Spectrophotometric Determination of Iron and Chromium in Cr-Electroplating Baths at the Helwan Engineering Industrial Company Using Pyrocatechol as Indicator

Author： Zayed M.A.   Barsoum B.N.   Hassan A.E.  

Publisher： Elsevier

ISSN： 0026-265X

Source： Microchemical Journal, Vol.54, Iss.1, 1996-07, pp. : 72-80

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