LC method for the analysis of acetylsalicylic acid, caffeine and codeine phosphate in pharmaceutical preparations

Martindale. The extra pharmacopoeia

Comparative Biochemistry and Physiology Part A Physiology · 1984 · 406 citations

Pharmacy, Pharmacology, Pharmacy Practice +2

HPLC determination of catechins and caffeine in tea. Differentiation of green, black and instant teas

Antonio G. González · The Analyst · 2000 · 184 citations

Pharmacy, Chemistry, Pharmaceutical Analysis +17

Application of two- and three-way chemometric methods in the study of acetylsalicylic acid and ascorbic acid mixtures using ultraviolet spectrophotometry

Marcelo M. Sena, Julio Cesar B. Fernandes, Laércio Rover et al. · Analytica Chimica Acta · 2000 · 77 citations

Natural Sciences, Biochemistry, Chemistry +7

A comparative study of the ratio spectra derivative spectrophotometry, Vierordt’s method and high-performance liquid chromatography applied to the simultaneous analysis of caffeine and paracetamol in tablets

Journal of Pharmaceutical and Biomedical Analysis · 1999 · 54 citations

Pharmacy, Pharmaceutical Analysis, Pharmaceutics +13

The Effect of Selected Direct Compression Excipients on the Stability of Aspirin as a Model Hydrolyzable Drug

Nagin K. Patel, Indravadan Patel, Anthony J. Cutie et al. · Drug Development and Industrial Pharmacy · 1988 · 46 citations

Pharmacy, Pharmaceutics, Pharmacology +16