Determination of ambroxol in an automated multi-pumping pulsed flow system

João L.M. Santos*, Arnaud Clausse, José L.F.C. Lima, M. L.M.F.S. Saraiva, António O.S. Rangel

*Autor correspondente para este trabalho

Resultado de pesquisarevisão de pares

9 Citações (Scopus)

Resumo

A new flow methodology exploiting the multi-pumping approach was developed for the spectrophotometric determination of ambroxol hydrochloride in pharmaceutical preparations. The flow manifold was implemented by using, exclusively, multiple solenoid-actuated micro-pumps, which acted simultaneously as sample insertion, solutions propelling and reagents commutation units. Linear calibration plots were obtained over an ambroxol concentration ranging from 10 to 200 mg 1 -1 (r.s.d. < 0.5%, n = 15) and a sampling rate of about 60 samples per hour (flow rate = 1.92 ml min -1 , sample volume = 80μl).

Idioma originalEnglish
Páginas (de-até)461-464
Número de páginas4
RevistaAnalytical Sciences
Volume21
Número de emissão4
DOIs
Estado da publicaçãoPublished - abr 2005

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