Direct and Derivative Spectrophotometric Determination of Zinc with 2,4-Dihydroxybenzaldehyde Isonicotinoyl Hydrazone in Potable Water and Pharmaceutical Samples

Author： Sivaramaiah S.   Raveendra Reddy P.  

Publisher： MAIK Nauka/Interperiodica

ISSN： 1061-9348

Source： Journal of Analytical Chemistry, Vol.60, Iss.9, 2005-09, pp. : 828-832

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