… to increase both the stability and selectivity of its complex toward ions including copper,
nickel, cobalt and lead ion over other metal ions, especially alkali and alkaline earth cations. It is …

… Ahmadi, Simultaneous preconcentration and determination of copper, nickel, cobalt and
lead ions content by flame atomic absorption spectrometry, Fresenius Environ. Bull., 14, 1158-…

… Simultaneous analysis of different minerals in food or … used for the simultaneous determination
of these ions in different … However, the simultaneous determination of these ions by the …

… better sorbent in simultaneous sorption of Co, Ni and Cu. The … earth ions were presented
in Table 2 display that these ions … precise determination of Co 2+ Ni 2+ and Cu 2+ ion content …

… The accuracy of the proposed method was tested by determining the content of analyte ions
… Simultaneous on-line preconcentration and determination of trace metals in environmental …

… simultaneous separation and preconcentration of trace amounts of Cu(II), Ni(II), Co(II) and
Mn(II) ions … , consisting of preconcentration of Cu(II), Ni(II), Co(II) and Mn(II) followed by FAAS …

… After the ion preconcentration process, the enriched solution was detected by ultraviolet
and visible spectrophotometer (UV–Vis). Then, the concentration of heavy metal …

… simultaneous pre-concentration and separation of heavy metal ions (Cd 2+ , Co 2+ , Ni 2+ ,
Pb 2+ , Zn 2+ , and Cu 2+ ion) … these metal ions and complex contents of the matrices. Hence, …

… This paper reports the simultaneous preconcentration of lead, copper and cobalt ions after …
Tap water, spring water, and seawater were analyzed to assess their content in Cu, Pb and Co…

… results of cobalt(II), nickel(II), and copper(II) found contents in … the chelating agent in
the CPE have Cd ( ), Pb ( ), Hg ( ), Cr ( )… , nickel and copper ions in water samples using 5-Br-PADAP …