethacrynic acid as a precolumn ultraviolet derivatization reagent

Vanni Cavrini, Rita Gatti, A. M. DiPietra et al. · Chromatographia · 1987 · 39 citations

Pharmacy, Pharmaceutical Analysis, Pharmaceutics +14

New spectrophotometric methods for determination of captopril bulk drug and tablets

Hassan F. Askal · Talanta · 1991 · 33 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +12