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Simultaneous determination of acetaminophen and tramadol by second derivative spectrophotometry
(SOC CHILENA QUIMICA, 2008)
Simultaneous determination of atrazine and sodium diclofenac in natural water by spectrophotometric approaches
(SOCIEDAD CHILENA DE QUÍMICA, 2014)
Simultaneous determination of ascorbic acid and acetylsalicylic acid in pharmaceutical formulations
(AOAC INTERNATIONAL, 2001)