Simultaneous Determination of Caffeine, 8-Chlorotheophylline, and Chlorphenoxamine Hydrochloride in Ternary Mixtures by Ratio-Spectra Zero-Crossing First-Derivative Spectrophotometric and Chemometric Methods

Author： Kelani Khadiga M.  

Publisher： AOAC International

ISSN： 1944-7922

Source： Journal of AOAC International, Vol.88, Iss.4, 2005-07, pp. : 1126-1134

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