Boudjouada, M., Salhi, R., Bekhbekh, S., Kabouche, A., & Gherraf, N. (2016). Spectrophotometric Determination of Chromium, Copper, Nickel and Iron in Electroplating Hydroxide Sludges. Asian Journal of Chemistry, 28(5), 1079–1083. https://doi.org/10.14233/ajchem.2016.19590