%0 Journal Article %T Simultaneous Determination of Pb(II), Cu(II) and Ni(II) with MEDTA by Ultraviolet and Visible Derivative Spectrophotometry %A J. M. Castro-Romero %A J. M. Fern¨¢ndez-Sol¨ªs %A M. C. Fern¨¢ndez-Feal %J Journal Information: ISSN: 2456-706X Frequency: Journal DOI: Peer-review model: Digital Archiving: (ISSN: 2456-706X) Disclaimer: %D 2018 %R 10.9734/CSJI/2018/40983 %X Reviewers: %U http://www.sciencedomain.org/abstract/24431