The role of acidity and organic modifiers in the methylxanthines determination: a HPLC experiment

[摘要] In this work a new experiment using HPLC is proposed in order to explore the role of acidity and the organic modifiers in the determination of methylxanthines in tea and coffee. Multivariate and univariate optimizations of the experimental conditions were used.

[学科分类] 化学（综合）

[关键词] methylxanthines;HPLC;caffeine.