Spectrophotometric determination of copper with hydrochloric acid |
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| Authors: | Donald G. Davis Herbert M. Hershenson |
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| Affiliation: | Hall Laboratory of Chemistry, Wesleyan University, Middletown, Conn. U.S.A. |
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| Abstract: | A procedure is proposed whereby copper may be determined spectrophotometrically by means of the very near infrared absorption of its complex ion with hydrochloric acid. Only stannous and ferrous ions are serious interferences and they may be oxidized with nitric acid or with ammonium persulfate to avoid such interference. The method is simple and rapid and is capable of reasonably good precision and accuracy. |
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