Determination of nickel (II) by flame atomic absorption spectrometry after on-line sorbent preconcentration using activated carbon loaded with pyrogallol red

A. A. Ensafi, T. Khayamian, H. Eatemadi, Determination of nickel (II) by flame atomic absorption spectrometry after on-line sorbent preconcentration using activated carbon loaded with pyrogallol red, Canadian J. Anal. Sci., & Spectroscopy, 49 (1), 37-42 (2004).