Colorimetric determination of catecholam
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Nawal A. El-Rabbat; Nabil M. Omar
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Article
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1978
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John Wiley and Sons
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English
โ 368 KB
A convenient spectrophotometric method was developed for the determination of epinephrine, levarterenol, isoproterenol, and methyldopa by reduction of 2,3,5-triphenyltetrazolium chloride and subsequent measurement of the formazan at 485 nm. With absolute alcohol as the solvent, maximum color absorpt